A type of vesicle that stores water, nutrients, and other chemicals is called a vacuole.
Vacuoles are known as membrane-bound organelles that can be found in both animals and plants. In a way, we can say that they are specialised lysosomes. It is to say that their function is really to handle waste products. Sometimes the waste product is water, and therefore a vacuole generally has its function to maintain the balance of water inside and outside a cell. In each organism, different genetics cause different proteins to be embedded in the membrane of the vacuole, which allow different molecules through, and gives the vacuoles different properties. Vacuoles are formed by the fusion of multiple membrane vesicles and are effectively just larger forms of these.
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Which of the following best explains the role that tRNA plays in protein synthesis?
The overall role of tRNA in protein synthesis is to decode a specific codon of mRNA, using its anticodon, in order to transfer a specific amino acid to the end of a chain in the ribosome.
In order to transfer a specific amino acid to the end of a chain in the ribosome, tRNA must first decode a specific codon of mRNA utilising its anticodon.
Transfer RNA, often known as tRNA, is a tiny RNA molecule that is essential for the production of proteins.Transfer RNA serves as a link between the messenger RNA (mRNA) molecule and the expanding string of amino acids that constitutes a protein (or adapter).
The tRNA retrograde pathway allows tRNAs to go from the cytoplasm to the nucleus and then back to the cytoplasm, despite the fact that tRNAs are involved in protein synthesis on cytoplasmic ribosomes.
Transfer RNAs (tRNAs) are adaptor molecules that provide amino acids to the protein synthesis machinery during translation in order to convert genetic information into protein sequences.
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who were the founders of ethology and when was it discovered
Ethology is the scientific study of animal behavior, and it was founded by two European biologists, Konrad Lorenz and Nikolaas Tinbergen.
Konrad Lorenz, an Austrian zoologist, ornithologist and ethologist, is considered one of the founders of ethology and is known for his work on animal behavior, particularly his research on aggression, imprinting, and the innate behavior of animals.
He published his first book, "King Solomon's Ring" in 1952, which was a popularization of his research on animal behavior. Nikolaas Tinbergen, a Dutch biologist, and ethologist is also considered one of the founders of ethology.
He is known for his research on animal behavior, particularly his study of instinct, and his work on the role of genetics and evolution in behavior. He published his first book, "The Study of Instinct" in 1951, which popularized his research on animal behavior.
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The Sun provides energy. Plants use the energy to make food. How do animals get energy?
Answer:
I hope this helps :)
Explanation:
Animals get their energy from plants or other animals. I attached an image of a energy pyramid to show how energy travels through the food chain and how energy is lost as heat as it travels up the food chain.
Which type of reproduction produces offspring that are clones with the exact same DNA as the parents?
Asexual reproduction produces offspring that are clones with the exact same DNA as the parents.
Asexual reproduction is a type of reproduction that does not involve the fusion of gametes or change in number of chromosomes. Asexual reproduction involves mitosis instead of meiosis. This type of reproduction is observed in both multicellular and unicellular organisms.
In the process, of asexual reproduction, only one parent is involved and there is no fusion of male and female gametes. Thus, the offspring produced are morphologically and genetically similar to parents. Therefore, they are called clones.
In asexual reproduction, the offspring are produced which are exact copies of their parent. Animals reproduce in two ways, sexually i.e., two parents are involved and asexually i.e., only one individual contributes genetic material.
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an organic compound that is made of one or more chains of amino acids and that is a principal component of all cells is
A protein is an organic compound that is made of one or more chains of amino acids and that is a principal component of all cells. Proteins play a variety of roles in the body, such as providing structure, catalyzing metabolic reactions, replicating DNA, responding to stimuli, and transporting molecules from one location to another. They are also responsible for many of the functions associated with life and are required for the structure, function, and regulation of the body's tissues and organs.
Answer:
Protein(s)
Explanation:
This is an organic compound that is made of one or multiple chains of amino acids.
Which one of the following makes use of RNA as a template to synthesize RNA? A Reverse transcriptase B DNA dependant RNA polymerase C DNA polymerase D RNA polymerase
'Reverse transcriptase'. We come to the conclusion that RNA embedded in DNA can be used by yeast cells as a template within the chromosome.
Reverse transcriptase (RT), an enzyme produced by the viral pol gene, replicates the HIV-1 RNA genome. To create a double-stranded DNA copy, RT utilizes the genomic single-stranded (+) RNA (ssRNA) as a template. Telomerase replicates an RNA template that is a component of the enzyme, whereas DNA polymerase and RNA polymerase use DNA as a template. In the life cycle of retroviruses and retrotransposons, reverse transcriptase employs RNA as a template; however, in vitro, it can use either DNA or RNA as a template.
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Why is my bone sticking out of my knee?
It is possible that you have a condition known as osteochondritis dissecans, which is a joint disorder caused by a disruption in the blood flow to the bone.
This can cause a piece of bone and cartilage to break loose and become exposed, leading to pain and swelling around the joint. It can also affect other joints, such as the elbow, ankle, and shoulder.
Treatment for this condition typically involves rest, physical therapy, and sometimes surgical removal of the loose bone fragment.
Osteochondritis dissecans is a condition that can cause pain and discomfort in joints, and can lead to long-term disability. It is most commonly seen in the knee joint, but can also affect other joints such as the elbow, ankle, and shoulder.
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The tendency for water molecules to stick or cling to another surface is called:A) solubilityB) adhesionC) cohesionD) reactivity
What is a type of polysaccharide?
Polysaccharides are a type of carbohydrate made up of multiple units of simple sugars (monosaccharides) linked together, examples include starch, glycogen, cellulose, chitin, hyaluronan, pectin, dextran, and xanthan gum, each with different properties, functions, and use.
A polysaccharide is a type of carbohydrate that is made up of multiple units of simple sugars (monosaccharides) linked together. Examples of polysaccharides include:
Starch: A polysaccharide found in plants that serves as a storage form of energy.Glycogen: A highly branched polysaccharide found in animals that serves as a storage form of energy in the liver and muscles.Cellulose: A structural polysaccharide that provides rigidity to plant cell walls and is indigestible by humans.Chitin: A structural polysaccharide that forms the exoskeleton of arthropods and the cell walls of fungi.Hyaluronan: A glycosaminoglycan that is a component of the extracellular matrix and provides lubrication and shock absorption in joints.Pectin: A polysaccharide found in the cell walls of plants, used to make jams and jellies.Dextran: A group of polysaccharides composed of glucose units linked by alpha-1,6 glycosidic bonds, used as a plasma volume expander and in chromatography.Xanthan gum: a polysaccharide produced by the fermentation of sugars by the microorganism Xanthomonas campestris, used as a thickener, stabilizer, and emulsifier in the food and other industries.To learn more about polysaccharides at
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Which statement does not represent an example of bioremediation?
1) Duckweed removes heavy metals from ponds and lakes.
2) Bacteria break down hydrocarbons in oil.
3) Ragweed plants remove lead from the ground around factory sites.
4) Ladybugs eliminate insect pests from plants.
The statement that does not represent an example of bioremediation would be the one that says that ladybugs eliminate insect pests from plants. Option 4.
What is bioremediation?Bioremediation is a process whereby living organisms are used to break down or remove pollutants from the environment. The living organism can be plants, animals, microbes, or a combination of 2 or more of the organisms.
In other words, duckweed removing heavy metals from ponds and lakes is an example of bioremediation. The duckweed is a living organism and the heavy metals are pollutants.
Bacteria breaking down hydrocarbons in oil is also an example of bioremediation. The bacteria is the living organism while the oil is the pollutant. The same is also applicable to ragweed plants removing lead.
The only option that does not represent bioremediation is ladybugs eliminating insect pests from plants.
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The statement that does not represent an example of bioremediation is as follows: Ladybugs eliminate insect pests from plants (option 4).
What is bioremediation?Bioremediation is the use of biological organisms, usually microorganisms, to remove contaminants, especially from polluted water.
Microorganisms like bacteria and fungi are the main role player when it comes to executing the process of bioremediation. Bacteria are the most crucial microbes in this process as they break down the waste into nutrients and organic matter.
Therefore, it can be said that option 4 is not among the examples that represents bioremediation.
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A patient says it hurts when he urinates, and he has blood in his urine. You would note that the patient has ... Option : A. dysuria and hematuria B. hematuria and pyuria C. uremia and cystitis D. dysuria and cystitis
A patient says it hurts when he urinates, and he has blood in urine. You would note that patient has : A.) dysuria and hematuria.
What happens in dysuria and hematuria?Hematuria is blood in the urine and dysuria is painful urination. Hematuria and dysuria are symptoms that indicate a urinary tract infection (UTI) or other conditions such as kidney stones, bladder cancer or prostatitis. Patient should be referred to healthcare provider for thorough examination and diagnostic tests to determine the cause of symptoms and to provide appropriate treatment.
The patient should provide urine sample for urinalysis and possibly a urine culture to check for infection. Other tests such as imaging studies or cystoscopy is needed to further investigate the cause of symptoms.
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How did dr kettlewell determine if moths lived longer than others
He kept track of how many times a bird discovered the moth. He discovered that birds were twice as likely to consume a light moth as a dark insect on dark tree trunks.
How do we know the moths in Kettlewell's experiment evolved?After a while, dark-colored moths came that matched the color of the dark tree and were readily hidden. The dark hue was generated by a mutation in the melanin gene, which is responsible for pigmentation, and the stress drove the peppered moths to develop.
What was Kettlewell's conclusion?Kettlewell came to the conclusion that the pollution from Birmingham's manufacturers generated industrial melanism, which darkened the color of the woods. As a result of the disguise, the moths with recessive features had a greater chance of surviving.
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which sentence best explains how green plants use the sun's energy quick pls
Answer:
Has to be about...
Explanation:
Photosynthesis,Leaves soaking the light energy from sun, and yes
(try to specify next time)
Answer:
Green plants uses the suns energy for food, but also uses it to photosynthesize, which is the process by which plants convert sunlight into chemical energy.
Explanation:
There are no sentences but i hope this helps!
Why must a virus enter a living cell in order to replicate?
To continue the chain of infection, viruses must undergo a replication process to create new infectious virions that can infect other cells in the body or subsequent hosts.
Viruses cannot replicate themselves, but rely on the host cell's protein synthesis pathways to do so. It usually does this by the virus inserting its genetic material into the host cell and selecting proteins to create a replica of the virus until the cell bursts out of a mass of new virus particles.
Replication occurs in the cytoplasm and is largely independent of cellular machinery. Because these processes (including copying RNA to make more RNA molecules) do not normally occur inside the cell, many virally-encoded enzymes essential for RNA replication and transcription are present in the particle. because it contains creature.
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Which of the following could increase genetic variation?
Multiple Choice
A. bottleneck effect
B. mutation
C. founder effect
D. genetic drift
E. natural selection
B. mutation the following could increase genetic variation. The main cause of genetic variation in a population is the process of mutation.
The term "mutation" refers to a random alteration of the DNA sequence that can take place during DNA replication or repair. Mutations can affect a single nucleotide base pair, longer DNA segments, the genetic code, or both. A population may develop new traits or features as a result of some mutations, which may be advantageous, neutral, or destructive.
By reducing the population's genetic variety and size, the bottleneck effect, founder effect, and genetic drift all have the potential to lower genetic variance in a population.
E. Genetic variety is not created by natural selection; rather, it can alter the relative frequency of various genetic variations in a population. It is a procedure that makes use of genetic variants that already exist.
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Does a cell need a host to survive?
A virus's primary function is to transmit its genome into the host cell, where it may be expressed (transcribed and translated) by the host cell. A virion is a completely constructed infectious virus.
However, parasites need a living host to survive. Bacteria and parasites can usually be killed with antibiotics. Viruses require host cells for genome replication. Viruses use host cells to carry out their replication and transcription processes.
Viruses are very small units that contain either RNA or DNA as genetic material. They are also smaller than most bacteria. Viruses are not fully recognized as organisms because they cannot survive outside their host. Viruses are small infectious agents that depend on living cells to multiply. It can use animal, plant, or bacterial hosts to survive and reproduce.
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the strongest-known natural material is found in which creature’s teeth?
a. sea snail
b. crocodile
c. shark
d. spider
The strongest-known natural material is found in which creature’s teeth is a. sea snail.
Scientists have these days found that sea snails of 1 variety, known as limpets, have the toughest enamel of any recognized organism. In fact, their enamel are the most powerful recogniZed organic substance ever! But while tested, the teeth cloth was, on average, approximately 5 instances more potent than maximum spider silk. This makes it the most powerful herbal cloth on Earth. The snail attaches itself to rocks with its foot and scrapes alongside the floor with its enamel to acquire algae to eat. As you could imagine, the creature desires strong chompers to perform this sort of feat. The power from the enamel comes from the mixture of chitin and a substance known as goethite.
Thus, option a is the correct choice.
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Which of the answer choices is a cellular response to signal transduction?
A) a change in the proteins found in the cytosol
B) a change in the activity of an enzyme
C) the release of signaling molecules from the cell
D) All of these choices are correct.
Many changes in the cell can result from signal transduction, ranging from changes in gene expression to the release of signals to communicate with other cells.
All of these alternatives are correct.
A modification of the proteins found in the cytosol.The cell's release of signaling molecules.An increase or decrease in the activity of an enzyme.The intracellular signal transduction pathways are the chains of molecules that are used to relay signals within the cell.
Signal transduction is the process by which a chemical or physical signal is transmitted through a cell as a series of molecular events, most commonly protein phosphorylation catalyzed by protein kinases, which results in a cellular response. Proteins that detect stimuli are commonly referred to as receptors, though the term sensor is also used in some cases.
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Why are they called frameshift mutation?
They are called frameshift mutations because these mutations result in a protein that doesn't make sense.
Mutations are changes in genetic material both at the gene and chromosome levels during DNA replication that can be passed on to offspring. Several types of mutations that occur in chromosomes, namely mutations that occur due to deleted and wasted chromosomes or are called deletions. While mutations due to the addition of nucleotides to the chromosome chain are called insertions.
Frameshift mutations occur due to the insertion or deletion of one or more new nucleotide bases. This causes a change in the nucleotide base sequence resulting in a nonsensical protein. This is cause each mRNA will be read out of the reading frame after the addition or insertion of a nucleotide base.
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When your cells use fat for energy, the fatty acids are broken up into molecules of acetyl CoA. Predict how many ATP can be made from one molecule of acetyl CoA if oxygen is present. Show your work. (Simple)
When cells use fat for energy, fatty acids are broken down into molecules of acetyl CoA through a process called beta-oxidation. This process occurs in the mitochondria, the site of cellular respiration. If oxygen is present, acetyl CoA enters the citric acid cycle, also known as the Krebs cycle, where it is fully oxidized to CO2, producing a total of 12 NADH and 2 FADH2.
NADH and FADH2 then transfer their electrons to the electron transport chain where they produce ATP. Each NADH generates 3 ATP and each FADH2 generates 2 ATP, thus:
12 NADH x 3 ATP/NADH = 36 ATP
2 FADH2 x 2 ATP/FADH2 = 4 ATP
Therefore, one molecule of acetyl CoA can produce a total of 40 ATP if oxygen is present.
Unit 3: Parallel and Perpendicular Lines
Homework 5: Slopes of Lines
Parallel and Perpendicular Lines in the given diagram The required slope for the lines is given below. Pot of line and points on the lines are given, we have to determine the slopes of the lines.
What is the slope?The slope of the line is a tangent angle observed by the line horizontal. i.e. m =tanx where x in degrees.
Slopes of the line can be given as,
m = [y₂ - y₁ ] / [x₂ - x₁]
for points, (-1, -11), (-6, -7)
m = -7 + 11 / -6 + 1
m = -4/5
Slopes of the line can be observed as
1.) 4/2 2.) -3/5 3.) 2/2
4.) Do not observe because the denominator becomes zero or perpendicular to the x-axis.
5.) -5/1
6.) zero because the line is parallel to the x-axis
7.) -4/5 8.) 1 9.) 0 10.) 3/4
Therefore, 11.) Do not observe because the denominator becomes zero or perpendicular to the x-axis, 12.) -9/4
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The given question is incomplete, so the most probably complete question is attached in the image below.
The stem cells that develop into olfactory neurons are labeled __________.
The stem cells that develop into olfactory neurons are labeled Basal Cells
The olfactory epithelium, a strip of neurons and supporting cells that covers about half of the nasal canals, is where olfactory information is transduced. (The respiratory epithelium covering the remaining surface acts mostly as a protective surface and lacks neurons.) The olfactory epithelium has a variety of unique cell types. The olfactory receptor neuron, a bipolar cell that develops a small-diameter, unmyelinated axon at its basal surface and conveys olfactory information centrally, is the most significant of these.
The receptor neuron produces a single process at its apical surface that develops into a knob-like protrusion from which many microvilli known as olfactory cilia emerge into a thick layer of mucus. Bowman's glands, which are secretory specializations found throughout the epithelium, create the mucus that borders the nose cavity and regulates the ionic environment of the olfactory cilia. The olfactory epithelium contains cells from two more cell groups as well: basal cells and sustentacular (supporting) cells. The nasal mucosa refers to the complete system, including the mucous layer, epithelium, neural cells, and supporting cells.
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The movement of genes from one population to another population is known as _____.
All answers are correct.
allele
gene pool
gene flow
The movement of genes from one group to another is referred to as gene flow.
The exchange of genetic information between populations is referred to as gene flow. This can occur through migration, where individuals move from one population to another and bring their genes with them, or through interbreeding between populations. Gene flow can have a significant impact on the genetic makeup of populations, introducing new alleles and changing the frequency of existing alleles in the gene pool.
Allele frequencies can change in local populations even while gene flow does not affect allele frequencies for a species as a whole. In the case of migration, the impact of the migrants on altering the genetic makeup of the resident population increases with both the number of migrants and the difference in allele frequencies between the resident and migrant populations.
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in the context of scientific inquiry, the words theory and hypothesis can be used interchangeably.T/F
In the context of scientific inquiry, words theory and hypothesis can be used interchangeably : false.
What are theory and hypothesis?Although words "theory" and "hypothesis" are occasionally used interchangeably, there is a significant difference between the two of them. Testable hypothesis is a proposition made to account for certain facts. Theory has wider scope and is conceptual framework that aims to explain how occurrences are related and makes it possible to predict further links.
Theory should be capable of yielding testable hypotheses, which, if confirmed by the facts, increases the theory's credibility. Before one is confident in the validity of theory, multiple related hypotheses need to be tested and verified.
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chromosome number is maintained mitosis or meiosis
Chromosome number is maintained mitosis
Mitosis is the process through which a cell copies and then segregates its chromosomes, forming two identical nuclei in preparation for cell division. Mitosis is commonly followed by the equal division of the cell's contents into two daughter cells with identical genomes.
Mitosis is the process by which one cell splits into two genetically identical daughter cells. The cell's chromosomes are copied and then distributed evenly across the two new nuclei of the daughter cells during the various phases of mitosis.
At the completion of interphase, the mitotic phase begins, which consists of mitosis and cytokinesis and results in the production of two daughter cells. Mitosis occurs before cytokinesis, however the two stages sometimes overlap.
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I served as both Vice President and President. During my presidency, I tried to maintain peace and I did not go to war with France. Who am I?
A. George Washington
B. Thomas Jefferson
C. Alexander Hamilton
D. John Adams
Answer:
D. John Adams
Explanation:
After several years of bitter political struggle at home, President Adams finally prevented war with France. Later he wrote: "There is one thing I would like to be remembered for more than anything else. I gave myself the task of making peace with France. And I succeeded."
0.00002 surface area of a cube
The surface area of the cube is 4 * 10^-10 m^2.
What is the surface area of the cube?The surface area of a cube can be found by multiplying the area of one face by the number of faces. The area of a single face can be found by finding the length of a side of the cube and squaring it
We know that the length of the cube can be given as 0.00002the surface area is l^2
Thus we have
SA = (0.00002)^2
= 4 * 10^-10 m^2
The cube from the calculation would have a surface area that is 4 * 10^-10 m^2
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explain the advantages of being eyeless in movile cave
1. they don't need eyes, the cave is pitch-black.
2. they rely on chemical reactions (ammonium and sulfate) to photosynthesize, so again, they don't need eyes to catch food.
3. Perhaps none of the organisms try to eradicate the others and instead focus on food. They're not wary of predators that way, and all of them rely on chemical compounds/formations
Good luck! ;)
Do plants use starch to store energy?
Yes, plants require starch to store energy. This is because it is easy for plants to store glucose in the form of starch.
In order to keep growing, plants need energy. They use solar energy to produce simple sugar glucose. Plants use extra glucose to make starch polymers. Because starch is insoluble in water and glucose is soluble. So to prevent them from being soluble in water glucose is therefore stored as starch. Plastids are used to store these starches.
The plants will use this starch when they require it. Plants require glucose for energy and the synthesis of other materials like cellulose. To construct cell walls, cellulose is employed. So whenever the plant needs energy it just hydrolyzes the starch into glucose.
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for an individual who is heterozygous for two genes, aa and bb, what does independent assortment predict?
For an individual who is heterozygous for two genes, aa and bb, independent assortment predicts that there will be four possible combinations of alleles that can be passed on to their offspring.
These combinations are AA, Aa, aA, and aa. Independent assortment is the process by which different pairs of alleles are passed on to offspring independently of each other. This is due to the random alignment of homologous chromosomes during meiosis I, which leads to different combinations of alleles in the gametes.
For example, if an individual is heterozygous for the genes A and B, then they have the genotype AaBb. During meiosis, the A and B alleles on homologous chromosomes can align in different ways and end up in different gametes. As a result, the offspring can inherit different combinations of alleles, such as AB, Ab, aB, or ab. This leads to genetic diversity among the offspring, which is a fundamental aspect of the process of evolution.
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