The correct answers are:
The nucleus loses neutronsThe nucleus loses protonsThe nucleus loses energyWhat is alpha decay?A nuclear process known as "alpha decay" releases a particle made up of two protons and two neutrons when an unstable nucleus transforms to another element. The helium nucleus that is being ejected is known as an alpha particle. Positive charge and a sizable mass characterize alpha particles.What is gamma decay?Gamma decay is a form of radioactivity where some unstable atomic nuclei release extra energy through an electromagnetic mechanism that occurs naturally. Gamma rays—photons or electromagnetic energy packets with an incredibly tiny wavelength—are emitted in the most prevalent type of gamma decay, referred to as gamma emission.To learn more about radioactive decay visit:
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The correct answers are:
The nucleus loses neutrons
The nucleus loses protons
The nucleus loses energy
What is alpha decay?
A nuclear process known as "alpha decay" releases a particle made up of two protons and two neutrons when an unstable nucleus transforms to another element.
The helium nucleus that is being ejected is known as an alpha particle.
Positive charge and a sizable mass characterize alpha particles.
What is gamma decay?
Gamma decay is a form of radioactivity where some unstable atomic nuclei release extra energy through an electromagnetic mechanism that occurs naturally.
Gamma rays—photons or electromagnetic energy packets with an incredibly tiny wavelength—are emitted in the most prevalent type of gamma decay, referred to as gamma emission.
Drugs that facilitate the activity of the synapses of a particular neurotransmitter are said to be __________ of that neurotransmitter. select one:
Drugs that facilitate the activity of the synapses of a particular neurotransmitter are said to be agonistic of that neurotransmitter.
This is further explained below.
What is a neurotransmitter?Generally, Neurotransmitters are a kind of chemical messenger that is necessary for the human body to have in order for it to operate effectively.
Their job is to carry chemical signals, which are often referred to as "messages," from one neuron (nerve cell) to the next target cell along the route.
The following cell that may become the target could be a nerve cell, a muscle cell, or a gland cell. There is a possibility that all three could be involved.
In conclusion, It is claimed that a drug is agonistic for a certain neurotransmitter if it is able to increase the activity of the synapses that are associated with that neurotransmitter.
agonistic
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In _____ diseases, the function or structure of the affected tissue or organs progressively deteriorates over time.
Degenerative diseases cause the affected tissue or organs to gradually lose their function or structural integrity over time.
Describe tissue:A collection of cells with similar structures and functions is referred to as a tissue. The intercellular matrix, a nonliving substance, fills the spaces between the cells. There might be a lot of this in some tissues and not much in others.
What four purposes do tissues serve?Epithelial tissue, connective tissue, muscular tissue, and nerve tissue are the four basic tissue types, each of which is distinguished by its appearance and purpose. In addition to forming protective barriers, epithelial tissue plays a role in the transport of ions and molecules. Other tissue types are supported and anchored by connective tissue.
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Describe how distances in space are measured using the speed of light. Use Barnard's star as an example.
Distances in space are measured using the speed of light because light can travel through space and have very high speed.
How is distance measured with light?A light-year is a measurement that is used by astronomers to measure distance in space. A beam of light travels in one year about a distance of six trillion miles which is a very long distance. In a vacuum, light travels at the speed of 670,616,629 miles per hour. The speed of light is very fast so that's why the scientists used the speed of light for measuring long distance in space.
So we can conclude that distances in space are measured using the speed of light because light can travel through space and have very high speed.
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Smooth muscle fibers can sustain a contraction without fatigue by allowing dephosphorylated myosin to remain attached to actin in what is called the ________.
Smooth muscle fibers can sustain a contraction without fatigue by allowing dephosphorylated myosin to remain attached to actin in what is called the latch state.
What is muscle contraction?Muscle contraction is defined as an action potential travels along the nerves to the muscle. The beginning of muscle contraction occurs with signal generated from the nervous system. There are mainly two types of muscle contraction and the situation occur when a muscle contracts and a change in size takes place.
Isotonic concentric contraction is the type of muscle contraction in which muscle shortening takes place. Isotonic eccentric contraction is the type of muscle contraction in which the muscle lengthening whilst it is under tension.
Therefore, Smooth muscle fibers can sustain a contraction without fatigue by allowing dephosphorylated myosin to remain attached to actin in what is called the latch state.
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In medicine, a complete living entity capable of independent existence is called a/an: _______
a. animal
b. organism
c. human being
d. creature
e. man
In medicine, a complete living entity capable of independent existence is called an b.organism.
In the field of medicine, an organism can be described as a living, independent entity. An organism is made up of one or more than one cells. Hence, the correct option is b. organism.
An organism can show the seven basic life principles. They can show movement. They can reproduce. They can show sensitivity to various stimuli. They can respire. They can carry out the process of excretion. They use nutrition as a source of energy and they can grow.
An organism has an organized structure that helps in the maintenance of the organism.
Other options, such as option c, is not correct as although the human being is a complete living entity but all other organisms also fall under this criteria. Human beings are organisms.
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The _____ nervous system conserves energy, while the sympathetic nervous system consumes energy.
The nervous system conserves energy, while the sympathetic nervous system consumes energy.
What is the nervous system?The nervous system is an organ system that coordinates the activities of muscles, monitors organs, constructs and processes data received from the senses and initiates actions.
The nervous system can either be the following;
SympatheticParasympatheticThe sympathetic nervous system is a part of the autonomic nervous system that raises blood pressure and heart rate, constricts blood vessels, and dilates the pupils when under stress.
On the other hand, the parasympathetic nervous system is one of the divisions of the autonomic nervous system, based between the brain and the spinal cord, that slows the heart and relaxes muscles.
This suggests that the parasympathetic nervous system conserves energy because it slows the heart while the sympathetic nervous system consumes energy.
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One of the serous membranes is thicker than the other serous membranes and contains a lot of fat. which membranes so you think is thicker and why?
Golgi membrane is thick because membrane thickness play a key role in protein function .
What is serous membrane and its function?Serous membrane is a smooth tissue membrane of mesothelium lining the content and inner walls of body cavities, which secrete serous fluid to allow lubricating sliding movement between two surfaces.
Serous fluid lubricates the membrane and reduces the friction and abrasion when organs on the thoracic or abdominopelvic cavity move against each other or the cavity wall.
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PRETTY PRETTY PLEASEEEEEE HELP
What does the term "homeostasis" mean?
Question 2 options:
respond to their environment
maintain a stable internal environment
made up of units called cells
based on a universal genetic code
Answer:
Homeostasis has become the central unifying concept of physiology and is defined as a self-regulating process by which an organism can maintain internal stability while adjusting to changing external conditions.
Explanation:
so the answer is, maintain a stable internal environment
Label the following statements as either true or false.
Some enzymes remove single amino acids from proteins by beginning at the amine or N-terminus.
a. True
b. false
It's true some enzymes remove single amino acids from proteins by beginning at the amine or N-terminus.
How enzymes work ?Enzymes play a crucial role in reducing a reaction's activation energy, or the amount of energy required for the reaction to start. Enzymes function by attaching to reactant molecules and holding them so that chemical bond-forming and bond-breaking reactions proceed more quickly.
How do enzymes work in digestion ?The breakdown of the food you eat is greatly aided by digestive enzymes. These proteins quicken chemical processes that change nutrients into things your digestive system can absorb. Digestive enzymes are present in your saliva. Your pancreas, gallbladder, and liver are a few of the organs that release them.
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Of all six technologies that wood identifies, which do you find the most interesting, useful, or pertinent to your own life? discuss.
orbital launch vehicles are the most interesting, useful, or pertinent to your own life.
What is a launch vehicle?A launch vehicle or carrier rocket may be a rocket-propelled vehicle used to carry a payload from Earth's surface to space, usually to Earth's orbit or beyond. A launch system includes the launch vehicle, launch pad, vehicle assembly, fueling systems, range safety, and other related infrastructure. Orbital launch vehicles are often grouped based on many different factors, most notably payload mass, although price points are a serious concern for some users.
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Retinal cells that make connections with bipolar cells, ganglion cells, and other cells like themselves are called:_____.
Names the retinal cells that communicate with ganglion cells, bipolar cells, and other cells that are similar to them.
What are retinal cells?
Light must travel through layers of neurons and capillaries before it reaches the photosensitive regions of the rods and cones in vertebrates because the light-sensing cells are located at the rear of the retina. The optic nerve must pass through the retina in order to reach the brain because the ganglion cells, whose axons make up the optic nerve, are located at the front of the retina. The blind spot results from the absence of photoreceptors in this area.
Retina amacrine cells are interneurons that communicate with ganglion cells and bipolar cells.
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How does the bottleneck effect undermine the effort of conservation biologists who are trying to save species nearing extinction?.
Bottleneck effect helps the biologists to save species nearing extinction because it helps in reestablishment of the species.
Specified, widespread violence or purposeful culling, human population planning, and other human actions such as famine, earthquakes, floods, fires, disease, and droughts can all cause population bottlenecks. Population bottlenecks can also occur owing to genetic bottlenecks. Such occurrences can lessen the genetic variety of a community, leaving just a smaller population to transmit genes to future generations of offspring through sexual reproduction.
from such a small population by continuously breeding and providing good environment the again flourishment of the species can take place.
Thus, this small population is now taken care of by biologist so that the proper sexual reproduction can take place and thus the population is maintained and thus conservation takes place.
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The areas for speech are found in the _________ and __________ lobes. a. frontal . . . occipital b. temporal . . . frontal c. occipital . . . parietal d. frontal . . . parietal please select the best answer from the choices provided a b c d
The areas for speech are found in the frontal and temporal lobes.
The areas for speech are preferably found in the frontal and temporal lobes of our brain. Our brain is primarily responsible for all bodily functions. The brain has many parts like the medulla, cerebellum, and cerebrum. The cerebrum is the largest part of the brain and is the primary organ for speech. The cerebrum has two hemispheres which are divided into smaller regions called lobes. These include temporal, frontal, parietal, and occipital lobes.
The frontal lobe and the temporal lobes are primarily responsible for speech. They are located on the front and side of the brain above the ears. The frontal lobe is the largest of the four lobes and is responsible for many functions. Broca's area is a part of the frontal lobe which is responsible for turning your words and thoughts into verbal words. Another Wernicke's area is situated in the temporal lobes and is responsible for processing and understanding the languages and words of speech. Arcuate fasciculus is a band of nerves that connect the above two areas.
The areas of speech are Broca's area and Wernicke's area which are found in the frontal and temporal lobes respectively.
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Each of the species of finches on the galapagos islands has its own distinctive ________ and ________.
Each of the species of finches on the Galapagos Islands has its own distinctive beak and ecological niche.
Reason :
Darwin observed that the finches evolved thanks to the difference in their habitat. Consistent environmental differences in several habitats on different islands in the Galapagos, the supply of different foods sources (seeds, cactus, insects, and fruit) promotes directional selection on resident finches for optimal beak morphology which maximizes survival under local conditions.
This process has produced more distinct species of finches, all unique to the archipelago. He noticed that every finch species is having a different type of beak, counting on the food available on its island.
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What changes occur in extracellular and intracellular fluid compartments during dehydration?
Answer:
cellular shrinkage and metabolic dysfunction.
Explanation:
In dehydration, fluid from the extracellular compartment is depleted first, followed by fluid from the intracellular space. Fluid loss from the intracellular space results in cellular shrinkage and metabolic dysfunction. Dehydration occurs because of decreased water intake, increased fluid loss, or both.
According to the complete replacement model, the transition from premodern to modern homo sapiens?
According to the Complete Replacement Model, the transition was from the premodern to the modern Homo sapiens: only they occurred once, in the Africa. By the 165,000 ya individuals were they using fire at the Pinnacle Point, as the evidenced by the microliths that has show the evidence that the stone had been be carefully heated.
Homo sapiens, (Latin: “wise man”) the species is to which all modern human beings belong. the Homo sapiens is one of the several species of grouped into the genus the Homo, but it is the only one that is not extinct. and See also human evolution.
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The principle that describes the technique of having body parts and appendages dragged behind the rest of the body and continue to move when the body stops, like a cape, is called:__________
The principle that describes the technique of having body parts and appendages dragged behind the rest of the body and continue to move when the body stops, like a cape, is called Follow Through and Overlapping Action.
Difference between follow through and overlapping actionThe concept of "Follow Through" states that an item or its loosely coupled elements will keep moving even after the character has stopped. Similar to overlapping action, which describes how various sections of an object or body typically move at various rates.
What is the overlap principle?The concept of overlapping action states that various bodily components will move at various velocities. As a result, when you walk, your arms will move more slowly than your head. Animation may have believable motion by using both overlapping action and follow-through.
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Which of the following will decrease soil nitrates?
A. Fast growing crops
B. Decomposers
OC. Nitrifying bacteria
D. Lightning
At fuyan cave in southern china, paleoanthropologists found 47 adult teeth associated with cave formations dated to between 120,000 and 80,000 years ago. fuyan cave is most likely the?
Fuyan cave is most likely the oldest-known modern human site in China.
Fuyan caves are limestone caves present in Hunan Province of Southern China. These caves came to fame due to the discovery of modern humans. The discovered teeth were thought oldest modern humans, which were discovered at site other than Africa. Additional proof of the facts associated with discovery was presence of cavities in those teeth.
To find the age of those teeth, the stagalamites present above the regions of discovery of teeth were dated. The results indicated them to be 80,000 years old, confirming the age of teeth to be same. Though humans discovered this cave in 1984, but, the excavation was performed in the year 2011. It was also excavated in year 2013.
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A flowerless, seed-bearing plant is called a(n) ____. group of answer choices
a. angiosperm
b. gymnosperm
c. crinoid
d. echinoid
e. sponge
Gymnosperms are flourless, seed-bearing plants. Therefore, the answer is option B.
Gymnosperms are seed bearing plants. Since gymnosperms do not have flowers, their seeds are not usually encased in an ovary, unlike the angiosperms. Instead, their seeds are open on the surface of bracts (leaf like structures).
Gymnosperms grow mostly in temperate forests and cold boreal forests. There are four main divisions of gymnosperms which include:
Coniferophytes: They are evergreen trees that bear cones. They include trees with needle-like leaves like pines, firs, hemlock and sequoias.Cycadophytes: They include the cycads and grow in subtropical and tropical forests.Ginkgophytes: They only grow in China and can live for thousands of yearsGnetophytes: It is divided into three genera; Ephedra, Gnetum and the Welwitschia.Learn more about gymnosperms here:
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How did charles darwin's ideas with regard to natural selection differ from those of french biologist jean baptiste lamarck?
According to Charles Darwin's theory of natural selection, only those individual are able to survive that adapt better to the changing environment and are able to reproduce. Whereas according to Lamarck, the characters that an individual gains during its lifetime are passed on to its further generations.
Natural selection is the phenomenon that states that only those individuals area able to survive in the environment that adapt better to the changing surroundings and are successfully able to reproduce. The theory was out forward by Charles Darwin.
Characters are the traits that may be phenotypically visible or present at the genetic level. These characters define an individual.
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Keratin proteins are made of long chains of _______________linked together end-to-end like beads.
Keratin proteins are made of long chains of amino acids linked together end-to-end like beads.
Your skin is supported, wounds are treated, and your hair and nails are kept in good condition. Your body contains 54 different varieties of keratin. The two are as follows: Type I: 28 of the 54 different types of keratins in your body are type.The substances known as amino acids, or the "building blocks of proteins," play a variety of vital functions in your body.You require them for essential functions like producing hormones, neurotransmitters, and proteins. Some people use particular amino acids as supplements as a natural way to enhance or increase sports performance.To learn more about keratin.
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Explain active transport.
Explanation:
Active transport is basically like a movement cell because it moves ions or molecules across the cell membrane and into a higher concentration area. It requires energy.
Complete the sentences describing the properties of water that contribute to its role as a solvent in living organisms.
The unequal sharing of electrons between the oxygen and hydrogen atoms within a water molecule makes water a polar molecule.
Which property of water is used as a solvent in living organisms?Water is an excellent solvent because, provided the solute is nonpolar, it can be broken up and surrounded by water, which will dissolve it into solution. This is possible because of the electron configuration of a water molecule.
Water behaves in this way because the positive charge on the hydrogen end of the molecule is drawn to the negative charge of a polar molecule, while the negative charge on the oxygen end is drawn to the positive side of a polar molecule .
The "universal solvent" moniker refers to water's broad range of molecule-dissolving abilities, which are what make it such a vital life-sustaining force. Water's function as a solvent aids biological processes by facilitating the transportation and utilisation of nutrients and oxygen by cells.
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Which disorders have a known chromosomal inheritance pattern? select all that apply.
A. down syndrome
B. turner syndrome
C. marfan syndrome
D. fragile x syndrome
E. edwards syndrome
The disorders which have a known chromosomal inheritance pattern include the following:
Down syndromeTurner syndrome.Fragile x syndrome.What is Chromosomal disorder?This is referred to any type of syndrome which is characterized by malfunctions in the body system as a result of the abnormal number of chromosomes present.
Down syndrome is characterized by three copies of chromosome 21 being produced.Turner syndrome affects only females and is characterized by the X chromosome being absent fully or partially. On the other hand, fragile x syndrome occurs as a result of a mutations in a gene on the X chromosome.
This is therefore the reason why options A, B and D were chosen as the most appropriate choice.
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The nurse is teaching a community health class about the immune system. the nurse asks the class to list various functions of b-cells in immunity. which responses by students are correct?
There are various functions of B-cells in immunity:
B cells create a type of protein (antibodies) that is beneficial to the immune system.Antibodies bind to pathogens or to foreign substances, such as toxins, bacteria, and viruses to neutralize and fight them.Prevents pathogens from entering a normal cell and causing infection.B cells can also recruit other cells to help destroy an infected cell.The immune system is a complex network of organs, cells and proteins that defends the body against infection, and protecting the body's own cells. The immune system records every germ (bacteria, viruses, and fungi, and toxins) that is ever defeated, in order to recognize and destroy them if they come back.The are two cells that are involved in these works, those are The T and B lymphocytes (T and B Cells).Learn more about the Immune System here https://brainly.com/question/6612564
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Describe the classification of epithelium in terms of shape and number of layers of cells.
Depending on its shape, epithelium is categorized as follows:
squamous, cuboidal, and columnar.The epithelium is categorized according to the number of cell layers and shape:
Simple epitheliumStratified (or compound) epitheliumPseudostratified epitheliumExplanation:
-Epithelium is categorized according to its shape as follows:
Flat and scale-like squamous epithelial cells are characteristics of the squamous epithelium. They can be found in the oesophagus, the mouth's smooth inner lining, and the lungs' alveoli.
Cuboidal epithelium: Cells in this type of epithelium resemble cubes and have identical height and width. Normally, they develop gland and secretory organ ducts.
Columnar epithelium: Due to their greater height than width, columnar epithelial cells resemble columns. Columnar epithelia can be further broken down into ciliated columnar epithelium, which lines the surface of the airway, and glandular columnar epithelium (forming glands).
-The epithelium is categorized according to the number and structure of cell layers:
A single layer of cells comprises the simple epithelium. The thinness of the epithelial barrier generally enables it to carry out tasks like absorption and filtration. Examples include cells in the bronchi, alveoli, renal tubules, uterus, body cavities, stomach, and small intestine.
A stratified epithelium, also known as a complex epithelium, has many cell layers. The multilayered nature of the stratified epithelia allows it to withstand mechanical or chemical harm. Even when certain cells are damaged and come away from the surface of the stratified epithelium, the underlying tissues are still protected from the outside environment
Although there is only one layer of cells in pseudostratified epithelium, the densely packed cells give the impression of being grouped in layers due to their various sizes. Examples include the ciliated epithelial cells lining the trachea and upper respiratory system..
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The supergroup archaeplastida includes land plants and other photosynthesizers, such as ____________ , which include the chlorophytes and charophytes, and ____________ .
Green algae, Red algae
The supergroup archaeplastida includes land plants and other photosynthesizers, such as Green algae , which include the chlorophytes and charophytes, and Red algae.
The green algae have yellow and green pigments that are employed in photosynthesis.These green algae can have one cell or several.The group thought to be most connected to land plants is the charophytes.The charophytes, which include Spirogyra, have a filamentous structure.Chlamydomonas and Volvox are examples of chlorophytes.The multicellular red algae have blue and red accessory pigments, which enable them to perform photosynthesis even in deep seas.What qualities make up an archaeplastida?Nearly all of the primary algae (i.e., with plastids of primary endosymbiotic origin) belong to the group called Archaeplastida ('ancient plastids,' and the vast majority of living species in this collection are photosynthetic).To learn more about archaeplastida visit:
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Which instructions would be included when teaching a client with hyperthyroidism who just had radioactive iodine to ablate thyroid tissue?
The instructions that would be included when teaching a client with hyperthyroidism who just had radioactive iodine to ablate thyroid tissue is not holding infant.
Hyperthyroidism is a condition of over-activation of thyroid gland. It results in a over production thyroxine hormone.
Overproduction of the hormone can cause acceleration of the body metabolism leading to rapid weight loss. It can also cause other condition like irregular heart beat.
Radioactive iodine is treatment that is suggested for dealing with hyperthyroidism. It kills the targeted thyroid cells and do no harm to other body parts.
But it has other effects like neck tenderness, nausea, swollen salivary gland, etc.
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Gemstones are commonly found in pegmatites, which are igneous rocks that are _____. group of answer choices
Gemstones are commonly found in pegmatites, which are igneous rocks that are exceptionally coarse grained.
Pegmatite are the igneous rocks which are crystalline in nature and are exceptionally coarse grained. It is composed of 33.6 percent albite, 30.4 percent quartz, 21 percent perthite and 14 percent muscovite.
They contain exceptionally large crystals and are also called as architectural stones.
Gemstones are pieces of mineral crystals which is cut and polished to form jewelry and other ornamental items.
Gemstones are commonly found in pegmatites like topaz, tourmaline, kunzite, blue aquamarine, pink morganite.
Pegmatite are mined for both gemstones and rare earth minerals.
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