Epinephrine is considered a hormone when produced by the adrenal medulla because it's secreted into the bloodstream and a NT when secreted by a neuron because it's secreted into the brain.
Epinephrine is both a neurotransmitter and a hormone, however it acts specially as a hormone. Epinephrine, also called adrenaline, performs an important position in your frame's combat-or-flight response. It is also used as a medication to deal with many life-threatening situations.
Epinephrine injection is used for emergency treatment of extreme hypersensitive reactions (together with anaphylaxis) to insect bites or stings, drugs, foods, or other substances. It's also used to treat anaphylaxis resulting from unknown materials or caused through exercising.
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Marine Science Explain the difference between a wave’s period and frequency.
The difference between a wave’s period and frequency is determined by the fact that the wave frequency is inversely proportional to the wave period.
What do you mean by Wave frequency?Wave frequency may be defined as the number of peaks formed by a wave in one second. When you increase the energy of a wave, the frequency increases, but the wavelength decreases.
According to the context of this question, frequency is something that demonstrates how often something happens While period indicates the time at which is taken by that action to have happened.
Therefore, the difference between a wave period and a wave frequency is well described above.
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in an alpha helix,a.side chain residues point up and down the axis of the helix.b.the oxygen of the carbonyl carbon in a peptide bond points out toward the exterior of the helix.c.there are five residues per helical turn.d.there are usually many proline residues present.e.the helix is right-hande
In an alpha helix, the helix is right handed.
What is an alpha helix?
It is a rod like structure, where the inner section is a tightly coiled chain. The side chains extend in an outward direction in a helical array. In order to stabilize, the alpha helix takes advantage of the hydrogen bonding between the groups CO and NH of the main chain.
The alpha helix is most frequently used for interactions between DNA-protein interfaces that are sequence specific.
The alpha helix’s size is the same as the width of the major groove of DNA, which makes sure they fit tight together. At the same time, the side chains on the helix, which are protein, probe available base pairs.
Hence, the helix is right handed in an alpha helix.
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which is closest to the definition of primary production? select one: a. the net sinking rate of carbon from the surface oceans to the deep b. the production by primary producers in the deep parts of the ocean c. the rate of fixation of carbon per unit area per unit time d. the part of production that is primary and not secondary or tertiary
Closest to the definition of primary production is the production by primary producers in the deep parts of the ocean. So the correct option is b.
Primary production in ecology is the synthesis of organic molecules from aqueous or atmospheric carbon dioxide.
Primary production refers to the process by which autotrophs assimilate and fix inorganic carbon and other inorganic nutrients into organic matter. The chemical energy source is typically ignored when estimating an ecosystem's primary production.
There are two forms of primary production: gross primary production, which measures the total amount of organic material generated by all producers in an ecosystem. The pace at which energy is fixed by autotrophs in excess of respiration is known as net primary production. Gross primary output minus respiration equals net primary production.
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discuss what would happen to the rate of cellular respiration if the germinating lentils and crickets were kept in the respirometers for an extended period. you must show a critical understanding of the operations of the electron transport chain in your answer.
To fulfill the high-energy needs of a germinating seedling, cellular respiration increases as a seed emerges from dormancy and begins germinating.
Cellular respiration increases as a seed emerges from dormancy and starts to germinate in order to meet the high ATP requirements of a growing seedling. Sugars and other substances are used by seeds as a substrate for respiration during germination. Since there is a greater need for ATP during germination, the activity of the electron transport system also rises during this time.
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Beginning with Earth, make a claim about the structure of the universe.
Summarize evidence to support your claim, and explain your reasoning
It now seems that the cosmos came into being at a moment in time around 14 billion years ago. The cosmic microwave background, universal expansion, and the abundance of light elements are the three sources of evidence supporting the genesis of this event.
Which facts back up the universe's expansion?The universe's limited age was first seen and supported by Edwin Hubble in 1929. He found that the further a galaxy is from us, the quicker it appears to be fading into space using the greatest telescope available at the time. By extension, this proves that the cosmos is expanding consistently in all directions.
The Big Bang, a space-exploding event, is how our universe got its start. Space expanded, the cosmos cooled, and the most basic elements emerged from a state of very high density and warmth. To create the earliest stars and galaxies, gravity progressively pulled stuff together.
For a long time, gas was the only material used. Mostly hydrogen and helium, this gas expanded and cooled.
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rates of evolutionary change measured overshort time intervals are often very high. however, rates of evolutionary change measured over long time intervals are generally much lower. for example, see the discussion of body mass in mammals. should we expect this pattern to hold true for most characters? does this pattern imply that the evolution of major new characters, such as the wings of bats, should occur very rapidly?
Evolutionary histories are rife having alternate, stasis, and reversals.
The sample described is usually visible invarious organisms and could apply to many organismal capabilities. Comparisons of two points of a lineage may additionally show a exchange, but in between there will without a doubt additionally be intervals of stasis. The evolution of novel characteristics might arise unexpectedly. a new trait that provides a advantage.
Mammals are a group of vertebrate animals constituting the beauty Mammalia, characterised through way of the presence of mammary glands which in girls produce milk for feeding their more youthful, a neocortex, fur or hair, and 3 center ear bones.
Mammals actually play an vital function in ecosystems through supplying crucial services consisting of seed dispersal, pollination and regulating insect populations, and reducing sickness transmission and there's a few evidence that some corporations act as signs of sizable environment health.
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Which of the following can be classified as a producer?
A. Bear
B. corn
C. deer
D. snake
Answer:
B. Corn
Explanation:
Corn is considered a producer because corn meets the two primary characteristics of a producer. To start, producers make their own food so they can live. Corn is a plant that uses photosynthesis to take energy from the sun and make usable glucose for energy. Second, producers serve as a food source for consumers. All other answer choices are consumers.
Answer:
B. corn
Explanation:
A producer is an organism that makes its own food. In other words, it's an organism that can perform photosynthesis (plants). Since "corn" is the only organism that can perform photosynthesis, it is a producer.
why do other species have such different ranges of sensitivity for both visual and auditory stimuli compared to humans?
In order to best fit their specific environmental niches, other species have evolved. Due to the fact that only noises within this frequency range can cause the cochlea in humans to be stimulated, humans have a limited range of auditory sensitivity. Because the cochlea's hair cells have varied lengths, they can pick up different sound frequencies.
The pressure fluctuations caused by vibrating molecules are known as sound waves. The three psychological aspects of sound—loudness, pitch, and timbre—are influenced by the physical properties of sound waves. The amplitude, or height, of sound waves determines how loud something is. The perceived sound volume increases with increasing amplitude.
Although different frequencies of sounds (tones) have the same sound pressure levels, the human ear does not respond to them all equally. The subjective or individual magnitude of a sound is referred to as its loudness. A sound's loudness is not inversely proportional to its sound pressure level and varies depending on the frequency.
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milk and ear wax multiple choice question. a) are not secretions. b) are secreted from modified sweat glands. c) are secreted from modified sebaceous glands. d) are in the blood.
Answer: b
Explanation: because it’s right
Milk and ear wax "are secreted from modified sweat glands".
The ceruminous glands, whose were remodeled merocrine sweat glands, secrete ear wax, while the mammary glands, which were remodeled apocrine sweat glands, secrete milk.
A particular kind of gland that can be found in the skin, ear, breast, and eyelid. Apocrine glands inside the ear aid in the formation of earwax, whereas those in the breast produce fat droplets with breast milk. Sweat glands have been located in apocrine glands on the skin and eyelid.
Therefore, the correct answer will be option (c).
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During DNA replication prior to meiosis, a frameshift mutation occurs. Will this mutation be inherited?
a
Yes, because meiosis makes exact cellular copies.
b
Yes, because frameshift mutations are always passed on to offspring.
c
Yes, because the error happened in a gamete.
d
Yes, because the error happened in a somatic cell.
Yes, a frameshift mutation that occurs during DNA replication prior to meiosis will be inherited because the error happened in a gamete; option C.
What is a mutation?A mutation is a change that occurs in the sequence of nucleotides in a DNA molecule.
Mutations that are inheritable are those mutations that affect the gametes.
Gametes refer to the haploid cells that are produced during the process of meiosis. Gametes produce egg cells and sperm cells.
Therefore, a mutation that occurs prior to meiosis could be inherited because it will be present in the gametes.
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HELP. QUESTION: Do we learn from our mistakes using pesticides that contained DDT was very effective in controlling insect pests on many crops. It was subsequently banned because of this harmful side effect
A. Soft egg shells
B. Bioaccumulation
C. Birth defects in baby chicks
D. Death of small mammals
DDT was subsequently banned despite being very effective when used as pesticides because of its harmful side effect of: (B) bioaccumulation.
DDT has the full form Dichlorodiphenyltrichloroethane. It was a very commonly used pesticide or insecticide. It is a crystalline chemical compound. Apart from bioaccumulation, DDT was also responsible for the decrease in the reproductive rate of birds due to thinning of eggshells.
Bioaccumulation is the phenomenon where the intake of a chemical compound in an organism is more than its excretion or breakdown. In this phenomenon, the chemical agent quantity keeps building up gradually with time in an individual. Pesticide and pollution are the two most common reasons for bioaccumulation.
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Rank the strength of attraction between the particles that make up the gas in an oxygen tank, a rock, and juice, all at room temperature.
Answer:
rock, juice oxygen
Explanation:
Going by solid, liquid, and gas, there has to be the most attraction between solid substances.
how were terrestrial environments occupied by vascular plants and animals, including tetrapods during middle paleozoic
Terrestrial animals' adaptations include body weight, protection, and humidity. Vascular plants thrive because they can transfer water, nutrients, and seeds more effectively.
The Age of Fishes corresponds to the middle Paleozoic.
True roots consisting of vascular tissues have emerged in vascular plants. Rhizoids can absorb less water and minerals from the soil than roots can. All terrestrial plants share four main adaptations: a sporangium where spores are made, a gametangium where haploid cells are produced, and apical meristem tissue in roots and shoots.
Tetrapod species developed seven or more vertebrae, which increased neck movement, as they continued to evolve on land. Early tetrapods' shoulders and pelvis grew and developed, enabling them to carry loads on land. Different skeleton and muscle adaptations that allow for proper support and movement on land.
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you decide to introduce a species of lizard to an island where they were not previously found. you decide to introduce 50 individuals. what effect would mutations definitely have on the lizard population? select only one answer choice. group of answer choices mutations will likely introduce new alleles to the population. mutations will likely increase average fitness in the population. mutations will likely decrease average fitness in the population. mutations will cause dramatic changes in allele frequencies.
Mutations will cause dramatic changes in allele frequencies, this effect will be definitely visible.
Mutations are the changes in DNA sequence that occur during transmission of genetic material during reproduction. These changes are responsible for diversity in genetic sequence and hence formation of new alleles.
The effect of these alleles can be visible as phenotypes or difference in protein structures which may result in abnormality. Genetic drift is the change in frequency of allele randomly, due to mutation. It occurs through generations and is a mechanism of evolution. The phenomenon is common in small population and hence there will be dramatic change in allele frequencies.
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The spinal column is sometimes referred to as the backbone
True Or False
The statement the spinal column is sometimes referred to as the backbone is TRUE because it provides structural support to the body.
What is the spinal column in the human body?The spinal column is a series of vertebrae which include cervical spine vertebrae, thoracic spine vertebrae, lumbar spine vertebrae and sacral spine vertebrae. These bones are able to support the weight of the body.
Therefore, with this data, we can see that the spinal column in our body provides a structure that supports the human body.
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scientists and their contributions to the models of atom
The primary researchers and intellectuals engaged in inventing the atomic model we know today include Democritus, John Dalton, J.J. Thomson, and Ernest Rutherford. There were many scientists whose discoveries contributed to the atomic model. The nuclear model of Rutherford. With his famous gold-foil experiment, which showed that the atom contains a tiny, heavy nucleus, Rutherford overturned Thomson's hypothesis in 1911.
JJ Thomson's original investigation into cathode rays, which led to the discovery of the electron, was the most brilliant accomplishment of his life. It was revealed during his evening talk to the Royal Institution. The electrons orbit the atom's nucleus in specified, legal routes, according to the Bohr model, also referred to as a planetary model. When the electron is in one of these orbits, its energy is constant.
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What are some things you do to help you learn and remember new words and what they mean?
"Distributed practice" involves expanding out our studying over days and weeks. Working briefly on each class daily is most effective.
What is the best way to remember new words?1. Read.
Reading books and periodicals like newspapers and magazines will help you learn more words.
2. Always have a dictionary on you.
You can use versions on paper, in software, or on the internet. Electronic dictionaries are far more efficient .
3. Establish a dictionary for use.
It is important to record any new vocabulary. The act of writing them down will make it easier for you to recognize them when you are reading.
4. Acquire one new word each day.
use either a calendar, a website, or your own personal list. This assists a great number of people in learning new terms. You are not required to pick up a new concept every day.
5. Games.
Your vocabulary can be improved by playing word games that are difficult for you to master and that also introduce you to new words.
6. Talk.
Learning new words through conversation can be quite beneficial.
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What is another name for the “sentences” that DNA encodes?
which type of nissl stain requires a fluorescent microscope (a light microscope is not sufficient to reveal results)
Neurotrace a type of NISSL stain requires a fluorescent microscope as a light microscope is not sufficient to reveal results.
A common histology technique for identifying neurons in the brain and spinal cord is Nissl staining. The Nissl substance, a marker for the physiological status of the neuron, redistributes inside the cell body in injured or regenerating neurons. It is made up of ribosomal RNA coupled with the rough endoplasmic reticulum in neuronal perikarya and dendrites. NeuroTrace 640/660 deep-red fluorescent Nissl stain is more sensitive than conventional histology dyes like toluidine blue or cresyl violet and is selective for the Nissl material that is distinctive of neurons.
A popular technique for examining the anatomy and pathophysiology of neural tissue is Nissl staining. The characteristic staining of the neuronal perikarya is either absent or has a very weak signal after standard immunocytochemistry, leaving only the nucleus of the neurons to be labeled.
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describe two early hypotheses that dr. gillespie proposed to explain the morph ratio in the happy-face spider.
The first hypothesis is “why did each island have a 2:1 ratio of yellow to other morphs.” The second hypothesis is “why did the spiders come onto the islands in corresending order from 1 to 42”.
The current theory put forth by Gillespie and colleagues claims that predators looking for happy-face spiders keep the islands' 2:1 ratio constant. Predators on each island are either ineffectively looking for many morphs or effectively looking for the most prevalent morph, the yellow morph. Non-yellow morphs benefit from this since they are able to avoid predators more frequently. However, as other morphs become quite prevalent, predators begin to seek them out, which drives their frequencies back down. This method might shed light on why different morphs have evolved on different islands and why yellow and other spiders are regularly found in a 2:1 ratio.
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Genes are segments of DNA on a chromosome that control what?
Answer:
Your genes contain instructions that tell your cells to make molecules called proteins. Proteins perform various functions in your body to keep you healthy. Each gene carries instructions that determine your features.
Answer:
Genes are the segments of DNA that provide the codes to construct a protein.
Explanation:
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Release factor 1 has been mutated so now it binds to the codon 5’-ugg-3’ and the gene encoding the native trna that binds to the ugg has been deleted. Assuming that the cell with these mutations is viable, what would occur at the ugg codon? look at the genetic code in lecture slides or in your book.
The original UGG tRNA encoding has been removed and the cell with this mutation is alive, so the UGG codon will change the codon sequence.
When the coding for a nucleotide is removed, a mutation occurs. These mutations are called frame shift mutations. These mutations are caused by the addition or deletion of one or more nucleotides in the DNA, usually followed by a shift in codon reading resulting in a change in the amino acid sequence in the protein that the gene encodes for. The frameshift is divided into two, namely single base deletion and single base insertion. Single base deletion occurs when a nucleotide is missing or missing from the DNA chain. Single base insertion occurs when a nucleotide pair inserts into the DNA chain
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why is it critical for maintaining flux through the metabolic pathway that nadh be oxidized to nad , and (b) how is that done under anaerobic conditions in human cells?
Enables the energy-producing process by which NAD can move electrons from one reaction to another. Through a variety of metabolic processes, cells regenerate their energy when they are anaerobic.
NAD+ and NADH: What Function in Metabolism?With the help of metabolic activities like glycolysis, the TCA cycle, and fatty acid oxidation (FAO), NAD+ gets hydride to create NADH, a crucial redox carrier. Because of this, NADH also contributes to the production of ROS and is a key hydride donor for ATP synthesis via mitochondrial OXPHOS.
What is NAD+? As to why it matters:Every cell in your body contains NAD+, a vital coenzyme. It is crucial for the metabolic process and serves two primary purposes by converting nutrients into energy.
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the effect on ocean acidification on marine life such as such as phytoplankton algae, invertebrates, and vertebrates -
The overall effect of ocean acidification on marine life is habitats are in danger of extinction. Due to increase CO2 concentration and decrease O2 in ocean water.
The general rise in Earth's temperature, especially as a result of global warming and other factors, is what causes the oceans' temperature to rise.
The solubility of oxygen decreases as water temperature, in this example ocean temperature, rises. This is due to the higher kinetic energy of oxygen molecules, which allows them to move out of the solution or body of water. In general, this implies that the diversity of marine life would decrease as the oxygen level would decrease and carbon dioxide levels increased. Due to ore CO2 dissolving in water, it makes the water acidic.
Acidification has the following consequences on the marine environment:
1. Species' shells and skeletons are dissolving as the acidity of the environment rises.
2. The increased acid content in the ocean reduces the organisms' capacity to calcify.
3. Not able to stay healthy in acidic water.
4. For some fish species are not able to find food.
Therefore, the increase in acidity will result in dangers and the extinction of species.
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newly formed polypeptides are released and the ribosomal subunits break apart as a result of sequences in mrna called
Newly shaped polypeptides are released and the ribosomal subunits break apart as a result of sequences in mRNA called Translation.
The translation is the technique that takes the facts handed from DNA as messenger RNA and turns it into a series of amino acids sure collectively with peptide bonds.
Within the course of translation, ribosomal subunits acquire collectively like a sandwich on the strand of mRNA, in which they proceed to attract tRNA molecules tethered to amino acids (circles). an extended chain of amino acids emerges as the ribosome decodes the mRNA series proper into a polypeptide, or a logo-new protein.
The release elements bind to a termination codon on the area and stimulate hydrolysis of the bond between the tRNA and the polypeptide chain at the P internet site online, resulting within the release of the completed polypeptide from the ribosome. The tRNA is then released, and the ribosomal subunits and the mRNA template dissociate.
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Which of the following is a product of respiration resulting from the breaking of carbon-carbon bonds?
a glucose
b. oxygen
c. carbon dioxide
d. all of the above
Please select the best answer from the choices provided
Answer:
Carbon dioxide is produced during respiration from the breaking of carbon-carbon bonds.
Explanation:
Cellular respiration takes glucose and water and turns them into carbon dioxide and water in the formula:
C6H12O6 + 6O2 = 6CO2 + 6H2O + Energy
When the carbon bonds are broke, carbon dioxide is produced.
which choice among a-e below is false? a. transferrins: an iron-binding protein in your body b. fever: increases t cell activity and lowers iron availability c. amps: peptides of the innate immune system that possess antimicrobial activity d. interferon: acts on increfhypothalamus to elevate body temperature set point causing fever e. alternative complement pathway: complement activated by binding to pathogen surface glycolipids f. none are false; a - e are all true
The false statement in the given question is: (d) interferon: acts on increfhypothalamus to elevate body temperature set point causing fever.
Fever is the state of elevated temperature of the body. The normal body temperature is 98.6° F (37° C). Any increase above this temperature is febrile. Molecules called pyrogens released from the body of pathogens trigger the hypothalamus to elevate the body temperatures.
Interferon is the immune protein released from the cells that get infected by the virus. The function of the interferon is to inhibit the viral replication inside the body so as to prevent the spread of infection inside the body.
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What type of relationship do the spider
and the fern have?
Answer:
Commensal relationship
Explanation:
Spiders build their webs on trees. The spider gets to live in the tree, but the tree is unaffected.
np ;3
a group of organisms with the potential to interbreed and produce viable fertile offsprings is called ?
Group of organisms with the potential to interbreed and produce viable fertile offspring is known as species.
What do you understand by species?A biological species is a group of organisms that reproduce with one another in nature and produce fertile offspring.
In biology, classification comprising of related organisms that share common characteristics and are capable of interbreeding is termed as species.
The number of different species present in an ecosystem and abundance of each of those species is called species diversity. Biodiversity is very essential for the processes that support life on Earth. Without wide range of animals, plants and microorganisms, we cannot have a healthy ecosystems.
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This picture shows the flow of oxygen-poor blood into the right atrium then right ventricle and to the lungs. Which vessels are used to carry blood to the lungs?
A. pulmonary capillaries
B. cardiac veins
C. pulmonary arteries
Answer:
C. Pulmonary Arteries
Explanation:
The pulmonary artery is responsible for transporting oxygen-poor blood from the right ventricle to the lungs, where it is converted into oxygen and returned to the circulation.
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