Living organism(s) composed of one or more cells with a distinct nucleus and cytoplasm are eukaryotes.
In the field of science, eukaryotes can be described as those kinds of organisms that have well-defined nucleus. On the other hand, prokaryotes are organisms that lack a membrane-bound nucleus.
A eukaryote can be single-celled or possess more than one cell. The genome of eukaryotes is present inside the nucleus of a cell. For prokaryotes, who lack a well-defined nucleus, the DNA is present inside the cytoplasm.
The eukaryotes have numerous kinds of organisms such as animals, plants, protists, etc.
The eukaryotes cell is properly organized with various organelles which play an active role in the maintenance of an organism. The cytoplasm is the fuid-like organelle in which all the other organelles of a cell float.
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Approximately what percentage of all osteopaths practice in primary care areas?
Approximately 65% percentage of all osteopaths practice in primary care areas.
The definition of osteopathyOsteopathic medicine is a system of medical care that emphasizes a holistic and all-encompassing approach to patient care and makes use of manipulating the musculoskeletal system in addition to other therapeutic techniques (such the use of medications or surgery) to prevent and treat disease.How does an osteopath practice?In order to aid the body in healing itself, an osteopath strives to return the joint's normal function and stability. They employ both mild and strong methods to treat your body with their hands in a variety of ways. Depending on the patient as a whole and the symptoms they have described, several techniques are selected.To learn more about osteopathy visit:
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What is the importance of the differences between prokaryotic and eukaryotic ribosomes with regard to antibiotic therapy?
Ribosomes are known as the site of protein synthesis. Prokaryotic ribosomes are smaller than eukaryotic ribosomes.
What is Antibiotic therapy?Antibiotic therapy may be defined as a type of technique through which antimicrobial substances like penicillin, streptomycin, chloramphenicol, tetracycline, etc. are activated against bacteria.
Antibiotics such as tetracycline, erythromycin, and streptomycin can specifically target bacterial ribosomes & not harm the host's eukaryotic ribosomes. This is because eukaryotic genes are not highly susceptible to antibiotic substances.
Therefore, the importance of the differences between prokaryotic and eukaryotic ribosomes with regard to antibiotic therapy is described.
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A geriatric patient is prescribed 20.0 mg/day for alzheimer's disease. memantine pills are available in 5.00 mg/capsule . how many capsules should the patient be taking?
The patient should take 4 tablets of memantine a day.
Patients of old age are referred to as geriatric patients.
Alzheimer's disease is a nervous system disorder. Most people in their late middle age or old age have Alzheimer's disease. It is characterized by mood swinging, confusion, impaired thinking, memory loss, and personality change. It can be caused due neurological factors such as acetylcholine and noradrenaline, infections, family history, head injury, and brain chemical imbalance. Medications for Alzheimer's disease are - donepezil, galantine, memantine, and anti-depressants.
Medication prescribed to the patient for Alzheimer's disease = 20 mg/day
Composition of memantine pills = 5 mg /capsule
The number of tablets of meantime the patient should take in a day is,
[tex] = \frac{20}{5} [/tex]
[tex] = 4 \: tablets[/tex]
Therefore, the patient should take 4 tablets of memantine a day.
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Most substances are able to undergo passive diffusion across the plasma membrane. True or false
The statement is false that most substances are able to undergo passive diffusion across the plasma membrane.
Passive diffusion is the movement of particles across the membrane from their region of higher concentration to lower concentration. This movement does not require any energy. The substances that can undergo passive diffusion are: gases like oxygen or carbon dioxide, ethanol, urea, etc.
Plasma membrane is the layer surrounding the outer surface of the cells. It is a bilayer of lipid. The functions of the membrane are: to protect the cell from outer environment and to regulate the traffic of substances crossing the membrane.
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5) which body system does each of the 3 germ layers give rise to?
Answer:
Germ layers - Groups of cells that form 3 distinct regions of the embryo & give rise to specialized cells and organs.
Ectoderm - Epidermis and nervous system
Mesoderm - Heart, kidney, gonads, bones and muscle.
Endoderm - Lungs and digestive system.
Explanation:
Cells in each germ layer differentiate into tissues and embryonic organs. The ectoderm gives rise to the nervous system and the epidermis, among other tissues. The mesoderm gives rise to the muscle cells and connective tissue in the body. The endoderm gives rise to the gut and many internal organs.
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Alex poured some pond water into three beakers. She then put waterweed into each beaker. She put the beakers in different places.
b. In the school pond there were lots of water lilies with large leaves covering the surface. There were not many plants growing below the surface. Suggest a reason for this.
(a) (i) Beaker A showed best growth of waterweed.
(ii) The change in color was due to absence of light which inhibited photosynthesis.
(b) Not many plants grew below the surface in the pond as the large leaves of water lilies covering the surface blocked the entry of light in the water.
The question is incomplete. The complete question is:-
(a) Alex poured some pond water into three beakers. She then put waterweed into each beaker. She put the beakers in different places.
i) In which beaker did the waterweed grow best? Give the correct letter.
ii) The waterweed in the box changed from dark green to pale yellow. Why did this happen?
(b) In the school pond there were lots of water lilies with large leaves covering the surface. There were not many plants growing below the surface. Suggest a reason for this.
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Glycolysis and the krebs cycle do not capture all of the potential energy in a glucose molecule because:________
Glycolysis and the Krebs cycle do not capture all of the energy in a glucose molecule because some energy is always lost as heat during chemical reactions.
A total of 2 ATP is produced during the glycolysis process, which converts glucose into pyruvate and energy (Glucose + 2 NAD+ + 2 ADP + 2 Pi --> 2 Pyruvate + 2 NADH + 2 H+ + 2 ATP + 2 H2O). Phophorylation is made possible by the hydroxyl groups. Glucose 6-phosphate is the specific kind of glucose that is employed in glycolysis.
The Krebs cycle is correlated with glycolysis, which is the mechanism by which a six-carbon glucose molecule is divided into two three-carbon pyruvate molecules. The cycle processes happen twice for every respired glucose molecule because two pyruvic acid molecules are created. Krebs Cycle: This aerobic activity happens inside the cell's mitochondria.
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The ____________ signals mesoderm surrounding it to develop into muscle and connective tissue.
spinal cord enable the body to have stamina to be able to do task
Explanation:
spinal cord enable the body to have stamina to be able to do task
Which function of epithelial tissues is best suited to detecting changes in the environment?
Sensation function of epithelial tissues is best suited to detecting changes in the environment.
Describe the environment:The items, situations, or surroundings that one is in. the mixture of physical (temperature, soil, etc.) and biotic (life things) factors that influence an organism or ecological community and it ultimately determine its form and survival.
What three types of environments are there?The environment can also be divided into three categories based on its constituents
(1) The aquatic environment (marine, such as oceans and seas, and freshwaters, such as lakes and rivers),
(2) The terrestrial environment (land), and
(3) The atmospheric environment (air).
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The hormone primarily responsible for contraction of the gallbladder and release of bile into the duodenum is?
The hormone primarily responsible for the contraction of the gallbladder and the release of bile into the duodenum is cholecystokinin.
Cholecystokinin also called pancreozymins is produced in the duodenum which is a part of the small intestine by the cells known as enteroendocrine cells and its secretion is stimulated by the introduction of fatty acids and amino acids. This hormone is involved in the process of digestion.
Cholecystokinin causes the contraction of the gallbladder which then releases bile and enzymes into the small intestine. Bile salts and other enzymes are involved in the breakdown of fats and proteins so that they can be absorbed in the small intestine. During the digestion process, this hormone also slows down gastric emptying and controls bowel motility.
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Stabilization of the unique coiled structure of an alpha helix in a protein is mostly attributed to.
Answer: Hydrogen bond from the carbonyl oxygen of one amino acid to the amino group of second amino acid.
Explanation:
Which term names the process whereby molecules in vesicles are exported out of the cell?.
The process by which molecules in vesicles are exported out of the cell is called exocytosis.
Exocytosis is the process by which secretions of the cell are transported out of the cell into the extracellular fluid. It occurs when the vesicle fuse with the plasma membrane to allow its content to move out of the cell.
Cell membranes are semipermeable membranes that do not allow foreign molecules to pass through them. But vesicles and plasma membranes are both made up of lipids which is the reason why they can fuse. This fusion allows macromolecules to move in and out of the cell.
Neurotransmitters, cell wastes, germs, carbon dioxide, water, etc are some of the content that can move out of the cell through exocytosis. Cells also replenish their inner content by fusion with the vesicles and remove the toxic content from the cell if encountered with one.
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There are three swellings that occur at the anterior end of a fluid-filled tube in the developing embryo. these three swellings eventually develop into the adult:__________
There are three swellings that occur at the anterior end of a fluid-filled tube in the developing embryo. These three swellings eventually develop into the adult forebrain, midbrain, and hindbrain.
What is brain?Brain is defined as an important organ of body which controls all the functions of the body and have command on all the body organs.
The outermost part of brain is known as dura mater which consist of a strong membrane layering and it is thick located just beneath the skull and vertebral column. The outermost part or cerebrum has billions of neurons and glia that are responsible for the formation of cerebral cortex, the outermost part.
Whenever body stuck in a dangerous situation, the signal in the form of information is conveyed to brain and the particular part that receives the signal is known as amygdala.
Therefore, These three swellings eventually develop into the adult forebrain, midbrain, and hindbrain.
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How do single-celled decomposers get energy?
They feed on living organisms.
They make their own food.
They break down dead organisms.
They use a process called budding.
Answer: They break down dead organisms
Explanation: Decomposers eat dead organisms for energy.
Tay-sachs disease results from a build up of lipid waste in nerve cells. the organelle in these cells that is lacking a specific type of lipid-digesting enzyme :____________.
There is an accumulation of lipid waste in nerve cells, which causes Tay-Sachs disease. Lysosomes are the organelle in these cells that lacks a certain kind of lipid-digesting enzyme.
Describe organelles:Inside cells, organelles are specialized structures that carry out a variety of tasks. Similar to how organs like the heart, liver, stomach, and kidneys serve specific roles to keep an organism alive, organelles provide specific functions to keep a cell alive.
What kind of organelle is that?The nucleus (a structure that houses the cell's chromosomes and is where RNA is generated), mitochondria (structures that produce energy for the cell), and lysosomes are examples of organelles (enzymes that help the cell digest and recycle molecules are contained in sac-like structures). cells that make up.
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Keisha soaked 6 different kinds
of seeds in water for 24 hours. Then she
planted the seeds in soil at a depth of
1cm. She used the same amount of
water, light, and heat for each kind of
seed.?
She conducted an experiment to see that every plant need same type of enviornment or not.
What are new plants that grow from seeds are called?A seed develops into an embryonic plant called a sporophyte, which then becomes a seedling. The germination of the seed initiates seedling development. The radicle (embryonic root), the hypocotyl (embryonic shoot), and the cotyledons are the three primary components of a typical early seedling (seed leaves).
What is the difference between gymnosperms and angiosperms?Angiosperms are also referred to as flowering plants since they contain seeds inside of their fruit. Gymnosperms, on the other hand, have bare seeds on the surface of their leaves but no flowers or fruits. The seeds of gymnosperms are arranged like cones.
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The na glucose symporter is an example of _____ transport, and it is found only on ______.
The na glucose symporter is an example of active transport, and it is found only on epithelial cells.
A transmembrane protein known as na glucose symporter is a sort of sodium-driven secondary active transport that occurs in the epithelial cells of the small intestine. The sodium-glucose symporter is found in the apical membrane of epithelial cells. The symporter binds to sodium and glucose, which are subsequently co-transported into the epithelial cells simultaneously. The sodium-driven glucose symporter utilizes the potential free energy stored in the sodium electrochemical gradient (low sodium concentration inside epithelial cells) generated by the Sodium-Keto pump. As a result, sodium influx from the lumen to the epithelial cell is connected to glucose transport (symport).
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The ______ route for water loss is based on a negative feedback for overall body water balance.
A. urinary
B. fecal
C. integumentary
D. respiratory
The medical terms for red blood cells, white blood cells, and platelets, in that order are?
Answer:
erythrocytes, leukocytes, and thrombocytes
Explanation:
erythrocytes, leukocytes, and thrombocytes
Which type of protein attaches membranes of adjacent cells to make intercellular junctions?
Transmembrane adhesion protein attaches membranes of adjacent cells to make intercellular junctions.
What is the function of adhesion proteins in the cell membrane?Cell adhesion molecules are subset of cell surface proteins that are involved in the binding of cells with other cells or with the extracellular matrix in a process called cell adhesion. CAM help cells stick to each other and to their surroundings. Adherence junction and Desmosomes hold cells together and are formed by transmembrane adhesion protein .
Therefore, the cell membrane serves two purposes: first, as a barrier keeping the components of the cell in and undesired substances out, and second, as a gate permitting the passage of vital nutrients into the cell and the movement of waste products out of the cell. Identification, communication, control of solute exchange across the membrane, and isolation of the cytoplasm from the surrounding environment are the four primary roles of the plasma membrane.
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Cardiovascular disease and cancer are the greatestc auses of death in the united states
a. true
b. false
Cardiovascular disease and cancer are the greatest causes of death in the united states. The given statement is true.
What is cardiovascular disease?
Cardiovascular disease is defined as disease related to heart such as high blood pressure, heart attack, and blockage in heart. Cancer is unwanted and unusual division of cell in the form of tumor which is known as cancer.
A circulatory system is defined as a system in the body that consists heart, blood vessels, arteries, veins and blood that all combined together to supply blood to all parts of body and takes up waste material from it.
Circulatory system have four major components and these are heart, veins, arteries, and blood. These are the four components that combined and form cardiovascular system.
Therefore, Cardiovascular disease and cancer are the greatest causes of death in the united states. The given statement is true.
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Which of the various species concepts distinguishes two species based on the degree of genetic exchange between their gene pools?
The biological species concept distinguishes two species based on the degree of genetic exchange between their gene pools.
What is biological species concept?
A species taxon is a collection of creatures that may effectively interbreed and give birth to fertile offspring, according to the Biological Species Concept. That idea holds that both interbreeding within a species and reproductive barriers between creatures of various species help to protect the integrity of a species.
The biological species concept (BSC) was created to help people understand biological diversity, notably the widely acknowledged finding that sexually reproducing organisms are more likely to be found in genetic and phenotypic clusters than in a continuum of forms.
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The actual length of an animal cell is 0.01 mm. If you wanted to draw a
diagram of the cell to scale using a magnification of x2500, what would
the length of your drawing have to be? Use the following formula:
Magnification
Observed cell length
Actual cell length
The actual length of an animal cell is 0.01 mm. If you wanted to draw adiagram of the cell to scale using a magnification of x2500, the length of your drawing have to be 25mm.
Magnification = Image size ÷ Actual size
Given,
Actual size, A = 0.01mm
Magnification, M = x2500
Then,
[tex]I = MX A\\I = 2500 X 0.01\\I = 25[/tex]
The Image size, I = 25mm.
Magnification is the method of increasing the alleged size, not the actual size, of an object. This increase is quantified by a premeditated number called magnification. When the magnification number is smaller than one, it directs to a decrease in size, occasionally called de-magnification.
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Since 238,900 is than 1, the decimal will
move to the left and my exponent will be
-
Since 238,900 is greater than 1, the decimal will move to the left and my exponent will be 5 as seen in 2.389 × 10⁵.
What is exponentiation?Exponentiation is the process of calculating a power by multiplying together a number of equal factors, where the exponent specifies the number of factors to multiply.
In mathematics, the exponent is the number by which a value (called the base) is said to be raised to a power in exponentiation: for example, the 3 in 2³ = 8.
According to this question, since 238,900 is greater than 1. The decimal will move to the left and the exponent will be 5 as follows:
2.389 × 10⁵
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The correct order of filtrate traveling from the distal convoluted tubule to the ureter is?
The correct order of filtrate traveling from the distal convoluted tubule to the ureter is:
Glomerulus → Proximal convoluted tubule → Descending limb of nephron loop → Ascending limb of nephron loop → Distal convoluted tubule → Collecting duct.
What travels inside the renal tubule?Alongside the tubule, a blood vessel may be seen. The blood vessel reabsorbs nearly all of the water and essential nutrients and minerals as the filtered fluid travels along the tubule. The tubule assists in clearing the blood of extra acid. Urine is created in the tubule from any leftover liquid and waste.How does renal filtrate move through it?The proximal tubule, the loop of Henle, the renal medulla, and finally the renal cortex are all where the filtrate travels after leaving Bowman's capsule. Filtrate is moved from the loop of Henle into the distal tubule, the collecting duct, and then into the renal medulla for collection.To learn more about Distal convoluted tubule visit:
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African lungfish, which are often found in small, stagnant pools of fresh water, produce urea as a nitrogenous waste. what is the advantage of this adaptation?
Urea makes lungfish tissue hypoosmotic to the pool. Small stagnant pools do not provide enough water to dilute the toxic ammonia. Lungfish are freshwater vertebrates of the Dipnoi order. Lungfish are most recognized for preserving ancestral Osteichthyes features, such as the capacity to breathe air.
Ancestral ammonia structures, such as the existence of lobed fins with a well-developed internal skeleton. Lungfish are the tetrapods closest surviving relatives. Only six species of lungfish are known to exist today, and they are found in Africa, South America, and Australia. Lungfish have been found in abundance since the Triassic period, according to the fossil record.
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A mineral scratches a knife blade but does not scratch a streak plate. What is the hardness of the mineral?.
Answer:
A mineral scratches a knife blade but does not scratch a streak plate. The hardness of the mineral between 5.5 and 7.
Explanation:
A material's ability to tolerate localized irreversible and plastic deformation, cutting, scratching, and even twisting is referred to as its hardness. Contrary, wear resistance will increase as hardness increases. Hard materials, in contrast, are challenging to shape-change.
The capacity of one mineral to scrape another mineral is a measure of hardness. A mineralogist from Germany named GeFederick Mohs developed a hardness scale that used a group of 10 reference minerals.Compounds containing calcium as well as magnesium, as well as a number of other metals, contribute to hardness. Temporary hardness, as well as permanent hardness, are indeed the two forms of hardness. Carbonate hardness is another name for temporary hardness.
This kind of hard water is caused by the bicarbonates and carbonates containing both calcium as well as magnesium. This hardness can be eliminated by boiling the water or adding lime to it.
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How do doctors estimate the extent of burn damage associated with such dangerous fluid loss?
The doctors estimate the extent of burn damage associated with such dangerous fluid loss using the rule of nines.
The rule of nines is a technique a doctor and other emergency unit caregivers used to estimate the degree of burns in the body of a person. This was discovered by Dr. Wallace thus also referred as Wallace rule of nines. The doctor would examine the patient with burns and quickly calculate the degree of burns by adding burns in specific areas of the body.
Here are some of the calculation of the rule the burns in arms including the hands constitutes 9%, front of the body 18%, genitalia 1%, head and neck 9%, legs constitutes 18% and back of the body also makes up for 18%.
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Primary lymphoid tissues are the sites where lymphocytes _______, whereas secondary lymphoid tissues are the sites where lymphocytes _______.
Primary lymphoid tissues are the sites where lymphocytes develop and mature whereas secondary lymphoid tissues are the sites where lymphocytes are stimulated.
What are lymphoid tissues?Lymphoid tissues are tissue which form part of the lymphatic system of the body.
The lymphatic system is the system of the body which is concerned with the production of the immune cells and in which the lymph circulates.
The primary lymphoid tissues are the bone marrow and thymus where there lymphocyte develop and mature.
The secondary lymphoid tissue include the lymph nodes, spleen, tonsils and Peyer's patches and are the sites where lymphocytes are stimulated.
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Note that the complete question is given as:
Primary lymphoid tissues are the sites where lymphocytes ____, whereas secondary lymphoid tissues are the sites where lymphocytes ____.
a. are stimulated; develop and mature
b. encounter pathogens; undergo apoptosis
c. develop and mature; become stimulated
d. undergo clonal selection; differentiate from hematopoietic stem cells
e. die; are phagocytosed after death
How are bacteria, archaea, fungi, protozoa, algae, and viruses distinguished on the basis of structure?
Bacteria, archaea, fungi, protozoa, algae, and viruses are distinguished on the basis of a structure by the three-domain system.
Three-domain system is a classification system in which cellular life is classified into three types which are archaea, bacteria, and eukarya domain.
Archaea are organisms that are made up of cells that lack a nucleus and other membrane-bound organelles which means that they are prokaryotic.
The domain bacteria differs from archaea in the composition of the cell wall and cell membrane in that the cell wall of bacteria consists of peptidoglycan while the cell walls of archaea do not consist of peptidoglycan. The lipids in the membrane of archaea are enclosed with hydrocarbons, unlike the bacteria in which lipids are enclosed with fatty acids.
Fungi and algae are included in the domain eukarya since they consist of a membrane-bound nucleus and hence are eukaryotic. Fungi and algae differ in cell structure in that the cells of algae have a single nucleus while the cells of fungi are multinucleated.
Viruses are not considered a part of any of the domains since viruses are not made of cells and they don't have the capability to perform any metabolic function. They remain inactive outside the host cell.
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