The Cas9 endonuclease, which breaks both strands of the DNA within the target sequence, is also bound to the CRISPR RNA molecule.
Explain about the eukaryotic cell?A nucleus and other membrane-bound organelles are found in the cells of eukaryotes, which are creatures. All mammals, plants, fungi, protists, and the majority of algae are eukaryotic organisms, as are many other types of life. Single cells or many cells can make up eukaryotes.
Aside from the mitochondria and the Golgi apparatus, eukaryotic cells generally have other membrane-bound organelles. Both algae and plants include chloroplasts. Organelles that are primitive may be present in prokaryotic cells.
DNA is tightly coiled around groups of histone proteins in eukaryotic chromosomes. Gene content is generally much higher in eukaryotic cells than prokaryotic cells. For instance, the DNA in a human cell must be compressed to fit inside the nucleus because it comprises about 2m, or 3 billion base pairs.
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if someone said that the inside of a cell is hollow what would you tell them to correct their misinterpretation
Answer: The cell is made up of different part such as the nucleus, mitochondria, etc.
Explanation:
How does cholesterol help stabilize the plasma membrane in hot and cold temperatures.
Answer:
through raising or lowering the melting point
Explanation:
In High temperatures, cholesterol stabilises the plasma membrane through raising the melting point, meaning the degree of fluidity is kept the same. In Low temperatures, cholesterol intercalates between the phospholipid bi-layer and therefore prevents clustering.
each chromosome in this homologous pair possesses a different allele for flower color. which statement about this homologous pair of chromosomes is correct?
The correct statement is the homologous chromosomes represent the maternal and paternal chromosomes.
These chromosomes represent maternal and the chromosomal pattern indicates the presence of two chromosomes. This represents the two sets of conversion materials used by Gan. From these descriptions, the chromosome composed of these two chromosomes is the chromosome in genetics, the SLAM model, we call the maternal chromosome, and the chromosome inherited from the father is called the paternal chromosome. So this is still a chromosome and colored. They are formed by DNA replication and non-systems, not Tacoma nonsense.
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Which description properly describes a step involved in cellular respiration?
Glucose is created, then the energy gained is transferred to the energy molecule.
Carbon dioxide and water are released after the energy molecule is charged.
Water is divided into carbon dioxide and glucose.
Oxygen is combined with ATP to energize it.
Did the quiz and A is incorrect.
Answer:
2nd choice
Explanation:
glucose+ oxygen gives water+ carbon dioxide + energy
A specialized cell in a tree leaf
what is this type of specialized cell?
A. Tracheid
B. Palisade cell
C. Guard cell
D. Osteocyte
Answer:
Palisade Cell
Explanation:
The leaf of a plant contains many different specialized cells. One example is the palisade cells, which form a layer near the top of the leaf. These cells are elongated, cylindrical in shape, and contain many chloroplasts.
compare and contrast promoter-proximal elements and the operator of the lac operon. what do they have in common?
Both are nearby promoter-located regulatory regions in the DNA.
What interacts with the promoter-proximal components?The PSE-binding transcription factor particularly binds the proximal sequence element (PSE), which is present in small nuclear RNA (snRNA) genes that are transcribed by both RNA polymerase II (Pol II) and RNA pol III (PTF).
Enhancers or promoter-proximal elements?Proximal control elements are placed near the promoter, hundreds of nucleotides away from enhancers.Enhancers are DNA sequences, while transcription factors are proximal control elements.
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if a cell is placed in an isotonic medium, there will be no net movement of water.
There won't be a net migration of water towards the isotonic solution or the cell since the concentration of the solute and water are identical both within and outside the cell.
When cells are dissolved in an isotonic solution, what happens?If a cell is submerged in an isotonic solution, there won't be any net water inflow or outflow, and the volume of the cell will stay constant. If neither the solute concentration outside the cell nor the solute concentration inside the cell can cross the membrane.
What is the net movement of water in an isotonic solution?There won't be any net water flow into or out of the water when a cell is submerged in an isotonic solution. When a cell is put in a hypertonic solution, however, there will Water will be leaking from the cell on a net basis. Red blood cell formation will result from this.
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gene sequencing is used to identify the flu virus. why would you sequence the hemaglutinin or neuraminidase?
In order to effectively induce membrane fusion, the hemagglutinin-neuraminidase (HN) protein, which is in charge of virus attachment, interacts with the fusion protein in a virus type-specific manner.
What distinguishes hemagglutinin from neuraminidase?The main distinction between hemagglutinin and neuraminidase is that while neuraminidase cleaves sialic acid from viral receptors to release the progeny viruses from the host cells, hemagglutinin binds with cell target cells' surface sialic acid promotes viral attachment to host cells.
What part does neuraminidase play in the influenza virus?Influenza Hemagglutinin (HA) glycoprotein is typically used by a viruses to bind to cell surface sialic acid receptors, and neuraminidase (NA) glycoprotein is used to cleave the receptor and release the virus.
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over – percent of plastic waste has never been recycled, and much of it ends up in oceans. scientists estimate that by 2050, ocean plastics will outweigh ocean – . a total of 9 billion tons of plastic has been generated since 1950, more than – for every person on the planet.
Over 90 percent of plastic waste has never been recycled, and much of it ends up in oceans.
Scientists estimate that by 2050, ocean plastics will outweigh ocean fish.
A total of 9 billion tons of plastic has been generated since 1950, more than one ton for every person on the planet.
What is Plastic waste?
Plastic waste is a form of waste that is made up of materials such as plastic bags, bottles, containers, packaging and other items that are not biodegradable. This waste is difficult to recycle and often ends up in landfills, oceans and rivers, where it can cause significant environmental damage.
What do you mean by Recycling?
Recycling is the process of converting waste materials into new, reusable materials. It is an important part of reducing our environmental impact and preserving natural resources. Recycled materials can be used to create new products and reduce the need for raw materials.
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What is the frequency of a wave that has a velocity of 2m/s and wavelength of 12m/s
Answer:
The answer should be 0.1666667 but there is some problems with your question, A Wavelength cannot be measured by meters per second usually.
Explanation:
The reason why is because of how far wavelengths actually move and extend.
The primary difference between a community and an ecosystem is that an ecosystem includes . . .
A.biotic factors
B.abiotic factors
C.biosphere
D.populations
Explanation:
An ecosystem contains biotic and abiotic factors as well as populations.The only thing it does not contain is the biosphere because the biosphere actually contains all ecosystems where life exists.
Which choice accurately models transcription and translation of the following gene: ggc ctg gtt aaa tgg?.
DNA is copied during transcription by mRNA. The mRNA strand duplicates a DNA strand as DNA is "unzipped" in this process. MRNA then exits the nucleus after accomplishing this.
What exactly do DNA transcription and translation entail?Transcription, the process by which DNA is converted into RNA, and translation, the process by which RNA is used to create proteins
What kind of RNA is produced when a message is transcribed from DNA?By means of the transcription and translation processes, messenger RNA (mRNA) is a type of RNA that carries genetic information from DNA to protein.
The tRNA and 5S rRNA genes, in particular, are transcribed by RNA polymerase III. 5S rRNA and tRNA are produced by RNA polymerase III.
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The muscle group that helps the prime movers and protects from unwanted movements are known as.
The muscle group that helps the prime movers and protects from unwanted movements are known as Synergists.
Synergists are muscles that assist the prime mover in its role. Synergists help prime movers by adding a little extra force to the same movement or else by reducing unnecessary movements that might occur as the prime mover contracts. Synergistic muscle groups help prevent instability or unwanted movements.
Synergists muscle contract at the same time as the prime mover. They helps to hold the body in position so that the prime mover can work smoothly.
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The sodium-potassium pump requires a carrier protein that binds
three sodium and two potassium ions.
two sodium and three potassium ions.
one sodium and four potassium ions.
three sodium and four potassium ions
Active transport carrier proteins are sodium-potassium pumps.
The Correct Answer is : three sodium and two potassium ions.
What is Sodium-potassium pump (Na+/K+ pump)?Antiporters include the Na+/K+ pump. Na+ and K+ ions can bind to it at specific locations. The pump needs an energy source because the movement of these ions is opposed to their concentration gradients. In order to hydrolyze ATP into ADP, it attaches to it. Energy is thus released as a result. The pump modifies its form using this energy. The ions release from the pump following the conformational shift, but they do so in different directions. K+ ions are injected into the cell while Na+ ions are pumped out. The Na+/K+ pump plays a critical role in maintaining the potential of cell membranes and transmitting nerve impulses, making its role extremely important. Motor neurons' ability to operate normally can be interfered with by a lack of K+ ions, which will cause the target.Motor neurons' and consequently the target muscles' functionality may be compromised by a lack of K+ ions.To Learn more About sodium-potassium pumps refer To:
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what are the columns of muscle produced by the extension of the epimysium into the body of the muscle called?
The epimysium spreads into the muscular body, generating muscle columns known as fascicles. The epimysium is a connective tissue layer that surrounds and protects muscles. It is made up of thick regular connective tissue and collagen fibers organized in a basket-weave pattern.
Fascicles are groupings of muscle fibers that are joined together by a sheath of connective tissue and are important for a muscle's overall structure and form. Fascicles are normally grouped cylindrically or parallelly, and their size, shape, and quantity vary depending on the kind of muscle. Fast-twitch muscles, such as those in the legs and arms, have fewer and bigger fascicles than slow-twitch muscles, such as those in the belly and back.
Because of the diversity in the number and size of fascicles, the muscle may create varying amounts of force and contraction speed. Muscle fibers, which are bundles of individual muscle cells, make up fascicles. The endomysium is a thin layer of connective tissue that surrounds each muscle fiber.
The endomysium protects the muscle fiber while also allowing it to glide easily over adjacent fibers. This enables the muscle to contract and relax more effectively.
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if frog eggs taken from a freshwater pond are placed in a saltwater aquarium, what will most likely happen?
when the bladder contains 400 to 500 ml of urine, this is referred to as specific gravity. anuria. renal clearance. functional capacity.
A bladder containing 400 - 500 ml of urine is referred to as functional capacity.
Urine is defined as excess liquid waste products of metabolism in human as well as other animals. The kidneys filter nitrogen rich human metabolism byproducts such as urea and creatinine from blood, then transport it to the ureters, then the urine is excreted from the body via urethra. In order for micturition (a process of excretion of urine from the bladder) to happen, the bladder must maintain a functional capacity at a level of 400 - 500 ml of urine stored inside it, after which the excess level of liquid will be excreted from the body.
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Which action is taking place at the apical meristem of a plant stem?
A. Mature cells differentiate into specialized cells.
B. The plant's oldest cells rapidly divide to extend the stem.
C. A cluster of tiny, unspecialized cells continuously divide.
D. Cells die off and form a barrier that protects new cells.
Answer: C
Explanation: The apical meristem is a region at the tip of a plant's stem or root that contains a cluster of tiny, unspecialized cells called meristematic cells. These cells are capable of dividing rapidly, allowing the plant to grow in length. As the cells at the tip of the stem or root differentiate and mature, they become specialized for different functions, such as photosynthesis or support. The apical meristem is responsible for the primary growth of a plant, which is the growth in length that occurs during its early stages of development.
you find an animal with a bilateral larval form but what appears to be a radial adult form. which taxa would you presume it to belong to?
Answer:
Cnidaria
Explanation:
the pancreas secretes digestive enzymes and hco3− into the small intestine to break down food and neutralize acidity.
The statement 'the pancreas secretes digestive enzymes and HCO3 into the small intestine to break down food and neutralize acidity' is true.
The pancreas can be described as the organs that secrete digestive enzymes as well as bicarbonate ions into the small intestine in order to facilitate the process of digestion. Apart from this, the pancreas also secretes hormones into the blood.
In the digestive juice that is produced by the pancreas, there are enzymes that break down carbohydrates, proteins, and fats all of which are majorly present in the food that we consume. The bicarbonate is produced in order to neutralize the acidity that was produced in the stomach as the stomach has a high concentration of HCl.
Although a part of your question is missing, you might be referring to this question:
The pancreas secretes digestive enzymes and HCO3− into the small intestine to break down food and neutralize acidity. true or false
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Which is TRUE regarding the Yellowstone ecosystem in Wyoming?
[LS2-1, LS2-2]
A. abiotic factors like weather have no impact on this ecosystem
B. the main herbivores on the island are elk
C. the wolves in the park have many choices of prey species
D. the ecosystem here has only been studied for a few years
Answer:
(B) is true.
Explanation:
The most prevalent big mammal in Yellowstone is the elk. Elk, the term for moose in Europe, was used to characterise the animal by European immigrants in North America (causing great confusion for European visitors). Elk is also known by the Shawnee term "wapiti," which means "white deer" or "white-rumped deer." Elk in North America are regarded as belonging to the same species as red deer in Europe.
Elk are consumed by wolves, therefore when they disappeared, the elk population skyrocketed. The park had very few young aspen trees because the elk consumed young aspen trees.
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WILL GIVE BRAINLIST TO FIRST PERSON WHO ANSWERS !!!!!
Compounds Lab Report
Instructions: In this virtual lab you will build chemical compounds from known elements. Record your hypothesis and compound results in the lab report below. You will submit your completed report to your instructor.
Note: If you cannot complete this lab as directed, please contact your instructor for assistance.
Name and Title:
Objectives(s): The purpose of this virtual lab was to use different elements and make chemical compounds.
Hypothesis:
I can create five new compounds using oxygen, hydrogen, and carbon in about four minutes.
Procedure:
The amount and sorts of elements I chose for my compounds are the independent variables. The types of chemicals created are the dependent variable.
Data:
Record the composition of each of your compounds below. Be sure to include the number of atoms for each element. An example has been supplied for you.
Compound Name
Chemical Formula
Sodium (Na) Atoms
Calcium (Ca) Atoms
Hydrogen (H) Atoms
Oxygen (O) Atoms
Carbon (C) Atoms
Chlorine (Cl) Atoms
Ex: Sodium
hypochlorite
Water
Glucose
Formic
Botanic Acid
Carbon Dioxide
Carbon Monoxide
Fructose
Conclusion:
Your conclusion will include a summary of the lab results and an interpretation of the results. Please answer all questions in complete sentences using your own words.
Using two to three sentences, summarize what you investigated and observed in this lab.
Why do you believe knowing how elements and compounds react together is essential in everyday matters?
Some elements are more "reactive" than other elements; why do you think this is?
Choose one of the compounds from the table and explain how you know the numbers of atoms in your formula.
Is it possible for two different compounds to be made from the exact same two elements? Why or why not? With a limited number of elements (less than 120 are known), does this mean we also have a small number of compounds or do we have a large number of compounds in this world?
Here you go buddy!
Hypothesis and Conclusion
Using two to three sentences, summarize what you investigated and observed in this lab.
In this lab, we created five new compounds using oxygen, hydrogen, and carbon. We observed the chemical formulas and the number of atoms of each element in each compound.
Why do you believe knowing how elements and compounds react together is essential in everyday matters?
Knowing how elements and compounds react together is essential in everyday matters because it helps us understand the chemical processes that occur in the world around us. This knowledge allows us to predict the outcomes of chemical reactions and design new compounds with specific properties and uses.
Some elements are more "reactive" than other elements; why do you think this is?
Some elements are more reactive than other elements because they have a higher tendency to gain or lose electrons, forming chemical bonds with other elements. This can be due to differences in their atomic structure, such as their number of valence electrons or their electron configuration.
Choose one of the compounds from the table and explain how you know the numbers of atoms in your formula.
For example, let's choose glucose as one of the compounds from the table. We know that the chemical formula of glucose is C6H12O6, which indicates that it contains six carbon atoms, twelve hydrogen atoms, and six oxygen atoms. This information is provided in the table and is derived from the chemical formula of the compound.
Is it possible for two different compounds to be made from the exact same two elements? Why or why not? With a limited number of elements (less than 120 are known), does this mean we also have a small number of compounds or do we have a large number of compounds in this world?
Yes, it is possible for two different compounds to be made from the exact same two elements. This is because the arrangement of atoms in a compound determines its chemical properties and structure, and different arrangements of the same elements can produce different compounds. For example, water (H2O) and hydrogen peroxide (H2O2) are made from the same two elements, hydrogen and oxygen, but have different chemical properties and structures. Despite the limited number of elements known, there is a large number of possible compounds that can be formed by combining these elements in different ways. This is because the number of possible compounds increases exponentially as the number of elements increases.
PLEASE ANSWER ASAP
Explain why it is important that FSH is not secreted during pregnancy.
Answer:
During pregnancy, serum FSH concentrations are quite low due to the inhibitory effects of the elevated concentrations of estrogen and progesterone on the hypothalamus and the pituitary gonadotropes.
What takes place in a cell’s mitochondria?
Explanation:
The mitochondria is called the powerhouse of the cell because it is responsible for producing most of the cell’s energy, or adenosine tri-phosphate (ATP). The mitochondria converts chemical energy from the food we eat into an energy form that the cell can use. This process is called oxidative phosphorylation.
Answer:
Known as the “powerhouses of the cell,” mitochondria produce the energy necessary for the cell's survival and functioning.
Explanation:
Mitochondria, using oxygen available within the cell convert chemical energy from food in the cell to energy in a form usable to the host cell. The process is called oxidative phosphorylation and it happens inside mitochondria
i hope this helped
What takes place in a cell’s mitochondria?
A:protein synthesis
B:photosynthesis
C:cellular respiration
D:DNA replication
Answer:
C: cellular respiration
Explanation:
It's when which energy is released from the foods such as sugars into the cell.
The development that freed vertebrates from water for reproduction and allowed them to radiate into diverse terrestrial environments was the _____.
Answer:
Ecdysis
Explanation:
The innovation that freed vertebrates from being tied to water for reproduction and allowed them to radiate into diverse terrestrial environments was the development of A. ecdysis.
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.Which essential molecule in the body is out of equilibrium because of a cftr gene defect?.
Mutations in the gene that codes for the cystic fibrosis transmembrane conductance regulator (CFTR) protein lead to cystic fibrosis.
Cystic fibrosis is brought on by mutations, or mistakes, in the cystic fibrosis transmembrane conductance regulator (CFTR) gene, which either prevent the production of any CFTR protein or cause it to be malformed and unable to carry out its essential cellular role.
The deletion of phenylalanine 508 (F508del) in the cystic fibrosis transmembrane conductance regulator is a mutation that has been linked to the disease (CFTR). The CFTR's first nucleotide-binding domain (NBD) contains the amino acid. Gating issues and faulty channel processing result from this mutation.
CFTR is a complex protein that is present on the cell surface membrane in a number of tissues and serves as a controlled chloride ion channel. On the apical membrane of the cells lining the airways in the lung, CFTR is present.
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All body cells in an organism have the same dna what makes blood, skin and bone cells different
Answer:
These cells are different because they use the same set of genes differently. So even though each of our cells has the same 20,000 or so genes regulation is how a cell controls which genes, out of the many genes in its genome, are "turned on" (expressed). Thanks to gene regulation, each cell type in your body has a different set of active genes.
Explanation:
order the steps in the clonal expansion of antibodies and the production of antibodies.
1. The Th cell detects the viral epitope presented by the b cell using its TCR.2. The Th cell's cytokines stimulate the B cell, which divides to form the memory and plasma cells.3. Antibodies produced by plasma cells can detect viruses.
What does clonal growth and selection mean?According to the hypothesis of clonal selection, random mutations that occurred during lymphocytes' initial maturation and proliferation led to unique antigen receptors developing on them before they were exposed to an antigen.Selected lymphocytes that have the required antigen receptor go through clonal proliferation after antigen presentation.
What causes clonal expansion to happen?The process through which daughter cells develop from a parent cell is known as clonal expansion.Many copies of the B cell that share affinity for and specificity for the same antigen are created during B cell clonal growth.
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