Dendrites are the receiving area of the stimulus and axons transmit the impulse.
Neurons are specialized cells, located in the nervous system, which convey information. Axons, soma, and dendrite are all parts of a neuron. The myelin sheath, a fatty covering that surrounds some axons and serves as an insulator to speed up electrical signal transmission, is present on some axons. The dendrite is a branch-like extension that connects to the soma and delivers electrical stimulation. It also receives information from other neurons. Information is sent from the soma to the terminal buttons via an extended fiber called an axon. Neurotransmitters use a lock-and-key mechanism to chemically convey information from the terminal buttons, through the synapses, to the receptive dendrites. Together, the numerous neurotransmitters have an impact on cognition, memory, and behavior. Drugs are called antagonists to impede the functions of neurotransmitters, whereas agonists imitate those of neurotransmitters.
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in a protein region that forms an alpha helix, what does the main chain carbonyl oxyggen hydrogern bond with
In alpha helix structure of protein, carbonyl group oxygen bonded with amine hydrogen as a hydrogen bond. The alpha helix (-helix) is a right-hand helix shape wherein every backbone NH group hydrogen bonds to the backbone C=O. group of the amino acid four positions ahead in the protein.
Alpha () amino acids are a protein's main building block. As their name suggests, they have both an amine functional group and a carboxylic acid functional group. These two functional groups are separated from one another by one carbon group, as indicated by the alpha designation. The alpha carbon is also joined to a hydrogen and a third group, which can be any size or length, in addition to the amine and carboxylic acid. This group is shown as an R-group in the diagram below. Twenty amino acids are employed as the building blocks for proteins in living things. Only at the R-group position do they diverge from one another.The fundamental structure of a protein is only the arrangement of the amino acids in a polypeptide chain. For instance, the polypeptide chains A and B of the hormone insulin.
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Which of the the following energyie ource produce the leat harmful envirmental effect
Geothermal energy is one of the least harmful to the environment
What is geothermal energy?
The thermal energy produced and kept in the Earth's crust is known as geothermal energy. The ongoing nuclear fusion process keeps the Earth's core at a temperature that is roughly consistent with that of the Sun. Some rocks melt under the intense heat and pressure, which causes the mantle to rise (as they become lighter with the heat). These molten rocks that were created in the crust of the Earth are propelled upward where they become trapped in certain areas known as "hot spots." Steam is produced when the hot point makes contact with subterranean water. This hot water-formed area occasionally has surface outlets. Hot springs are where this hot water bursts from these sources.
According to the question:
Geothermal energy is a clean form of energy, making it one of the least damaging to the environment. It can be utilized in an emergency and won't run out of water because it consumes water continuously.
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which of the following statements is true of essential trace minerals in general? a. they can be found in a wide variety of foods. b. they function independently in the body. c. they are
It is True that essential trace minerals a. they can be found in a wide variety of foods. For some essential trace elements, the gap between toxic intakes and optimal intakes to meet physiological needs is significant, but for others, it is much smaller.
Minerals known as trace elements or trace metals are found in trace amounts in living tissues. Although the evidence is only suggestive or incomplete, some of them are known to be nutritionally essential, others may be essential, and the remaining are regarded as non-essential. If consumed in sufficient quantities over an extended period of time, all trace elements are toxic. Iodine and fluorine are two examples. A wide variety of foods, including meat, fish, cereals, milk and dairy products, vegetables, and nuts, contain trace elements in trace amounts.
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what occurs when a species enters a new environment and different traits affect its survival and evolution?
When a species enters a new environment, a variety of different traits can affect its survival and evolution. If the species is foreign to the environment, the species must adapt to the new climate, terrain, food sources, and predators in order to survive.
The introduction of a species into a new environment is known as ‘range expansion’ and can have both positive and negative impacts on the species’ survival and evolution.The most important factor in a species’ survival and evolution in a new environment is its ability to adapt. A species must be able to quickly adjust its behavior, physiology, and genetics to the new environment in order to survive.
The species may need to develop new behaviors, such as mating strategies, or physiological changes, such as the ability to tolerate a wider range of temperatures. The species must also evolve genetically in order to survive, developing new traits that are better suited for the environment.
Different traits can have a large influence on a species’ survival and evolution in a new environment. A species’ body size, for example, can have a big impact on its ability to survive. In a new environment, a species with a larger body size may be more successful, as it can outcompete smaller species for resources.
A species’ reproductive strategy can also have an effect on its survival and evolution. Species that reproduce quickly and produce large numbers of offspring are more likely to survive in a new environment, as they can quickly adapt to new conditions.
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Koala are a specialist species because they _______.
a. only eat eucalyptus leaves
b. are marsupials
c. live in trees
d. eat leaves
a. only eat eucalyptus leaves.
Koala are a specialist species because they a. only eat eucalyptus leaves.
What is a specialist species?A species that fills highly specific niches in its environment can survive and procreate.
The conditions in which specialists live allow them to adapt quite well, but they are unable to do so in other environments.
Animals that need particularly specific resources are known as specialist species. These animals frequently have a relatively restricted diet or require a certain habitat condition to exist. The tiger salamander is an example of a specialist.
They need to reside in wetland habitats that don't dry out in the spring and summer in order to be able to breed. They also need a lot of worms and insects for their food.
Koalas are a specialised species since they only consume eucalyptus leaves.
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Answer:
A. only eat eucalyptus leaves
you submit your dna for testing through an ancestry service and get your results. one of your results is that you are 1.2% east asian. what do those results actually indicate?
There is a 1.2% probability that my SNPs share ancestry with an East Asian reference population.
When interpreting test results healthcare professionals consider medical history family history and the type of genetic testing that was done. A positive test result means the lab has found a change in a specific gene, chromosome, or protein of interest.
Positive or Abnormal. It means that a disease or substance has been found. inconclusive or uncertain. This means that the results did not provide enough information to diagnose or rule out disease. More tests may be taken if the results are inconclusive. A DNA test is a medical test that can identify mutations in genes, chromosomes, or proteins.
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you are a researcher studying nutria in the wild. for best success, when should you look for them?
Nutria is known to live in warmer, often wetter environments, including such coastal marshes or wetlands inside the lower latitudes.
Nutria were first introduced to the United States for the fur trade in 1899, but they did not reproduce. Subsequent introductions have been successful, as records show nutria were present in California's Central Valley but also South Coast in the 1940s and 1950s, but had been eradicated by the 1970s.
The nutria is indeed a large, furry, aquatic rodent with a light to dark brown coat. Nutria are closely related to beavers, but have arched backs but also long, round, sparsely haired tails, instead of wide as well as flattened beavers. Adults have a body size of two feet, a weight of 15-20 pounds, and a tail length of 1-1.5 feet. Nutria tracks can grow up to 6 inches long, due to having 5 toes per foot, and also have visible webbing on the hindfeet.
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which of the following is a primary role for vitamin k in the body? a. muscle contraction b. enzyme action c. nerve transmission d. blood clotting
Answer:
d. blood clotting
Explanation:
The primary role of vitamin K in the body is blood clotting. Vitamin K is essential for the proper function of certain proteins involved in the blood clotting process. Deficiencies of vitamin K can lead to abnormal bleeding and increased risk of bleeding disorders.
High pitched sounds produce a peak displacement of the basilar membrane near the apex of the cochlea. True or False.
False
Because low frequencies generate maximum displacement towards the apical end of the cochlea, while high frequencies cause maximal displacement close to the base of the cochlea (near the stapes).
How does the basilar membrane's mobility depend on the frequency of sound waves?The distance that sound waves travel decreases with increasing frequency. As a result, a tone at a certain frequency causes stimulation to peak at a particular location on the basilar membrane.
Where in the cochlear duct do frequencies ranging from high to low pitches activate the hair cells?With respect to the cochlea's base and apex, high frequencies and low frequencies respectively activate hair cells.
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what are the structural similarities of the organ system for these two species of digestive system between perca flavescens and homosapiens
Like a human and an earthworm, the fish's digestive tract begins at the mouth. Similar to humans, fish ingest their food and then when it passes through their throat.
As food travels down the esophagus, it enters the gizzard, where it is further digested.
The human body's digestive system consists of a collection of organs that operate in concert to transform food into energy. The gastrointestinal tract, along with auxiliary organs including the liver, pancreas, and gallbladder, make up the digestive system anatomically.
The mouth, stomach, esophagus, small intestine, and large intestine, which houses the rectum and anus, are among the hollow organs that make up the gastrointestinal tract (GI tract).
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72. what are the two groups that leukocytes are divided into? how do we distinguish between these two groups
The term leukemia means white blood. White blood cells (leukocytes) are used by the body to fight infections and other foreign substances. Leukocytes are made in the bone marrow. Leukemia leads to an uncontrolled increase in the number of white blood cells.
Common causes of leukocytosis include having an infection, but it also can occur if a person has had bone tumors or leukemia.
Septic shock may cause either leukocytosis or leukopenia. Many septic patients exist between these two extremes, with a normal WBC (such patients often develop leukocytosis in a delayed fashion). For example, half of the patients presenting to the hospital with bacteremia may have a normal WBC.
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why do you think it is important for a reaer to seperate the facts from the opinions when reading an autobiogrphy
It is important to distinguish between fact and opinion because a fact is a truth based on evidence, while an opinion is a view that is not based on checkable evidence.
A fact is a reality supported by evidence, whereas an opinion is a belief that is not supported by verifiable data, hence it is crucial to distinguish between the two. People form their own opinions about a subject using facts. Opinions may be biased and evaluated according to who is expressing them. When reporting a story, journalists frequently employ a combination of facts and people's opinions. The facts can be used by readers to learn more about the story, and the opinions can help them establish their own conclusions. When making purchases, customers also combine facts and opinions. For instance, if a person is looking for a vegetarian restaurant, they will need to know if the establishment is vegetarian. However, they may also utilize user evaluations to choose whether to make a reservation.
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explain why soils located near clear-cut forests might differ from soils located near intact forests
The soils close to clear-cut woods may be different from the soils close to intact forests because Clear-cutting increases the likelihood that carbon stored in forest soils will return to the atmosphere as carbon dioxide and contribute.
What is meant by soils?Soil, a loose surface substance, covers most of the ground. Both organic and inorganic components make up its composition. Soil not only provides agricultural plants with water and nutrients, but also the structural support they require to develop. Soils have a wide range of chemical and physical features. Sand, silt, and clay are the three main types of soil that may be distinguished based on their textures. Depending on how much of each of these elements is present, there are more complex types of soil, including loamy sand, sandy clay, silty clay, etc.
How soil is formed?They are created from rocks (the parent material) by weathering and erosive forces of nature. Parent material is broken down by water, wind, gravity, temperature change, chemical reactions, living things, and pressure variations.
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what are usually the primary producers in an ocean grazing food web? what are usually the primary producers in an ocean grazing food web? fungi plants phytoplankton animals
Primary producers are photosynthetic organisms (plants and/or phytoplankton) that make up the base of the food chain in many ecosystems. Herbivores are the principal consumers—the critters that eat the primary producers.
The base of the aquatic food web is composed of primary producers, which include bacteria, phytoplankton, and algae. Primary producers don't require food because they can create their own energy. Microorganisms called phytoplankton, which includes protists like algae & diatoms, are the ocean's main producers. Planktonic organisms, such as protists and tiny animals, make up the bulk of marine consumers. Bacterial species do the majority of the decomposition, allowing nutrients to return to producers.Primary producers are photosynthetic organisms (plants and/or phytoplankton) that make up the base of the food chain in many ecosystems. Herbivores are the principal consumers—the critters that eat the primary producers. In a terrestrial environment, organic matter is home to primary producers. They exist and develop where there are resources to support them since they are immobile. Green plants, fungi, moss, bacteria, & algae are the main producers.
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why are single-nucleotide polymorphisms (snps), which have been associated with schizophrenia and bipolar disorder, currently not used to diagnose either of these disorders?
Genetics. Schizophrenia runs in families, although no single gene is known to be to blame. It's more likely that distinct gene combinations render people more susceptible to the illness.
Only a few genes have been proven to be associated to schizophrenia. A mutation in the SETD1A gene clearly increases the risk of the disease. Other genetic variants linked to schizophrenia have minor impacts, whereas a single mutant copy of SETD1A is linked to a significant increase in disease risk.
Deletions or duplications of genetic material in any of several chromosomes, which might influence several genes, are also likely to raise schizophrenia risk. A minor loss (microdeletion) in a region of chromosome 22 known as 22q11 may be involved in a small percentage of cases.
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what is the correct sequence of events in viral reproduction? a.penetration, attachment, integration, biosynthesis, maturation, release b.endocytosis, uncoating, maturation, and release c.attachment, fusion, biosynthesis, maturation, and release d.attachment, penetration, biosynthesis, maturation and release
Answer:
d. attachment,penetration, biosynthesis, maturation and release
Is my writing correct
Answer:
Looks good. For Question 11. You can gramarly it so it your writing can sound better helps me I hope you get a good grade!!
Explanation:
which response would likely not be observed in a person injected with epinephrine? group of answer choices increased response of heart muscles activation of g proteins increased glucose mobilization faster heart rate sudden feeling of fatigue
Activation of g proteins (b) is a response would likely not be observed in a person injected with epinephrine.
Epinephrine, which is released into the circulation in response to strong emotions like fear or anger, speeds up the heartbeat, muscles' ability to contract, blood pressure, and sugar metabolism. The body is prepared for rigorous exercise through this reaction, sometimes referred to as the "Flight or Fight Response."
In addition to the hormone's binding to membrane-bound beta-receptors, epinephrine also increases muscle twitching by activating the second messenger, cAMP. Following that, cyclic AMP serves to enhance glucose metabolism, modify sodium/potassium exchange, phosphorylate myosin isozymes, and/or modify intracellular calcium exchange.
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How might agricultural ecosystems be affected by an increase in atmospheric carbon dioxide?
The majority of plant species exhibit faster rates of photosynthesis, increased growth, decreased water usage, and decreased tissue concentrations of nitrogen and protein when exposed to rising CO₂.
What are agricultural ecosystems?Agriculture productivity and food quality are projected to be impacted by rising CO₂ throughout the coming century.
The process of cellular respiration, which produces energy in cells, depends on oxygen, making it a crucial element for growth.
Therefore, plant species exhibit faster rates of photosynthesis, increased growth, decreased water usage, and decreased tissue.
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To examine meiosis in ferns, you would study __________.
A
the antheridia
B
the archegonia
C
both the antheridia and the archegonia
D
both the archegonia and the sporangia
E
the sporangia
Option -E: To examine meiosis in ferns, you would study the sporangia. A sporangium is a structure in certain plants and other organisms that is charged with making and storing spores.
Spore mother cells divide within the sporangia to produce spores. The spores are produced by a type of cell division known as meiosis. A single diploid parent cell divides to produce four haploid daughter cells during meiosis. Meiosis is a type of cell division that occurs in sexually reproducing organisms and results in a reduction in the number of chromosomes in gametes.
Meiosis, also known as "reduction division," reduces the number of chromosomes to half the normal number so that when sperm and egg fuse, the baby has the correct number.
Meiosis occurs in primordial germ cells, which are distinct from the body's normal somatic cells and are designed for sexual reproduction. A germ cell goes through interphase, which is when the entire cell replicates in preparation for meiosis.
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what substances do you use to blank a fire
Answer:
Three types of extinguishing agents are typically used—carbon dioxide, dry chemicals, and foam water for fires involving flammable liquids, greases, and oils. Carbon dioxide is a compressed gas agent that prevents combustion by displacing the oxygen in the air surrounding the fire.
FILL IN THE BLANK. a cell with one set of chromosomes would be termed a ________________ cell.
Answer:
haploid
Explanation: a haploid cell only contains one set of chromosomes
in gene expression in eukaryotes, the primary transcript is transported unchanged directly to the cytoplasm and is ready for translation. State True or False your answer:
a. True
b. False
During a class practical form four students came across a plant whose flower floral parts were in multiples of four and fives.To which sub-division and class dass the plant belong?
Organs in eudicots are typically grouped in multiples of four or five.
What are eudicots?Eudicots, also known as dicots, are named after their two cotyledons. Cotyledons are the first fleshy leaves that grew around the embryo.
The eudicots, Eudicotidae, or eudicotyledons are a clade of flowering plants distinguished by the presence of two seed leaves upon germination. Dicotyledons is the source of the term.
Eudicot organs are typically organized in groups of four or five.
Thus, as the given plant have flower floral parts in multiples of four and fives, it can be considered in dicot category.
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Incomplete dominance is a____inheritance pattern. it states that neither trait is____. the traits appear to blend together.
Non-Mendelian, dominant/recessive.
Incomplete dominance is a Non-Mendelian inheritance pattern. it states that neither trait is dominant/recessive. the traits appear to blend together.
Incomplete Dominance:
When both alleles of a gene are only partially expressed at a locus, it is known as incomplete dominance. This sort of gene interaction frequently produces an intermediate or distinct phenotype. Additionally called partial dominance.
For instance, the gene for the colour red predominates over the allele for the colour white in roses. However, the heterozygous blooms that carry both alleles are pink.
Because neither of the two alleles is totally dominant over the other, incomplete dominance results. This leads to a phenotype that combines both of them.
In the case of incomplete dominance, the ratio of red, white, and spotted flowers in the F2 generation from heterozygous plants will be 1:2:1.
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Answer:
Incomplete dominance is a
✔ non-Mendelian
inheritance pattern. It states that neither trait is
✔ dominant
. The traits appear to blend together.
Explanation:
edge
individual nucleic acids are linked together in the dna backbone by phosphodiester linkages between nitrogenous bases. true or false
It is True that individual nucleic acids are linked together in the DNA backbone by phosphodiester linkages between nitrogenous bases.
A nucleotide consists of a nitrogenous base, a phosphate group, and a pentose sugar (ribose in the case of RNA and deoxyribose in the case of DNA). Purines (Adenine and Guanine) and Pyrimidines (Cytosine and Thymine) are the two kinds of nitrogenous bases. A nucleoside is formed when a nitrogenous base and the pentose sugar are linked by an N-glycosidic link. A corresponding nucleotide is produced when a phosphate group is linked to 5 -OH of a nucleoside via a phosphodiester linkage. A dinucleotide is made up of nucleotides connected by 3-5 phosphodiester links.
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what kind of activity uses cas9 to cleave target dna? a. hydrolase b. nuclease c. ligase d. transferase
The kind of activity that uses cas9 to cleave target dna is (b) nuclease.
With the use of the straightforward-yet-effective CRISPR/Cas9 genome editing technique, researchers may precisely delete, reorder, add, or modify nucleotides, among other genomic or epigenomic alterations in cells. With the help of these technologies, it is now possible to create animal models for lung disorders and study the consequences of mutations in lung cells made from human iPSCs. Teams are experimenting with the technique to modify disease mutations in iPSCs obtained from patients, differentiate them into different lung cell types, then engraft these cells into the original patient. In a related work, lung cells in animal models were successfully edited using CRISPR technology in utero, paving the way for in vivo editing of disease mutations.
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Which of the following statements about fossils is NOT true?
A. Fossils are clues to how Earth has been changing over millions of years.
B. Fossil records indicate the existence of transitional species.
C. The fossil record is now complete.
D. Fossils could be bones or imprints of ancient organisms preserved in rock.
Answer:
C. The fossil record is now complete
FILL IN THE BLANK. _________, account for ________ of all known animal species.A. Vertebrates, animals without a backbone; 95%B. Invertebrates, animals with a backbone; 95%C. Invertebrates, animals without a backbone; 95%D. Invertebrates, animals without a backbone; 99%E. Vertebrates, animals with a backbone; 95%
Answer:
C. Invertebrates, animals without a backbone, 95%
Explanation:
Invertebrates, which are animals without backbones, account for around 95 to 97% of all animals. Vertebrates, animals with a backbone, only account for around 3 to 5%.
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which type of proteins move needed substances or waste materials through the plasma membrane?
Transport proteins help the plasma membrane transfer both necessary and unwanted molecules.
Proteins called "transport proteins" are responsible for moving materials across cellular membranes. In the membrane itself, transport proteins create a channel or a carrying mechanism that enables their substrate to move from one side to the other. Three different classes of transport proteins are involved in assisted diffusion: channel proteins, gated channel proteins and carrier proteins. A channel protein, a subclass of transport protein, functions as a pore in the membrane by rapidly allowing water molecules or tiny ions to pass. In order to move the specific solute being transported across the membrane, carrier proteins—also known as carriers, permeases, or transporters—bind the target solute and go through a sequence of conformational changes.
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