The translation process begins at a ribosome in the cytoplasm after the mRNA molecule exits the nucleus.
What transpires to mRNA when the strand is finished?The mRNA molecule detaches from the DNA template following termination. At this stage, the freshly generated mRNA goes through a process in which non-coding nucleotide regions, known as introns, are cut off of the mRNA strand, at least in eukaryotes.
What transpires after mRNA leaves the nucleus?mRNA travels to a ribosome, which is composed of proteins and rRNA, after leaving the nucleus. Translation occurs on ribosomes that are either attached to the rough endoplasmic reticulum or are floating in the cytoplasm.
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sympathethic preganglionic fiber that pass through sympathethic trunk ganglia to synapse in orevertebral ganglia is called
The sympathetic preganglionic cells (SPNs) are located within the spinal cord, and their axons travel via the ventral horn before emerging in the ventral roots, where they create synapses with postganglionic neurons.
Preganglionic fibres enter the ganglia chain in what way?The preganglionic neuron's cell body is located in the spinal cord, and its fiber exits through the anterior root of the cord to become a spinal nerve, which then goes through the white ramus to become a sympathetic ganglion.
Where do the preganglionic fibers travel on the nerve?Example of the Parasympathetic Nervous System Inquiry #1 Because they are situated inside or close to the effector organs, parasympathetic ganglia have lengthy preganglionc fibers and small postganglionic fibers.
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why does hormone 1 influence the action of gland a but not gland B or C
Answer:
Every activity in gland A is different from the activities in glands B and C.
The cells of glands B and C contain different receptors than the cells of gland A.
Each gland contains cells that have different base sequences in their DNA.
Explanation:
Please give the brainliest.
A nucleotide deletion early in the coding sequence of a gene would most likely result in __________.
A frameshift mutation, a nonsense mutation, several missense mutations, or a nonfunctional protein are the most likely outcomes of a nucleotide deletion early in a gene's coding sequence.
The reading frame downstream of the deleted base is changed when a nucleotide is removed from a gene. This results in the polypeptide chain being added with the wrong amino acids. the frameshift mutation that results from the deletion of a nucleotide in a DNA sequence, which typically results in an abnormal protein. While smaller deletions only affect a few nucleotides at a time, larger deletions can affect an entire gene or a number of nearby genes.
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determine whether the reproductive isolating mechanisms are prezygotic or postzygotic.
a. Habitat isolation
b. Prezygotic
c. Postzygotic
d. Hybrid sterility
e. Temporal isolation
f. Hybrid inviability
g. Gametic isolation
h. Hybrid breakdown
i. Mechanical isolation
j. Behavioral isolation
The reproductive isolating mechanisms are prezygotic or postzygotic both depending on the situation what the scenario is but mostly it is prezygotic.
Prezygotic barriers are reproductive barriers that prevent mating between species or hinder fertilization if mating occurs. Examples of prezygotic isolating mechanisms include geographical isolation, behavioral isolation, temporal isolation, and mechanical isolation. Postzygotic barriers are reproductive barriers that prevent hybrid offspring from surviving and reproducing. Examples of postzygotic barriers include hybrid inviability, hybrid sterility, and hybrid breakdown. Postzygotic effects are the evolutionary effects that result from the mating of two individuals of different species, resulting in hybrid offspring. These effects include changes in the phenotype, behavior, and fitness of the hybrid offspring, as well as changes in the gene frequencies of populations. Postzygotic effects can affect populations in a variety of ways, including changes in population size, structure, and dynamics.
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estella spilled tomato sauce on her shirt. when she washed her shirt, she noticed that the detergent she used contained enzymes. enzymes are added to detergents to break down proteins from food and other substances that may stain clothing. which would most likely inhibit the ability of the enzymes to remove the stain on her shirt? responses the amount of dissolved minerals in the water the amount of dissolved minerals in the water the type of fibers from which her shirt was made the type of fibers from which her shirt was made the temperature of the water the temperature of the water the fragrances in the detergent
That would most likely inhibit the enzyme's ability to remove stains on shirts is the temperature of the water. The workability of chemicals will by and large diminish when over a certain temperature since certain temperatures will disturb hydrogen bonds, particles, and different other bonds that exist. This prepare is called denaturation.
Why does an enzyme cease to function when it has become denatured?Denaturation changes the three-dimensional shape of the dynamic location of the protein, avoiding it from official to the substrate. Denaturation of chemicals causes bonds to be broken, structure to be disturbed and it stops working. This happens to chemicals when they are uncovered to extraordinary, unacceptable conditions, for occurrence, high temperatures or extraordinary pH levels.The complete atom and the dynamic location alter their shape, so that the substrate fits not and the chemical can not catalyze the response.
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The current decline of amphibian populations worldwide has been linked to a ________ fungus.
Answer:
Chytrid Fungus
Explanation:
The Chytrid fungus Btrachochytrium dendrobatidis was identified in amphibian populations about 20 years ago, and has caused death and species extinction at a global scale
Answer:
Chytrid
Explanation:
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The [chytridiomycosis panzootic] really happened fast and had significant impact in terms of the total number of species affected and it has had a lasting impact,” said Kelly Zamudio, the Goldwin Smith Professor of Ecology and Evolutionary Biology at Cornell, an expert on frogs of the Americas and the frog-killing chytrid fungus, and a co-author of the paper.
Though there is no treatment for chytridiomycosis, the international team of amphibian experts – led by first author Ben Scheele, an ecologist at the Australian National University – advocate for better biosecurity and reductions in wildlife trade to limit its spread.
The infection is primarily caused by Batrachochytrium dendrobatidis (Bd), a fungus discovered in 1998 that originated in Asia, according to genetic analysis. Decades prior to its discovery, the disease peaked globally in the 1980s, with a smaller peak in the early 2000s. Minimal losses from chytridiomycosis were reported in Asia, Africa, Europe and North America. A related pathogen – B. salamandrivorans, discovered in 2013 – has infected salamanders and newts of Europe and threatens diverse Salamander species if it were to arrive in North America.
While 192 species that have declined due to Bd continue to lose numbers, about 60 species have shown modest signs of recovery. However, those recoveries have occurred in isolated populations, rather than on a species level.
cells synthesize a variety of complex molecules to include proteins, nucleic acids, lipids and carbohydrates. a large majority of the molecules that cells make are proteins. which three organelles are most involved in synthesizing proteins?
The nucleus is one of the organelles involved in protein synthesis Ribosomes, Endocytic reticulum in rough (RER).
What is required for the production of proteins?The presence of various necessary components, such as an abundance of the 20 amino acids that make up the majority of proteins, is necessary for protein synthesis to take place. A group of enzymes that will participate in the process are another crucial element. Both DNA and ribonucleic acid (RNA), another type of nucleic acid, are necessary for life.
What is the primary mechanism behind protein synthesis?ATP serves as the energy currency for all internal cellular operations, including protein synthesis. Cellular respiration generates ATP, which serves as cellular energy.
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what is the name of the concept that, as a species, we must find a way to advance our survival and welfare without doing lasting damage to our environment?
Sustainable development is the name of the concept that, as a species, we must find a way to advance our survival and welfare without doing lasting damage to our environment.
Sustainable development is method when human societies meet their needs without compromising the strength of future generations to fulfill their needs.
Sustainability tells the needs of current generations without compromising the needs of future generations, they also ensure balance between economic growth, environmental and social well-being. Sustainable development always boost to conserve and enhance our resources.
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How doe the meaning of ""mutation"" differ in cience compared to in everyday language?
Alleles, or slightly different forms of the same gene, are produced as a result of mutation. Every individual is unique because of these minute variations in DNA sequence.
Does it make sense to consider the benefits and drawbacks of mutation?Depending on the context or location, mutational impacts may be advantageous, detrimental, or neutral. Most neutral mutations are harmful. Generally speaking, the effect of a mutation and its likelihood of being detrimental increase with the number of nucleotide sequences that are impacted by the mutation.
What results in mutation?Mutations can be the result of viral infection, exposure to mutagens, or mistakes in DNA replication in cell division. Somatic mutations, which occur in body cells rather than in eggs or sperm, cannot be passed on to offspring but germline mutations can.
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The offspring of two true-breeding parents that differ in a single character are called single-character hybrids, or.
The offspring of two true-breeding parents that differ in a single character are called single-character hybrids, or monohybrids.
True-breeding is the phenomenon where the parents transfer the similar characters they have to their offspring. This must be carried out for generations in order to be called true-breeding. True-breeding organisms are homozygous in their characters.
Monohybrids are the organisms that differ from each other by considering only a single character. For example if a plant is tall and the other is dwarf, then the two plant organisms are monohybrids. Two parent with monohybrid cross generally give rise to a offspring that is heterozygous for the trait.
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(b) A girl has blue eyes. Explain what her genotype must be.
A scientist finds what she thinks is a new species of rodent on a small pacific island. However, some similar-looking rodents inhabit some nearby islands. She mates the new rodent with the nearby rodents and gets viable but infertile offspring. Why?.
The new rodents probably derive from fairly recent ancestors that experienced dispersive allopatric speciation.
Speciation occurs when a group within a species separates from other members of its species and develops its own unique characteristics. Rodents evolved from a common ancestor with lagomorphs, forming the clade Glires.
It is also known that humans and rodents are formed separately from a common ancestor about 80 million years ago, while rats and mice diverged between 12 and 24 million years ago. In recent studies all three species share 280 large chunks of chromosomes these are virtually identical, suggesting that they are imperative.
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streptomycin is a broad-spectrum antibiotic that binds to ribosomes. which bacterial process does streptomycin inhibit?
This substance thereby disrupts the formation of the initiation complex between mRNA and the bacterial ribosome, preventing the start of protein synthesis.
Which microorganisms is streptomycin effective against?A monosubstituted aminocyclitol with a disaccharide connected makes up the pseudotrisaccharide streptomycin. 9–11 Streptomycin, in contrast to penicillin, inhibited both Gram-positive and Gram-negative bacteria as well as Mycobacterium tuberculosis.
Who or what does streptomycin combat?The first aminoglycoside antibiotic, streptomycin, was first isolated from the bacteria Streptomyces griseus. It now primarily functions as a component of a multi-drug regimen used to treat pulmonary tuberculosis. Multiple aerobic gram-negative bacteria are also susceptible to its extra activity.
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Water plants and
Choose.
can experience excessive growth if large quantities of
Choose.
is carried into bodies of water by run-off
Water plants and___algae____ can experience excessive growth if large quantities of___phosphorus____ is carried into bodies of water by run-off.
What are water plants ?Algae resemble aquatic plants, but they don't have leaves, stems, or roots. Through photosynthesis, which occurs when plants such as algae fix carbon dioxide from the atmosphere while exposed to sunlight to create organic carbon and release oxygen, both algae and aquatic plants are able to generate their own energy.
Aquatic plants and algae are autotrophic, meaning they can produce their own food, and they exist in the water.
Autotrophs are the only sources of energy and nutrients for all other living things. A lot of marine animals also use algae and aquatic plants as habitat. All animals rely on the oxygen that autotrophic organisms produce.
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Several processes are involved in generating rainfall or snow. First, water is ______ from oceans and moves into the atmosphere. Next, the moisture condenses into clouds which cool and release rain or snow as ______.
Answer:
Evaporated; precipitation
Explanation:
stochasticity or ______, prevents us from ever knowing exactly what a community is going to look like 100 years after a disturbance
We can never predict exactly how a society will appear 100 years following a disruption due to stochasticity or unpredictability.
What does biology's stochasticity imply?(1) Having to do with or being defined by chance, randomness, or probability. (2) Having or exhibiting unpredictability (s). (3) Referring to a set of observations that were randomly selected and were individually samples of different elements of a probability density function. (4) Taking place in a haphazard manner.
What is a stochastic instance?Numerous scientific models of systems and events that appear to fluctuate randomly involve stochastic. Examples include bacteria population expansion, electrical charge alterations caused on by thermal noise, or gas molecule motion.
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Why were mutations needed for the species of moth to survive during the industrial revolution in london?.
During the Industrial Revolution, mutations were needed for moth species to survive in London.
During the Industrial Revolution, pollution increased and white, light-colored trees darkened.Moths use the color of wood to hide from predators. At first, the moth was white in color.In Revolution, the white color of moths could not be camouflaged with curls. A genetic mutation caused by pollution causes the plumage color to change from white to grey-brown. The wings are easily camouflaged by trees and protect the moth from predators.Therefore, mutations lead to species evolution by changing their coloration and helping them survive.
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there are a large number of antibiotics that inhibit protein synthesis at 70s ribosomes found in bacterial cells but do not interfere with protein synthesis at the 80s ribosomes found in eukaryotic cells. some of these antibiotics bind to the smaller ribosomal subunit and interfere with the reading of the mrna code, whereas others bind to the large ribosomal subunit and inhibit the formation of peptide bonds. unfortunately, some of the antibiotics that inhibit protein synthesis in bacteria exhibit some toxicity to the eukaryotic host cells as well. what is the most likely reason for this toxicity to the host cell?
The most likely reason for the toxicity of certain antibiotics to the eukaryotic host cells is due to the fact that these antibiotics are not completely selective in their inhibition of protein synthesis.
These antibiotics may be effective in inhibiting protein synthesis at the 70's ribosomes found in bacterial cells, but may also tend to inhibit protein synthesis at the 80's ribosomes found in eukaryotic cells. not. This is because the 80's ribosomes found in eukaryotic cells are structurally so similar to the 70's ribosomes found in bacterial cells that antibiotics may not be able to distinguish the two. is. As a result, the antibiotic is able to bind to both 70's and 80's ribosomes, thereby inhibiting protein synthesis in both bacterial and eukaryotic cells.
This inhibition of protein synthesis in eukaryotic cells can result in toxicity to the host cell as the production of proteins required for normal cell function is inhibited. This can disrupt normal cellular processes, resulting in cell death and other adverse effects. To reduce the toxicity of a particular antibiotic to eukaryotic host cells, it is important to ensure that the antibiotic is selective in inhibiting protein synthesis.
This is accomplished either by designing antibiotics to target specific regions of the ribosome or by introducing chemical modifications into antibiotics that block their ability to interact with the 80's ribosomes found in eukaryotic cells. I can do it. By ensuring that the antibiotic only interacts with the 70's ribosomes found in bacterial cells, potential toxicity to host cells can be minimized.
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What kind of mutation might result in a the formation of the codon tga along the coding strand of dna?.
Nonsense mutation is the result in the the formation of the codon tga along with the coding strand of that dna
In genetics, a nonsense mutation is a point mutation in a sequence of DNA that results in a premature stop codon, or a nonsense codon in the transcribed mRNA, and in leading to a truncated, incomplete, and usually nonfunctional protein product A nonsense mutation occurs in DNA when a sequence change gives rise to a stop codon rather than a codon specifying an amino acid. The presence of the new stop codon results in the production of a shortened protein that is likely non-functional. This change at the genotypic level changed the amino acid coded (arginine to aspartate) and also changed the nature of amino acids (basic to acidic). This will change the protein coded for and the protein function. Change from ABC to ACC: ACC coding for stop codon/nonsense codon. This is called a nonsense mutation
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Cancer that has spread from one part of an organism to another location is called metastatic cancer. Treatment for metastatic cancer attempts to stop the cells from growing and developing. Which process is affected by the treatment?
Chemotherapy kills fast-growing cells with potent poisons. Since cancer cells reproduce faster than other cells, chemotherapy is most typically employed to treat it.
What is metastatic cancer?The spread of a pathogenic agent from an initial or main site to a different or secondary site within the body of the host is referred to as metastasis; however, the phrase is most commonly used to refer to metastasis caused by a malignant tumor. The newly abnormal areas are referred to as metastases in this case.
The vast majority of people who have metastatic cancer are exclusively treated with systemic therapies, which are treatments that are designed to destroy cancer cells wherever they may be located in the body.
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un-embalmed bodies are more difficult to casket because of question 19 options: a) damp, sticky skin b) loose floppy limbs c) seepage of fluids d) odor of the obdy
The loose, floppy limbs of un-embalmed bodies make casketing them more challenging.
Which one of these is a part of the direct cremation package?This package includes the fundamental assistance of the funeral director and staff, the conveyance of the body to the funeral home, a different cremation container, a basic cremation urn, and the cremation fee.
Are mouths stitched shut by morticians?No glue or stitching is used to close the lips or eyes. An "eye cap" is positioned above and beneath each eyeball during the embalming procedure. The eye cap aids in maintaining the shape of the eye even though the actual eyes may gradually become a little softer. For the lips to stay together, a cream resembling Vaseline is applied.
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ow would a pressure ulcer be classified if it involves a partial-thickness skin loss involving the epidermis and dermis, presenting as an abrasion or shallow crater?
A pressure ulcer will be classified under the second category: Partial thickness skin loss involving the epidermis and dermis, presenting as an abrasion or shallow crater.
A shallow open ulcer with a reddish-pink wound bed and no slough indicates partial dermis thickness loss. An intact or open/ruptured blister filled with serum is another possible symptom. presents as a superficial, glossy or dry ulcer that is free of bruises or slough. The terms "skin rips," "tape burns," "perineal dermatitis," "maceration," and "excoriation" should not be used to describe these conditions.
Category 3: Skin thinning to full thickness: full-thickness tissue loss Although bone, tendon, or muscle are not revealed, subcutaneous fat may be apparent. Slough may exist, but it does not conceal the extent of tissue loss.
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Select all that would be prokaryotes
Animal
bacteria
plant
fungus
protists
Answer:
bacteria
Explanation:
What is the transparent front part of the eye that covers the iris, pupil, and anterior chamber?.
Answer: The cornea.
Explanation:
Where did information processing become increasingly centered in terrestrial vertebrates?.
The forebrain is the part of the brain where information processing is increasingly concentrated in terrestrial vertebrates.
The forebrain, also called the forebrain, a region of the developing vertebrate brain. It includes the telencephalon, which contains the cerebral hemispheres, and the underlying diencephalon, which contains the thalamus, hypothalamus, thalamus, and hypothalamus. The forebrain is responsible for a variety of functions, including receiving and processing sensory information, thinking, sensing, generating and understanding language, and controlling motor functions. The two major divisions of the forebrain are the diencephalon and telencephalon. The forebrain is the largest part of the brain. It is divided into three main parts: the cerebrum, thalamus, and hypothalamus. In vertebrate brain anatomy, the forebrain or forebrain is the rostral (frontmost) part of the brain.
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what is one abiotic-abiotic interaction affected by the wildfires in California?
Answer:
Anthropogenic. Air pollution. Fire. Oil spills. Radioactive contamination.Climatological.Geophysical.Hydrological.Meteorological.why are there 46 chromosomes in body cells but 23 chromosomes in sex cells
This is due to the fact that each of our chromosomes is paired up, with one chromosome from each pair coming from each biological parent.
Why do sexual cells have fewer chromosomes than non-sex cells?Reproductive cells like sperm and eggs are referred to as gametes or sex cells. Chromosome count must be cut in half as gametes are created. Why? Gametes need to have half the number of chromosomes found in healthy body cells because the zygote has to have genetic material from both the mother and the father.
Meiosis, a form of cell division, makes sure that every generation of people has the same number of chromosomes. To create sperm and egg cells, a two-step process that cuts the number of chromosomes in half (from 46 to 23) is used.
This is due to the fact that each of our chromosomes is in a matched pair, with one chromosome from each biological parent inheriting each pair. As there are 23 pairs of these chromosomes in every human cell, our diploid number is 46 and our "haploid" number is 23. 22 of the 23 pairs have been identified as autosomes.
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Explain how salinity and temperature affect water density in the ocean
Answer:
As the temperature of water increases, it expands and becomes less dense. This means that warm water is less dense than cold water. On the other hand, as the salinity of water increases, the concentration of dissolved salts in the water increases. This makes the water more dense. So, if the temperature and salinity of the water are the same, the water will have the same density. However, if the temperature or salinity of the water changes, the density of the water will also change.
Which of the findings of the human genome project were contrary to initial expectations?.
Answer:
Which of the findings of the Human Genome Project were contrary to initial expectations? -The human genome contains fewer than 21,000 genes.
Explanation:
Less than 21,000 genes make up the human genome. Human genes with many exons have alternatively spliced variants in 93% of cases.
What is genome?Genome is defined as the entirety of a cell's DNA instructions.One small chromosome that is found in the mitochondria and 23 pairs of chromosomes that are present in the cell's nucleus make up the human genome. The genome is made up of all the DNA instructions that are present in a cell. One small chromosome that is found in the mitochondria and 23 pairs of chromosomes that are present in the cell's nucleus make up the human genome.
The first sequence of the human genome was the main goal of the Human Genome Project, a massive multinational scientific endeavor. The experiment demonstrated that human genomes are 99.9% identical, which paved the way for compiling a list of human genes and starting to comprehend the intricate dance involved in gene regulation.
Thus, less than 21,000 genes make up the human genome. Human genes with many exons have alternatively spliced variants in 93% of cases.
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what are the allele combinations in the potential gametes that can be produced by a parent with the ffee genotype?
Predicting a child's genotype. Find every conceivable allele combination for each parent in the gametes.
The dominant S and the dominant Y alleles are received by half of the gametes, and the recessive S and recessive Y alleles are received by the other half. 25% of SY, Sy, sY, and sy are each produced by each parent.
For the parent AaBb, there are four different gamete combinations that are feasible. The dominant A and the dominant B alleles are present in half of the gametes, whereas the recessive A and the recessive B alleles are present in the other half. 25% of AB, Ab, aB, and ab are each produced by each parent.
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