The Cenozoic was a time of most recent era, an era of mountain boulding .
we are living in this era . Fossil and rock records are recorded and preserved. Humans first appeared in the Cenozoic Era.The Cenozoic era goes from 5 million years ago to presentThe Cenozoic is the time of the adaptive radiation of the mammals, dramatic cooling of the Earth's climate resulting in the ice age and evolution of humans.During the Cenozoic era the Americas were drifting westward in response to the widening of the Atlantic Ocean.The collision of the American plates with the Pacific Plate gave rise to the San Andreas Fault system system in California and Mexico.The collision also gave rise to the mountains along the western margin of the Americas,This orogenic and volcanic activity resulted in the formation of a land bridge between the Americas and what is now Central America.To know more about Cenozoic era visit :
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Identify the reasons why orthodontic problems have arisen in recent homo sapiens.
Stresses placed on the bones influence bone size, shape, and density, while genes are principally responsible for tooth size, shape, and quantity.
Compared to bone size, tooth size is more genetically determined.Human food has recently gotten exceedingly simple to chew, making the upper and lower jaws less sturdy.This has led to a generally smaller face and smaller jaws, as well as a shorter and rounder cranial vault. The size of the bone that supports the teeth shrank more quickly than the teeth did. More orthodontic problems have arisen as a result, necessitating the artificial straightening of teeth.Learn more about the orthodontic problem with the help of the given link:
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The condition which is known to have been caused by brain damage that might be moderated or reversed is referred to as what type of vegetative state?
Persistent
The condition which is known to have been caused by brain damage that might be moderated or reversed is referred to as persistent type of vegetative state.
What is persistent vegetative state?A coma is a severe or profound condition of unconsciousness, often known as persistent vegetative state. Brain death does not occur in persistent vegetative state. A person who is unconscious yet still conscious is unable to move or react to their surroundings.What is considered to be a persistent vegetative state?According to our definition, a persistent vegetative state is one that develops one month after a traumatic or nontraumatic acute brain damage or that lasts for at least one month in patients with metabolic or degenerative diseases or congenital anomalies.What is the duration of persistent vegetative state?After three months, a persistent vegetative state in adults and children with nontraumatic injuries might be regarded as irreversible; recovery does happen, but it is uncommon and, at best, is accompanied by moderate or severe handicap.To learn more about persistent vegetative state visit:
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The part of a neuron that acts as a tiny antennae and conducts signals toward the axon of that cell is called the:________
Dendrites act as an antenna for conducting signals towards the axon of the neuron.
Neurons are also referred to as nerve cells. Parts of neurons are the axon, dendrites, cell body, cell membrane, synaptic knobs, and myelin sheath. Dendrites act as an antenna for conducting the signals toward the axon of the neuron. Dendrites are fibrous branch-like projects. New neurons are formed by the process called neurogenesis. There are a total of 86 billion neurons in our body.
There are two types of nerve cells- motor neurons and sensory neurons. Sensory neurons are also known as afferent neurons. They carry signals from the rest of the body to the control central brain or spinal cord. Motor neurons are also known as efferent neurons. They carry signals from the brain to the effect part.
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In _____linked glycoproteins, the sugar can be attached to the protein by a bond to lysine
In N-linked glycoproteins, the sugar can be attached to the protein by a bond to lysine.
N-linked protein glycosylation of proteins occurs in all three domains of life. The pathway at the periplasmic membrane of prokaryotes and the process at the ER membrane are considered to be homologous . The high conservation of the process across all domains of life makes it possible to identify the underlying principles of the pathway and to develop general concepts of N-linked protein glycosylation.
The assembly of an oligosaccharide on an isoprenoid lipid (bactoprenol in the bacterial systems and dolichol in archaea and eukaryotes) from nucleotide activated monosaccharides on the cytoplasmic side of the membrane by a set of specific glycosyltransferases and the subsequent translocation of the lipid-linked oligosaccharide is a unifying scheme in all systems.
In eukaryotes, the oligosaccharide is further extended by lumen-oriented glycosyltransferases, but these enzymes use dolichylphosphate-bound monosaccharides as substrates. The acceptors of the oligosaccharide are selected asparagine residues of polypeptide chains that have entered the periplasm or the lumen of the ER, respectively. Oligosaccharyltransferase, the central enzyme of the N-glycosylation pathway, catalyses the formation of an N-glycosidic linkage of the oligosaccharide to the side-chain amide of asparagine residues that are specified by the consensus sequence N-X-S/T.
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If there is an asymmetric charge distribution on a molecule creating a positively charged sector and a negatively charged sector, the type of molecule resulting would be ________.
If there is an asymmetric charge distribution on a molecule creating a positively charged sector and a negatively charged sector, the type of molecule resulting would be polar.
What is asymmetric charge distribution?Asymmetric charge distribution may be defined as a type of dissemination of charges between the molecules of compounds in an irregular pattern or at unequal frequencies.
The characteristic of polar molecules is that they occupy a charge on one side of the molecule. These molecules possess a region of partial charge. One side of these molecules is slightly positive and one side of the molecule is slightly negative.
Therefore, the polar molecules occupy an asymmetric charge distribution on a molecule creating a positively charged sector and a negatively charged sector.
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How would the absolute refractory period be affected if voltage-gated sodium channels remained inactivated?.
If voltage-gated sodium channels remained inactivated, the absolute refractory period would be more extensive than usual.
Voltage-gated sodium channels- Ion channels that are triggered by change in electrical membrane potential close to the channel are known as voltage-gated ion channels. The cell membrane potential modifies the channel proteins' shape, controlling how they open and close.
Cell membrane- All cells have a cell membrane, also known as a plasma membrane, which divides the inside of the cell from the external environment. A semipermeable lipid bilayer makes up the cell membrane. The cell membrane regulates the transport of materials entering and exiting the cell.
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In the event of a bee sting or similar unexpected occurrences, what are the safest, most appropriate steps to take?
Treatment for bee sting reactions:
The treatment for bee sting reaction will depend upon the severity of the allergic reaction:
Treating a mild to moderate reaction
Treating a severe reaction
Long-term treatment
Taking care of a mild to moderate reaction
Remove the stinger as quickly as you can after been stung by a bee, being careful not to squeeze the venom sac. To do this, one might want to utilize a set of tweezers. The amount of venom delivered into the bloodstream will be reduced by removing the stinger.To assist lessen itching and irritation, use a cold compress, apply steroid ointments, and take antihistamines.Within a few days, the symptoms ought to go away.-Treating a severe reaction
An immediate injection of epinephrine, which will assist to lessen the severity of the allergic reaction, is required for severe, systemic reactions. Additionally, oxygen and intravenous fluids may be given by doctors.A person should use an EpiPen (an injectable tool for epinephrine) right away if they have one. A severe allergic reaction's symptoms are momentarily reversed with epinephrine. An EpiPen should always be carried by someone with a serious allergy.Even if they have self-administered epinephrine, anyone exhibiting one or more anaphylactic symptoms should visit an emergency department as soon as they can.The patient should lay on their back with their feet elevated while they wait for the emergency services to arrive.Long-term treatment
Immunotherapy for desensitization is a therapy used to lessen a patient's sensitivity to specific allergens. Someone who has had a severe allergic reaction to bee stings, or has other risk factors, can undergo a variant of this treatment known as venom immunotherapy (VIT) (VIT).VIT entails a series of injections of progressively more potent bee venom. The immune system can get tolerant to the venom by gradually increasing the dose over the course of around three years.to learn more about bee sting reactions click below-
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Mitochondria are essentially the same in all eukaryotes, including plants, animals, and fungi. based on this observation, how were mitochondria most likely acquired?
Mitochondria are postulated to have been primarily acquired via endosymbiosis.
What is endosymbiosis?Endosymbiosis is a process in which the association of a symbiont within a host organism occurs, it had been postulated that the eukaryotic cell as it is known was due to the association of several organisms within oneself and that each of these contributed abilities differentiated within the cell, and this is how organelles such as mitochondria or chloroplasts were then obtained. This postulate is known as the endosymbiotic origin theory of eukaryotes.
Thanks to endosymbiosis, the eukaryotic cell as we know it can carry out processes such as cellular respiration or photosynthesis.
The reasons why it is believed that the mitochondria come from the process of endosymbiosis is that it has its own DNA that is different from the nuclear DNA, showing that it has a different origin from the rest of the cell and also that it has its own replication material, which is different from other cells.
Therefore, we can confirm that mitochondria are postulated to have been primarily acquired via endosymbiosis.
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Are torpedo grass a parasites?
Answer: yes
Explanation: Torpedo grass can be identified as a perennial grassy weed with creeping, sharply pointed rhizomes. Its stems are stiff and vertically growing, and its leaves are either folded or flat and hairy on upper surface. The ligule of this lawn weed has a fringe of hairs on its upper margin. It is rare for this grass-like weed to reproduce by seeds.
Single-celled organisms that cause a variety of diseases in animals, plants, and humans and may also produce extremely potent toxins inside the human body are?
Single-celled organisms that cause a variety of diseases in animals, plants, and humans and may also produce extremely potent toxins inside the human body are known as bacteria.
What are Diseases?Diseases may be defined as any circumstance that significantly involves harmful divergence from the normal structural or functional condition and state of an organism. It is generally associated with certain indications and symptoms and differs in nature from physical injury.
Bacteria are single-celled organisms that remarkably lack a well-defined nucleus and other membrane-bound cell organelles. These organisms are capable of inducing a variety of diseases in animals, plants, and humans and may also produce extremely potent toxins inside the human body.
Therefore, bacteria are single-celled organisms that cause a variety of diseases in animals, plants, and humans.
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Which type of skin glands are most affected by the hormonal changes that occur during puberty?
Apocrine sweat glands are most affected by the hormonal changes that occur during puberty.
What is puberty ?
Between childhood and adulthood, puberty is a time of rapid growth, the emergence of secondary sexual traits, the attainment of fertility, and significant psychological changes. Although the order in which pubertal changes occur is fairly predictable, their exact time varies greatly.
At puberty, sex hormones stimulate the apocrine sweat glands, which then begin to work. In the groin and axilla, they are linked to hair follicles. The thick, protein-rich substance has no smell at first but may acquire one after coming into contact with germs.
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Similar to the nucleus, chloroplasts and mitochondria are ______. select all that apply.
Similar to the nucleus, chloroplasts and mitochondria are surrounded by double membrane. i.e., Double membrane bounded cell organelle.
Cell Organelle- An organelle is a subcellular structure that, like an organ in the body, has one or more specialized tasks to carry out within the cell. The nucleus, which house genetic material, the mitochondria, which generate chemical energy, and the ribosomes, which put together proteins, are some of the most significant cell organelles.
Ribosome- The process of making proteins in a cell takes place at an intercellular structure called a ribosome, which is formed of both RNA and protein. The messenger RNA (mRNA) sequence is read by the ribosome, which then converts the genetic code into a specific string of amino acids.
The given question is incomplete, click on the below link for the complete question,
Q. Similar to the nucleus, chloroplasts and mitochondria are ______.
A) surrounded by two membranes
B) green
C) manufactured by the nucleolus
D) able to synthesize lipids
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Peaceful children elicit warmth from others whereas argumentative children provoke hostility from others. these experiences demonstrate ______________ genetic-environment relations.
Evocative
Peaceful children elicit warmth from others whereas argumentative children provoke hostility from others. these experiences demonstrate evocative genetic-environment relations.
What is evocative genetic-environment relations?Genotype-environment correlations known as evocative (or reactive) describe the relationship between a person's genetically determined behavior and other people's responses to that behavior.What connection exists between genes and the environment?According to science, how genes and environment interact affects how people develop. Research dispels the myth that genes are "cast in stone," demonstrating that early experiences can affect which genes are expressed, how they are expressed, and even whether they are expressed at all.Why is it crucial that genes and environments interact?In order to increase accuracy and precision in the evaluation of both genetic and environmental factors, it is crucial to examine how genes and the environment interact. Public health benefits from understanding gene-environment interactions are significant.To learn more about genetic-environment relation visit:
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Jalil drives from Philadelphia to Pittsburgh. What would be the most appropriate SI unit to use to measure the distance he traveled?
Group of answer choices
Millimeter
Kelvin
Kilogram
Kilometer
The most appropriate unit to measure the distance traveled is Kilometer.
The kilometer is a unit of measurement of length that derives from the meter and belongs to the International System of Units. The word "kilometer" results from the combination of the prefix kilo with the word meter, which is why one kilometer is equivalent to one thousand meters.
Kilometer
How is km measured?A kilometer is a unit of length or measurement used officially to express distances between geographic locations on land in most parts of the world. 1 km = 1000 m.
How to calculate distance in physics?V = v0 + a .The distance will be the result of the velocity multiplied by the time plus the acceleration multiplied by the time squared divided by two.
With this information, we can conclude that kilometer is a Unit of measurement of length that corresponds to one thousand meters.
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A hormone often measured in saliva by researchers as a biological marker of stress is called:____.
A hormone often measured in saliva by researchers as a biological marker of stress is called cortisol.
Cortisol is a steroid hormone that belongs to the glucocorticoid hormone class. It is known as hydrocortisone when taken as medicine. It is primarily produced by the zona fasciculata of the adrenal cortex in the adrenal gland in various mammals. It is produced in lesser amounts in other tissues. If you have an adrenal nodule (mass) or a pituitary tumor in your brain, your body may overproduce cortisol. Cushing syndrome is a condition that may result from this. It can cause diabetes, rapid weight gain, easily bruised skin, weak muscles, and a host of other health issues.
Stress causes a spike in cortisol levels, and cortisol has been proven to occasionally be linked to negative emotions.
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You are working on a phylogenetic tree for a particular group of organisms. Assume that you know that the ancestral species had the short dna sequence cgt aga tac. You have discovered two other similar species—one has cgt agt tac and the other has cct aga tac. How would you represent this in the construction of your phylogenetic tree?.
The ancestral population may have divided into two descendent species, which might be shown as a fork in the tree.
Ancestral population- Things that are ancestral have been there for so long that they were originally owned by our ancestors, the relatives who lived before our grandparents. Our great-grandparents' or great-great-former uncle's residence is known as our ancestral house.
Descendent species- An individual, race, species, or other entity that descends from or is related to an earlier form when referring to a human, animal, or plant.
A phylogenetic tree, sometimes called a phylogeny, is a diagram that shows the evolutionary branches from which various species, creatures, or genes have descended from one another.
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The term that means cancer in the early stage, before invading the surrounding tissue is:_______
According to the research, the correct option is Carcinoma in situ. The term that means cancer in the early stage, before invading the surrounding tissue is: Carcinoma in situ.
What is a carcinoma?It is a malignant neoplasm made up of anaplastic epithelial cells with metastatic capacity, being the early stage of cancer follow-up that should have a diagnosis of recurrence.
In this sense, in situ means that it is a cancer that has not metastasized to other parts of the body and, therefore, has not invaded nearby tissues.
Therefore, we can conclude that according to the research, the correct option is Carcinoma in situ. The term that means cancer in the early stage, before invading the surrounding tissue is: Carcinoma in situ.
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The repetition or ____ structure describes a process that may be repeated as long
The repetition or loop structure describes a process that may be repeated as long as a certain condition remains true.
What is loop structure?In a loop structure, the loop poses a question. If the response necessitates action, it is carried out. The same question is asked over and over until no more action is necessary. An iteration occurs each time the question is asked.
All sorts of loops share a common structure, such as:
The loop counter is a control variable.The control variable must be initialized, or given a value.The increment/decrement of the control variable, which is updated each time the loop iterates.The loop condition that controls whether the looping should continue or the program should break from it.To learn more about loop structure visit:
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The repetition or loop structure specifies a process that can be repeated indefinitely as long as a given condition is met.
What exactly is loop structure?The loop in a loop structure asks a query. If the response requires action, it is taken. The same question is asked over and over again until no more action is required. An iteration occurs each time the question is asked.
All loops have the same structure, such as:
A correction factor is the loop counter.The control variable must be initialized, which means it must be assigned a value.The control variable's increment/decrement, which is modified each time the loop iterates.The loop condition determines whether the looping should be continued or the program should exit it.To learn more about loop visit:
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Identify the statements that are true about the evolution of brain size in the genus homo.
The statement that is true about the evolution of brain size in the genus Homo is that the brain size has continuously increased from the early humans to the present day humans.
The genus Homo comprises of present day humans, the Homo sapiens and also the extinct species like Homo habilis, Homo erectus, Homo Neanderthalensis.
The first human like being was Homo habilis. They had a brain size of 650-800 centimeter cube(cc).
The next stage in human evolution is Homo erectus who had a brain size of 900 cc.
The third stage was Homo neandarthalensis. Their brain capacity was about 1400 cc.
The final stage in the human evolution is Homo sapiens, the present day humans with a brain capacity of around 1300-1400 cc.
As it is evident from the above statements, the brain size of the genus Homo has continuously increased from the early humans to the present day humans.
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The black-tailed prairie dog is a keystone species in Badlands National Park. "Their constant
cropping of vegetation stimulates faster and more nutritious growth, while their burrows
provide homes and hunting grounds for many organisms, large and small."
Why might the desert pocket mouse population decrease in this ecosystem if the black-
tailed prairie dog were removed?
O The desert pocket mouse would develop a mutualistic relationship with coyotes.
The desert poket mouse would lose its strategy for evading predators.
O The desert pocket mouse would be free to reproduce more.
O The desert pocket mouse would have more food to eat.
The black-tailed prairie dog is a keystone species in Badlands National Park. "Their constant cropping of vegetation stimulates faster and more nutritious growth, while their burrows provide homes and hunting grounds for many organisms, large and small."
The desert pocket mouse population might decrease in this ecosystem if the black-tailed prairie dog were removed because option three "the desert pocket mouse would lose its strategy for evading predators".
The burrows of black-tailed prairie dogs are used by many organisms including the desert pocket mouse as a strategy for evading predators and due to the removal of prairie dogs the pocket mouse will lose their evading strategy and will be more easily captured by the predators.
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Hich metabolic manifestations are likely to be observed in a client with hypothyroidism? select all that apply.
The metabolic symptoms seen in a hypothyroid client include cold intolerance and a drop in body temperature. The main symptom of hypothyroidism is impaired memory. The pulmonary symptom seen in the hypothyroid client is difficulty breathing. The cardiovascular symptom seen in a client with hypothyroidism is decreased blood pressure.
1 A weak memory Correct
2 Cold intolerance
3 Breathing issues
4 Drop in blood pressure
5 Reduced body temperature,
What is hypothyroidism?When you have hypothyroidism, your thyroid gland doesn't produce enough of a few critical b(underactive thyroid). Hypothyroidism may not initially manifest any overt symptoms. Infertility, obesity, joint pain, and heart disease are just a few health problems that untreated hypothyroidism can eventually result in.
Accurate thyroid function tests are available to diagnose hypothyroidism. Synthetic thyroid hormone therapy is often simple, safe, and effective after you and your doctor identify the right dosage for you.
Depending on how severe the hormone deficiency is, various hypothyroidism signs and symptoms may be present. Many times, problems develop slowly over several years. At initially, hypothyroidism symptoms like fatigue and weight gain could go unrecognized. Or you might simply accuse them of getting older.
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The metabolic manifestations are likely to be observed during a client with hypothyroidism--
Intolerance to cold
Decreased vital sign
Decreased blood heat
What does it mean if you've got hypothyroidism?
Hypothyroidism (under active thyroid) may be a condition in which your thyroid gland doesn't produce enough of certain crucial hormones.
What is the main cause of hypothyroidism?
Hypothyroidism means the thyroid gland can't make enough thyroid hormone to keep the body running normally. People are hypothyroid if they need too little thyroid hormone in the blood. Common causes are autoimmune disorder , like Hashimoto's thyroiditis, surgical removal of the thyroid, and radiation treatment.
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What type of microscope passes light through a transparent specimen to generate true-color views of cells?
A light microscope passes light through a transparent specimen.
What is a light microscope?
An optical device called a light microscope is used to observe objects that are too small for the human eye to see. It gets its name from the method of illuminating an object of interest with white or visible light so that it may be amplified and seen via one or more lenses.
By presenting a magnified image of how minute structures and samples interact with visible light, such as their absorption, reflection, and scattering, light microscopy is used to make them visible.
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After reviewing and analyzing Quintans experimental results, Janelle believe that his experiment contains errors which led to an incorrect conclusion which of the following explains what janelle can do to confirm her analysis of the experiment
She can replicate Quentin's experiment to see if she gets the same results to confirm her analysis of the experiment
What is analysis ?The analysis/goals discussion's are to clearly interpret the findings, examine what they might reveal about the issue in general, consider how your experimental design might have been improved, and consider what might come next in order to fully address the research topic.
Experimental data are statistically analysed to find errors and eliminate them. The errors are brought about by human error, such as a poor experimental design, or by measuring system flaws.Analyzing something involves dissecting it into its constituent elements in order to understand what each one does and how they work together.Learn more about Analysis here:
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Fiber is a polysaccharide that gives plants their structure, and the bonds that hold the fiber molecules together are difficult to digest by the human body. Fiber plays an important role in a healthy diet by promoting healthy passage of stool and by helping to prevent many digestive and chronic diseases. True or false?.
Answer:
True.
Explanation:
Fiber is essentially a form of carbonate that the body cannot digest. As opposed to other types of carbohydrates, they do not break down into sugar molecules. It plays a significant part in a balanced diet and supports in the management of the body's utilization of sugar by promoting the proper movement of stools, which, if left in the system, can lead to digestive as well as chronic disorders. Soluble fibre, in particular, decreases cholesterol and blood sugar levels, preventing diseases including obesity, diverticular disease, diabetes, or cancer.
Beans, lentils, whole grains, vegetables, and other foods all contain fibre. To maintain general health, take between 20 and 30 grams of it each day.
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Many critical nutrients in our food come in the form of biological macromolecules. what are macromolecules?
The four main biological macromolecules are lipids, proteins, nucleic acids, and carbohydrates. The term "macronutrient" particularly refers to the macromolecules that give the organism its nutritional energy.
What are biological macromolecules?Large, naturally occurring cellular components known as biological macromolecules perform a variety of vital tasks for the development and survival of living things. There are four significant categories of biological macromolecules: lipids, proteins, nucleic acids, and carbohydrates.
Proteins, nucleic acids, and polysaccharides are typical examples of macromolecules.
Macromolecules are enormous molecules that fill a cell and give it vital life-sustaining activities. Macromolecules, for instance, offer structural support, serve as a reservoir for stored energy, have the capacity to store and retrieve genetic information, and can speed up biological operations.
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A ___________ is an arrangement of chromosomes from a single cell arrangement in pairs in descending order according to size of the chromosomes and the positions of the centromeres.
A karyotype is an arrangement of chromosomes from a single cell arrangement in pairs in descending order according to the size of the chromosomes and the positions of the centromeres.
What are chromosomes?
Each cell's nucleus contains chromosomes, which are structures that resemble threads and contain the DNA molecule. Each chromosome is constructed from DNA that has been tightly wound around proteins called histones numerous times to support its structure.
When a cell is not dividing, chromosomes cannot be seen in the nucleus, not even under a microscope. However, during cell division, the DNA that makes up chromosomes gets more compactly packed and becomes visible under a microscope.
The centromere, a point of constriction on each chromosome, separates the chromosome into its two "arms." The "p arm" refers to the chromosome's short arm. The "q arm" refers to the long arm of the chromosome. Every chromosome has a centromere, which determines the chromosome.
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The main energy source for the oxygen system during exercise of 2 hours of length would be?
Adenosine Triphosphate main energy source for the oxygen system during exercise of 2 hours of length would be. Adenosine triphosphate (ATP) is the cellular energy source. ATP is a nucleoside triphosphate composed of a nitrogenous base, a ribose sugar, and three serially linked phosphate groups. ATP is an energy-carrying chemical found in all living creatures' cells.
When food molecules are broken down, ATP Adenosine creates chemical energy and uses it to fuel other cellular processes. In the mitochondria of a cell, the process of cellular respiration also results in the production of ATP. Anaerobic respiration, which doesn't require oxygen, or aerobic respiration, which does, are both options for doing this.
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Name the early-twentieth-century hypothesis that was at first rejected by geologists and the more comprehensive theory that later replaced it.
The concept of continental go with the flow that cause thoughts of sea ground spreading, then the concept of plate tectonics turned into born.
The essential cause that Wegener's speculation turned into now no longer prevalent turned into due to the fact he recommended no mechanism for transferring the continents. He idea the pressure of Earth's spin turned into enough to purpose continents to move, however geologists knew that rocks are too robust for this to be true.
Wegener used fossil proof to assist his continental go with the flow speculation. The fossils of those organisms are observed on lands which can be now a ways apart. Grooves and rock deposits left via way of means of historic glaciers are observed these days on special continents very near the equator.
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The leading cause of maternal death in the first trimester is internal hemorrhage into the abdomen following rupture of a(n) __________.
The leading cause of maternal death in the first trimester is internal hemorrhage into the abdomen following rupture of an ectopic pregnancy.
What is trimester?Trimester is defined as the period of three months and the whole period of pregnancy is divided in three trimesters such as first trimester, second trimester, and third trimester. The requirement of energy is different in different trimesters.
During the first trimester there is no need of extra calorie, during second trimester extra calorie is required and total amount is 340 calories per day suggested by doctor. In case of third trimester the requirement of calorie increases and 450 calories is required in a single day.
Therefore, The leading cause of maternal death in the first trimester is internal hemorrhage into the abdomen following rupture of an ectopic pregnancy.
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Pasteur observations that protozoa were related to the wilkworm disease strengthened his belief in the:_____
Pasteur observations that protozoa were related to the wilkworm disease strengthened his belief in the germ theory of disease. Protozoa (plural protozoa or protozoans) is an informal word for a group of single-celled eukaryotes that are either free-living or parasitic and feed on organic substances such as other microbes or organic tissues and waste.
Historically, protozoans were considered "one-celled animals" because they frequently exhibit animal disease like behaviors such as motility and predation and lack a cell wall, which plants and many algae do. When Georg Goldfuss introduced the taxon Protozoa in 1818, it was erected as a class inside the Animalia, with the word 'protozoa' meaning "first animals."
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