When a dna molecule is replicated, what is the relationship between the original strand and the newly formed strands of dna
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When DNA is replicated, the original strand is split into two new strands of DNA. These newly formed strands are complementary to each other, meaning that one strand contains the exact opposite sequence of the other.
This is due to the fact that the base pairs of DNA, A-T and C-G, are always linked together in the same way. As a result, the two new strands are mirror images of the original strand, or in other words, they are exact replicas of it.
Furthermore, these two strands will act as templates for the formation of two more strands, which are also exact replicas of the original strand. This process will continue until the original strand is completely replicated.
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Related Questions
both gpcrs and rtks choose one: a. are phosphorylated upon binding to signal by transphosphorylation b. activate a trimeric g protein c. are transmembrane proteins with an extracellular domain that binds a signal and an intracellular domain that acts to transmit the signal d. all of the above
Answers
Both GPCRs (G protein-coupled receptors) and RTKs (receptor tyrosine kinases) are transmembrane proteins with an extracellular domain that binds a signal and an intracellular domain that acts to transmit the signal (option c).
GPCRs are activated by ligands such as hormones, neurotransmitters, and sensory stimuli. RTKs are activated by growth factors and other signaling molecules,
Both GPCRs and RTKs have different mechanisms of action but they share a common structural feature, that is : they are both transmembrane proteins with the extracellular domain that binds signal and intracellular domain that acts to transmit the signal.
This allows them to relay signals from outside the cell to the inside of the cell, where they activate intracellular signaling pathways and ultimately leads to cellular response.
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Order them from top to bottom it’s the sun
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Convection zone, radiative zone, and core. The Photosphere, Chromosphere, Transition Region, and Corona make up the outer layers.
What are the sun's three layers?The core, radiative zone, and convective zone are the three main regions that make up the Sun's interior. At the center is the core. The nuclear fusion events that provide the Sun its power take place in this hotter area. The radiative (or radiation) zone is the next in line as we move outside.
The sun has seven layers, right?The largest body in our solar system is the Sun. Three core layers and four exterior layers make up its seven layers. The outer layers are made up of the photosphere, chromosphere, transition region, and corona, while the inner layers are made up of the core, radiative zone, and convection zone.
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Age-related changes associated with the cardiac system include which conditions? select all that apply.
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Age-related changes associated with the cardiac system includes the following conditions: (c) Endocardial fibrosis, and (d) Increased size of the left atrium.
Cardiac system is actually the cardiovascular system that functions to circulate blood to the whole body. It regulates the circulation of oxygenated blood from heart to the whole body and also the deoxygenated blood from the heart to the lungs.
Endocardial fibrosis is an endemic disease. In this disease thee occurs fibrosis in the apical endocardium of right ventricle, left ventricle, or both. A certain specific cause for the disease has not been identified. The disease can be caused due to infection from parasites, protozoans or due to inflammation.
The question is incomplete, the complete question is:
Age-related changes associated with the cardiac system include which conditions? Select all that apply.
Increase in the number of SA node cellsMyocardial thinningEndocardial fibrosisIncreased size of the left atriumTo know more about cardiac system here
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The plant hormone that triggers the withering of petals and stamens and promotes fruit ripening is
A. abscisic acid.
B. cytokinin.
C. gibberellin.
D. auxin.
E. ethylene.
Answers
The plant hormone that triggers the withering of petals and stamens while promoting fruit ripening is ethylene.
Correct option is E.
Abscisic acid is a plant hormone primarily involved in controlling processes such as seed dormancy, leaf abscission, and inhibition of cell division. It is produced in growing leaves and buds and is also found in fruits and seeds, where it performs a ripening and ripening-related functions. When abscisic acid accumulates in the reproductive organs, it causes the petals and stamens to wither and fall off.
It also triggers the ripening of fruits and vegetables by activating specific enzymes in the cells. Abscisic acid is also involved in other important processes like controlling leaf water stress through the stomatal closure and promoting bud dormancy. It primarily works in opposition to auxin, a plant hormone that stimulates fruits and leaf abscission.
Correct option is E.
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what happens if something in the scientific process doesn't go as planned
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Answer:
You take observations and record it in your data. And state that your hypothesis was wrong
2Ag(s)+S(s)→Ag₂S(s)
If 10.0 g Ag is reacted with 10.0 g S, is sulfur or aluminum the limiting reactant?
How many grams of Ag₂S will be produced?
Answers
To determine the limiting reactant, we need to compare the number of moles of each reactant.
First, we calculate the number of moles of Ag and S using their respective molar masses (Ag: 107.87 g/mol, S: 32.06 g/mol). For Ag: moles of Ag = mass of Ag / molar mass of Ag = 10.0 g / 107.87 g/mol = 0.0927 mol For S: moles of S = mass of S / molar mass of S = 10.0 g / 32.06 g/mol = 0.312 mol The stoichiometric ratio from the balanced equation is 2 moles of Ag to 1 mole of S. Since Ag is the limiting reactant, we use its moles to calculate the moles of Ag₂S produced. moles of Ag₂S = (moles of Ag / 2) = (0.0927 mol / 2) = 0.0464 mol Finally, we calculate the mass of Ag₂S produced using the molar mass of Ag₂S (247.8 g/mol): Therefore, 11.49 grams of Ag₂S will be produced.
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How does specific and latent heat of water affect land-sea breeze systems?
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Specific and latent heat of water influence land-sea breeze systems by causing temperature differences, leading to air pressure changes and wind circulation.
The specific and latent heat of water play a vital role in the formation of land-sea breeze systems. During the day, land heats up faster than water due to its lower specific heat capacity, creating a temperature difference.
This results in a pressure gradient, causing air to flow from the sea to the land as a sea breeze.
At night, the land cools down faster, reversing the pressure gradient and creating a land breeze.
Latent heat released during condensation further contributes to temperature differences, affecting the strength and development of land-sea breezes.
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I NEEDDD HELP IN NUMBER 17
Answers
Answer:
B I think it's the right answer good luck
.
What are the conditions that cause hail to fall?
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Onepage review on why understanding gas and vapors in a work setting is important and what we can do in our workplace to prevent accidents with gases and vapors.
Answers
Understanding gas and vapours in a work setting is incredibly important for workplace safety. Gas and vapours can contain noxious substances that, if exposed to, can lead to serious injury or health implications.
In order to prevent such accidents, employers must perform risk assessments in order to assess and identify any areas of risk and put in place control measures to limit them. If gas and vapours are used onsite, then suitable ventilation and extraction systems should be in place.
Employers should also ensure that their staff are aware of the potential risks associated with such substances and provide adequate training and instruction in how to work safely. Finally, employers should also check that any necessary personal protective equipment is provided and communications are in place to be able to notify relevant emergancy responders in case of an accident.
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a/an ______ is the loss of the normal rhythm of the heartbeat.
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The loss of the normal rhythm of the heartbeat is referred to as an arrhythmia.
An arrhythmia is an abnormal or irregular heartbeat, in which the heart may beat too fast, too slowly, or irregularly. This irregular heartbeat can cause complications, such as decreased blood flow, chest pain, and fainting.
It can also increase the risk of more serious conditions, such as stroke or heart attack.An arrhythmia can be caused by a variety of factors, such as heart disease, high blood pressure, electrolyte imbalances, or drug use.
Treatment options for an arrhythmia include medication, lifestyle changes, and surgery in severe cases.
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Streptomyces cerevisiae is treated with a low concentration of alpha-amanitin. The synthesis of which of the following will be inhibited?
A. mRNA
B. mRNA and tRNA
c. rRNA
D. tRNA and rRNA
E. tRNA
F. mRNA, tRNA, and rRNA
Answers
Treating Streptomyces cerevisiae with a low concentration of alpha-amanitin inhibits the synthesis of RNA molecules. The correct option is A
Alpha-amanitin is a toxin that specifically targets RNA polymerase II, which is responsible for transcribing mRNA and some non-coding RNA molecules. Therefore, the synthesis of mRNA is affected by alpha-amanitin treatment. Additionally, tRNA and rRNA synthesis can also be affected because they are transcribed by RNA polymerase III, which shares some subunits with RNA polymerase II.
However, the inhibition of tRNA and rRNA synthesis is typically observed at higher concentrations of alpha-amanitin. Overall, the inhibition of RNA synthesis can lead to a decrease in protein production and cellular growth.
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what is a DNA Synthesis
Answers
Answer: DNA synthesis is the biological process by which a deoxyribonucleic acid (DNA) molecule is created. In the cell, each of the two strands of the DNA molecule acts as a template for the synthesis of a complementary strand.
Explanation:
The primary function of the proximal tubule is secretion
a. true
b. false
Answers
The primary function of proximal tubule is reabsorption, selective reabsorption of useful substance by active transport. is false.
Nephron is basic functional unit of kidney.it consists of three parts-
The renal corpuscles
Filtering component
The renal tubule
The renal tubule is divided into -
1. Proximal convoluted tubule (PCT)
2. Loop of Henle
3. Distal convoluted tubule (DCT)
PCT has high capacity for reabsorption as it is lined up with cuboidal epithelial cells which have a brush border to increase the surface area on apical side.
It completes the reabsorption of water, glucose, amino acid and important anions, including phosphate and citrate because it is the sole site of transport of the filtered solutes. Also plays an important role in regulating acid-base balance by reabsorbing approximately 80% of filtered bicarbonate.
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You feel thirsty, so you drink a large glass of water. After drinking the water, the feeling of thirst goes away. What system is most responsible for sensing that there are low water levels in the body and letting you know that you need to drink water to maintain your homeostasis?.
Answers
The sense of the nervous system tells us the need to drink water and thus maintain our homeostasis.
When an individual is thirsty, a drink of water can be exceptionally fulfilling, but after the thirst has been extinguished, drinking more can be unsavory. The unused investigation uncovers the root of these encounters within the brain.
These brain circuits likely advanced to avoid individuals from drinking as well as much water, coming about in perilously moo sodium levels, the analysts detailed nowadays within the diary Procedures of the National Foundation of Sciences.
Brain ranges included in emotional decision-making lit up within the scanner when individuals drank in reaction to feeling parched, while locales included in controlling development kicked in when individuals constrained themselves to keep drinking after extinguishing their thirst.
Hypothalamus is involved in the thirst sense since receptors within the body distinguish an awkwardness of liquid and the need to recapture homeostasis.
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A particular organism has the following characteristics:
• It is single-celled.
•It does not have a nucleus or membrane-bound organelles.
•It is autotrophic, meaning that it makes its own food.
•It is able to replicate without a host cell.
Which of the following types of organisms is the type described above?
Answers
Answer:
Prokaryotic cells
Explanation:
hydrogen gas + oxygen gas =
water. what is the product of the reaction
Answers
Answer:
Water
Explanation:
In chemical reactions, the atoms in the reactants are rearranged to form the products.
Reactants vs. Products
The reactants in a chemical reaction are the substances that you began with. The products are the result of the reaction.
For example, in the question, you are given hydrogen and oxygen. Then, through a chemical reaction, water is created. The reactants (hydrogen and oxygen) are the compounds that are changing to create the product (water).
Finding the Products
The order that a chemical reaction is written is important. Unlike equations in math, you cannot arbitrarily change the left and right. The left side of a reaction will always contain the reactants, while the right side has the products. Since water is on the right, water is the product.
when two salamander species, the red-backed salamander and the valley-and-ridge salamander, occur without the other present, their jaw structures are identical, and they consume the same prey. however, when the two species co-occur, the red-backed salamander has a slower-closing, stronger jaw, while the valley-and-ridge salamander has a faster-closing, smaller jaw, and the two species consume prey of different sizes. which of the following is suggested by these observations? competitive exclusion preemptive competition a trade-off between growing fast and competing well character displacement submit
Answers
The observations suggest that the two salamander species have undergone character displacement when co-occurring in the same region.
When two salamander species, the red-backed salamander and the valley-and-ridge salamander, occur without the other present, their jaw structures are identical, and they consume the same prey. However, when the two species co-occur, the red-backed salamander has a slower-closing, stronger jaw, while the valley-and-ridge salamander has a faster-closing, smaller jaw, and the two species consume prey of different sizes. The observations suggest a concept known as character displacement.
Character displacement refers to the process by which two species have similar characteristics when they occur in different areas, but those characteristics diverge when they live in the same area, leading to niche differentiation. The concept explains the phenotypic differences that evolve as a result of competition, which reduces the fitness of the competing species. This may occur as a result of differences in resource requirements or because one of the species has a competitive edge that allows it to better compete with the other species.In the given scenario, the two salamander species, when present in the same region, consume different prey sizes and have different jaw structures, indicating that they have undergone character displacement.
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What is the function of carbohydrates?
A. To release energy
B. To build cell structures.
C. To store information.
D. To protect organs.
Answers
Which of the following compounds would give a positive Tollens test?a. An aldehyde.
b. Carboxylic acids.
c. Both aldehydes and ketones.
d. A ketone.
e. Alcohols.
Answers
The compound would give a positive Tollens test is a. An aldehyde.
The Tollens test is a qualitative laboratory test used to identify the presence of aldehydes. The test is performed by adding a small amount of silver nitrate solution to the compound being tested. If the compound is an aldehyde, a silver mirror will form on the inside of the test tube.
Carboxylic acids, ketones, and alcohols will not give a positive Tollens test. Therefore, the correct answer is a. An aldehyde.
In conclusion, the Tollens test is used to identify the presence of aldehydes, and the only compound that would give a positive Tollens test is an aldehyde.
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vitamin k can be synthesized by bacteria in the gut in the form of menaquinones, it is thought that it provides ________________portion of the human vitamin requirement.
Answers
Vitamin k can be synthesized by bacteria in the gut in the form of menaquinones, it is thought that it provides a Major portion of the human vitamin requirement.
Vitamin K :There are two forms of vitamin K, which is a fat-soluble vitamin. The most common type is phylloquinone, which can be found in green leafy vegetables like spinach, kale, and collard greens. Menaquinones, the other type, can be found in fermented foods and some animal products. Menaquinones can also be made in the body by bacteria.
Is vitamin K great to take ordinary?An essential vitamin is vitamin K. Broccoli, Brussels sprouts, and other leafy green vegetables all contain it. Males over the age of 19 should consume 120 milligrams per day and females over the age of 19 should consume 90 milligrams per day. While pregnant and bosom taking care of, 90 mcg ought to be consumed day to day.
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Describe how the rate at which molten rock material cools affects the size of the crystals formed in an igneous rock.
Answers
Answer:
When magma cools, crystals form because the solution is supersaturated with respect to some minerals. If the magma cools quickly, the crystals do not have much time to form, so they are very small. If the magma cools slowly, then the crystals have enough time to grow and become large.
Which relationship is correctly identified?
Mutualism; a monarch butterfly and viceroy butterfly look identical to confuse predators and potential mates.
Parasitism; a tapeworm lives in the small intestines of a human, causing the human to get sick.
Mutualism; the cuckoo bird lays its eggs in the nest of another bird, and the baby cuckoos destroy the other eggs.
Parasitism; a berry plant attracts birds to eat its fruit, and the birds spread the berry seeds through their biological waste.
Answers
Answer:
Parasitism; a tapeworm lives in the small intestines of a human, causing the human to get sick.
Explanation:
The true meaning of Parasitism is something that lives inside of something that can cause it to be sick or leave behind bacteria
In the food chain below, which is the producer?
grass
mouse
snake
hawk
Answers
Answer:
Grass
Explanation:
Grass is the producer in the given food chain.
Note : -
Grasses are green plants which synthesize food ( carbohydrate ) in presence of sun light in the process of photosynthesis. That's why grass is called producers.
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The only Producer among the given choices is ~
\({ \qquad{ \sf{ \dashrightarrow}}} \: \: \sf \:grass\)
What type of lens correct near-sightedness? (Myopia)
A. Converging (convex)
B. Converging (concave)
Answers
Answer:
B
Explanation:
microtubules start at the centrosome and then connect to the kinetochores, which are structures at the central region of chromosomes
Answers
Microtubules start at the centrosome and then connect to the kinetochores, which are structures at the central region of chromosomes. The centrosome is the main microtubule-organizing center (MTOC) in most animal cells, whereas plant cells lack a typical centrosome.
The two spindle poles are the central region of a chromosome where a kinetochore is connected. Microtubules are a type of cytoskeletal protein filament that plays a crucial role in the mechanics of cell division.
Microtubules, together with actin and intermediate filaments, form the cytoskeleton, which is the structural framework of the cell. Microtubules also transport vesicles and organelles, support cell shape, and mediate cell signaling.
They are also crucial in cell division, serving as a framework for the mitotic spindle, a structure that segregates chromosomes during cell division.
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if something has a high kinetic energy, what would the temperature and
motion of molecules most likely be?
A. high temperature, slow motion of molecules
B. low temperature, fast motion of molecules
C. high temperature, fast motion of molecules
D. low temperature , slow motion of molecules
Answers
what is antagonist it is a biology subject
Answers
Answer:
An antagonist is a molecule that binds to a target and prevents other molecules from binding
Explanation:
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The hospital record that documents diagnostic, therapeutic, and rehabilitation services of outpatients is the:a.discharge summaryb.ambulatory recordc.short stay summaryd. inpatient record
Answers
The record of hospital record that documents diagnostic, therapeutic, and rehabilitation services of outpatients is the ambulatory record.
Is designed to receive to sufferers on the quit of an workplace clinical go to as a precis of what befell all through the go to and to offer records and commands to manual their subsequent healthcare steps.
An ambulatory clinical record (AMR) is an electronically saved report of a patient's outpatient clinical records, which incorporates all surgical procedures and care that don't contain being admitted to a hospital.
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what triggers a b-cell to proliferate and differentiate, and what cell types/functions this creates
Answers
Creation of fully developed immune-competent B cells maturation. Maturity-dependent B-cell activation and differentiation into plasma cells and memory B cells.
B-cell production starts in the embryo and continues throughout life.Major locations of B cell maturation before birth include the yolk sac, foetal liver, and foetal bone marrow.Following birth, hematopoietic stem cells in the bone marrow produce mature B-cells (HSC).The HSC first divide to create lymphoid progenitor cells, and these cells subsequently differentiate and maturation into progenitor B-cells (pro B), which express a transmembrane tyrosine phosphatase known as CD45R and a signalling molecule known as Ig/Ig that is later identified linked with the membrane-bound antibody.Pro-B cells furthermore exhibit CD19 (part of co-receptor),CD43 (leukosialin), CD24 (heat stable), and C-kit are present on the surface of Pro-B-cell.To know more about b-cells check the below link:
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