in prokaryotic rna synthesis group of answer choices a unique series of three bases leads to termination the rho protein is always required for termination inverted-repeat sequences in the dna being transcribed can lead to termination the rate of incorporation of nucleotides is constant throughout the elongation process
Answers
The unique series of three bases, the termination codon, is the key factor that leads to termination of RNA synthesis in prokaryotes. The statement "a unique series of three bases leads to termination" is the most accurate regarding prokaryotic RNA synthesis.
In prokaryotes, termination of RNA synthesis (transcription) is often facilitated by a specific DNA sequence called the termination sequence or terminator. This sequence typically includes a unique series of three bases known as the termination codon or stop codon (e.g., UAA, UAG, or UGA). When the RNA polymerase encounters this termination codon during transcription, it signals the end of the gene or mRNA synthesis.
The other answer choices have some inaccuracies:
The rho protein is not always required for termination. Some terminators can cause termination independently of the rho protein, while others require the assistance of this protein.
Inverted-repeat sequences in the DNA being transcribed can indeed contribute to termination, but they are not the sole determinant. Other elements, such as the termination codon, are also necessary for termination.
The rate of nucleotide incorporation during the elongation process of transcription is not constant. It can vary depending on factors such as DNA sequence, the presence of regulatory proteins, and environmental conditions.
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Related Questions
Why are venus flytraps a plant not animal?
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Answer:
As photosynthetic plants, Venus flytraps do not rely on carnivory for energy but rather use the nitrogen-rich animal proteins to enable their survival in marginal soil conditions.
Don't know if i'm right but hopefully, lol
The Venus flytrap, a small perennial herb, is one of the most widely recognized carnivorous plant species on Earth. It occupies distinct longleaf pine habitats in the Coastal Plain and Sandhills of North and South Carolina.
You saw a coworker collapse to the ground. You checked the scene for safety, checked the person for responsiveness and breathing, and sent someone to call 911. What should you do next?
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You saw a coworker collapse to the ground. You checked the scene for safety, checked the person for responsiveness and breathing, and sent someone to call 911 therefore the next thing to do is to perform a CPR.
What is CPR?This is referred to as Cardiopulmonary Resuscitation and it is an emergency lifesaving procedure performed when the heart stops beating.
It consists of chest compressions often combined with artificial ventilation in an effort to manually preserve intact brain function until further measures are taken to restore spontaneous blood circulation and breathing in a person who is in cardiac arrest.
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In sexual reproduction, what helps to maintain genetic variation?
a. reduction division and fertilization
b.mitosis and fertilization
c. binary fission and fertilization
d. reduction division and mitosis
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Answer:
The answer is a because it will give you genetic variation
The answer is A.) reduction division and fertilization
I took the test got it correct
Because there are three different possible reading frames in a messenger RNA (mRNA) molecule, most mRNAs can be translated in a cell into three different proteins. true false
Answers
Answer:
False
Explanation:
In the genetic code, each triplet of nucleotides (i.e., each codon) determines one specific amino acid or one-stop codon. The genetic code is not overlapping, which means that the same letter in the genetic code (nucleotide) cannot be used for two different codons. There are 64 possible combinations of triplets of nucleotides, 61 of them determine amino acids, while three triplets determine stop codons (UAG, UAA, and UGA) that indicate the termination of translation. Moreover, the genetic code is also degenerate, which means that one amino acid can be coded by more than one codon.
What are 5 stages of protein synthesis?
Answers
Answer:
Activation of amino acids
Transfer of amino acids to tRNA
Initiation of a polypeptide chain
Chain Termination
Protein translocation
Just need the answers
Answers
The muscles engaged when pushing against a wall are labeled in the attachment.
What are the muscles engaged when pushing against a wall?When pushing against a wall, several muscles in your upper body and lower body are engaged. The specific muscles involved depend on your body position, the force of the push, and the duration of the activity.
However, some of the main muscles that are commonly engaged when pushing against a wall include:
Chest muscles (Pectoralis major): These muscles are located in the front of your upper body and are responsible for bringing your arms across your chest.Shoulder muscles (Deltoids): The deltoid muscles are located on the upper part of the shoulder and are responsible for moving your arms away from your body.Triceps: The triceps muscles are located at the back of your upper arms and are responsible for extending your arms.Core muscles: When pushing against a wall, your core muscles, including your abdominal muscles and lower back muscles, are engaged to stabilize your torso and prevent injury.Leg muscles: Your leg muscles, including your quadriceps, hamstrings, and glutes, provide the power to push against the wall and maintain your body position.Learn more about muscles at; https://brainly.com/question/29851880
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Complete question:
What are the muscles engaged when pushing against a wall?
How does osmosis of water occur across the cell membrane?Plz help I need it ASAP
Answers
Answer:
In osmosis, molecules cross the cell's plasma membrane to achieve equilibrium.
Explanation:
A bilipid layer called a plasma membrane typically surrounds cells. Here, lipid molecules are arranged tail-to-tail, with their heads facing outwards. The heads of the lipids, are water soluble, while the tails are insoluble. Proteins and cholesterol also help maintain membrane fluidity.
With the use of its transport proteins, pores and gated channels, embedded among the lipids the membrane maintains its concentration of substances through selective permeability.
Simple diffusion occurs in cells through plasma membranes as a means of passive transport. In osmosis, molecules of water move across the membrane, down their concentration gradient- i.e. they try to balance their concentration or number of water particles.
The water particles move from regions of high concentration to regions of low water concentration. Typically these 'destinations' or regions have large amounts of solute which contributes to the formation of this gradient.
Well it’s food science but yeah
Answers
Answer:
B
Explanation:
Answer:
B. When there's a high turnover rate among the staff
Explanation:
What experimental evidence led to the development of this atomic model from the one before it? A few of the positive particles aimed at a gold foil seemed to bounce back. The colors of light emitted from heated atoms had very specific energies. Equations were used to identify regions around the nucleus where electrons would likely be. Cathode rays were bent in the same way whenever a magnet was brought near them.
Answers
Few positive particles aimed at a gold foil seemed to bounce back is the evidence that is responsible for the development of atomic model. Rutherford performed an experiment in which alpha particles are allowed to fire on the gold foil.
Some of the particles bounced back which tell us that there are heavy particles present in the center of an atom.
Most alpha particles pass through the atom which tell us that there is a lot of empty space in an atom.
There is also a slight deflection that occur due to similar charge that tells us the element which is present in the nucleus has positive charge.
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Answer:
its A the other dude who answer was doing to much
Explanation:
Which organism is a herbivore?
Food chain showing grass, grasshopper, spider, bird, bacteria, and fungi connected with right arrows
spider
grasshopper
grass
Answers
Answer:
grasshopper
Explanation:
they eat only plants/grass
Answer:
grasshopper
Explanation:
they eat only plants/grass
Use the dichotomous key to identify the leaf pictured above.
Mimosa
White oak
Scarlet oak
American beech
Answers
Answer:
C. Scarlet Oak
Explanation:
USA Test Prep
A dichotomous key is an essential scientific means by which the various organisms can be identified by the observable traits and attributes. The dichotomous key contains various questions related to the group of organisms that can have those traits.
Scarlet oak is the leaf in the picture.
How to identify the leaf based on key?The leaf of the Scarlet Oak is of the simple type that is it does not have smaller leaflet divisions and is attached to the petiole or the stem of the plant.Only one leaf at a time is attached to the petiole and not in bunches. The leaf of the plant is lobed that is has various protrusions like pointed or round.The leaf of the plant is pointed at the tips and shows that it belongs to the Scarlet Oak plant.Thus, option C is correct.
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example of made up negative feedback loop
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Answer:
negative feedback loop involving insulin and glucagon help to keep blood glucose levels within a narrow concentration range. If glucose levels get too high, the body releases insulin into the bloodstream.
hope it help
Which of the following is a result of cells undergoing mitosis?
A. A muscle contracts.
B. Food is digested.
C. A scraped knee heals.
D. Sweat is produced
Answers
Therefore, the answer is; C, a scraped knee heals.
escherichia coli o157:h7 is a major cause of hemorrhagic colitis in the ___.
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Escherichia coli O157:H7 is a major cause of hemorrhagic colitis in the human population.
This strain of E. coli is particularly notorious for causing severe foodborne illnesses. Hemorrhagic colitis refers to an infection of the colon characterized by bloody diarrhea and abdominal pain. E. coli O157:H7 produces a toxin called Shiga toxin, which damages the lining of the intestines and leads to these symptoms.
The transmission of E. coli O157:H7 typically occurs through the consumption of contaminated food or water, with undercooked ground beef being a common source. Outbreaks have also been linked to contaminated produce, unpasteurized milk, and contaminated water sources. Effective food safety practices, such as proper handling, cooking, and hygiene, are crucial in preventing the spread of this pathogenic bacterium.
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What are characteristics of the tundra and what ecosystems are found there?
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The Arctic and the summits of mountains are home to tundra ecosystems, which are characterized by their lack of trees and harsh climates with little rainfall.
Snow covers tundra regions for the most of the year, but summer provides bursts of wildflowers.
Among all the biomes, tundra is the coldest. Tunturi, which means treeless plain in Finnish, is the root of the word tundra. It is renowned for its landscapes that have been shaped by frost, extremely low temperatures, limited precipitation, insufficient nutrients, and brief growth seasons. An organic substance that has died serves as a nutrition source. The two main nutrients are phosphorous and nitrogen. Phosphorus is produced through precipitation, while nitrogen is produced via biological fixation.
Characters of tundra includes:
climate that is really chillyLittle biological varietyBasic vegetation compositionDrainage restrictionsA brief period for development and reproductionDead organic substance that contains energy and nutrient Significant population fluctuationsTo learn more on tundra click,
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What characteristics or features does amoeba share with animal kingdom?
(pls list at least 2)
Answers
Describe how plants and animals each contribute to the survival?
Answers
Animals breathe in oxygen and emit carbon dioxide. Plants remove oxygen from the atmosphere while absorbing carbon dioxide. Animals can find food and refuge in plants.
A biotic community, or biota, made up of various plants, animals, and microbes coexists and is interconnected throughout the forest. There is direct or indirect interdependence between plants and animals. For instance, rodents eat plants and grains, and after being devoured by snakes, rats serve as a diet for eagles. Since the beginning of time, animals and plants have coexisted in a symbiotic connection. Just as plants provided the habitat for animals to thrive on land, animals also assisted plants in surviving by giving fertiliser through faeces and animal decomposition. Animals help pollinate plants and contribute carbon dioxide, which plants use as a source of energy. All these significant effects take place as a result of the interdependence of the plants and animals in the food chain.
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Two students are talking about what they learned in class. One says, "sex is biological, not socially constructed." Support or oppose the argument that sex is biological and not socially constructed. Use at least two course materials (articles, videos, podcasts, etc) to make your point.
Answers
Sex is a biological trait that refers to the observable physical and genetic characteristics that distinguish males from females. It is frequently assumed that sex is based on biological or genetic characteristics rather than social and cultural aspects.
The physical variations between males and females, such as genitalia and breasts, are some examples of sex differences. Thus, it is a biological characteristic rather than a social one. Both social constructionism and biological determinism, on the other hand, have opposing perspectives on gender. Biological determinism emphasizes that gender differences are inborn, while social constructionism emphasizes that they are socially produced. According to the social constructionism perspective, gender identity and the roles associated with it are the product of socialization and cultural expectations, whereas biological determinism focuses on innate biological differences and the impact of biology on gender.
The claim that sex is a biological trait and not socially constructed can be supported by two course materials. The article "Sex as Biological and Gender as a Social Construct" by Anne Fausto-Sterling argues that sex is a biological characteristic because it is based on genitalia and chromosomes, while gender is socially constructed. This article suggests that sex is primarily concerned with physical characteristics, while gender is linked to social and cultural expectations, which is consistent with the idea that sex is biological and gender is social.
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Mention three importance of soil organisms.
Answers
Explanation:
soil organisms which range in size from microscopic cells that digest decaying organic material to small mammals that live primarily on other soil organisms play an important role in maintaining fertility structure drainage and aeration of soil
4) What type of connective tissue is this? a) Elastic cartilage b) Areolar connective tissue c) Hyaline cartilage d) Adipose tissue I
Answers
Answer:
c Hyaline cartilage
because Hylaine cartilage have one or two nuclei
Hyaline cartilage is the type of connective tissue in this figure. So, the correct option is (C).
What are Connective tissues?Connective tissue is defined as the tissue that supports, protects and structures other tissues and organs in the body that also stores fat, helps transport nutrients and other substances between tissues and organs and helps repair damaged tissue. Connective tissue is made up of cells, fibers, and a gel-like substance.
Connective tissue can be divided into three categories:
1. Loose connective tissue,
2. Dense connective tissue,
3. Specialized connective tissue
The hyaline cartilage matrix is composed of type II collagen and chondroitin sulfate, both of which are also found in the elastic cartilage present at the sternal ends of the ribs, in the larynx, trachea and bronchi, and on the articular surfaces of bones. They contain more than one nucleus.
Thus, Hyaline cartilage is the type of connective tissue in this figure. So, the correct option is (C).
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Genetic information is transferred from DNA to?
Answers
to the cytoplasm by RNA
Explanation:
The genetic information is transferred from the nucleus to the cytoplasm by RNA (Ribonucleic acid).
Enzymes speed up the rate of reactions in living cells by
Answers
Answer:
reducing the activation engery
identify the highlighted portion of a lymph node where b cells proliferate and develop into antibody-producing plasma cells or memory cells.
Answers
The portion of a lymph node is the germinal center. This region is composed of a cluster of B cells and a few T cells. The germinal center plays an important role in the immune system as it is where B cells proliferate and develop into either antibody-producing plasma cells or memory cells.
When B cells encounter antigens, they move to the germinal center and receive stimulating signals which allow them to undergo somatic hypermutation. This random process increases the binding affinity of their antigen receptors and allows the B cells to become more specialized. After this process, B cells become either antibody-producing plasma cells or memory cells.
Plasma cells secrete large numbers of antibodies which attach to antigens and either disable or eliminate them. Memory cells stay in the germinal center for a longer period and can quickly respond if the same antigen invades the body in the future.
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Correct question is :
identify the portion of a lymph node where b cells proliferate and develop into antibody-producing plasma cells or memory cells.
How does the energy the reactants and products differ between an energy-absorbing reaction and an energy-releasing reaction?
Answers
Explanation:
Endothermic reactionIn an endothermic reaction, the products are higher in energy than the reactants. Therefore, the change in enthalpy is positive, and heat is absorbed from the surroundings by the reaction.
Which is the most important product of cellular respiration?
(A) ATP
BADP
C) NADH
D FADH₂
Answers
Answer:
A:
ATP
Explanation:
Science yeah
On Earth, water can exist as a solid, a liquid, or a gas. Why?
Α.
Earth is at an ideal temperature due to its distance from the Sun.
B.
Earth rotates counterclockwise as viewed from above the North Pole.
C.
Earth is shaped like a sphere and revolves around the Sun.
O
D.
The Moon takes about 27 days to revolve around Earth.
Answers
QUESTION 1 Exercise 11.10. Butterflies. Alice, Bob, and Charlotte are looking for butterflies. They look in three separate parts of a field, so that their probabilities of success do not affect each other. • Alice finds 1 butterfly with probability 17%, and otherwise does not find one • Bob finds 1 butterfly with probability 25%, and otherwise does not find one • Charlotte finds 1 butterfly with probability 45%, and otherwise does not find one Let X be the number of butterflies that they find altogether. Write X as the sum of three indicator random variables, X1, X2, X3 that indicate whether Alice, Bob, Charlotte (respectively) found a butterfly. Then X= X1+X2 +X3. Find the expected value of X by finding the expected value of the sum of the indicator random variables. Your answer will have two decimal places. **This is a straight forward expected value of a sum of random variables, nothing fancy here! QUESTION 2 Exercise 11.16. Flipping coins. Flip a coin until the second head comes up. Let X be the number of flips needed to get the second head. What is the E(X). The first step is to find the expected value of getting the first head. Is this like Example 11.10, sampling without replacement, OR like Example 11.11, sampling with replacement? O A. Example 11.10, sampling without replacement O B. Example 11.11, sampling with replacement QUESTION 3 Exercise 11.16. Flipping coins. Flip a coin until the second head comes up. Let X be the number of flips needed to get the second head. What is the E(X). The first step is to find the expected value of getting the first head. What is the expected value of getting the first head? This will be an integer answer. QUESTION 4 Exercise 11.16. Flipping coins. Flip a coin until the second head comes up. Let X be the number of flips needed to get the second head. What is the E(X). The next step is to find the expected value of getting the second head. Because this is identical to finding the expected number of rolls for the first head (independent events), we just multiply the first head's expected value by 2. This will be an integer answer. QUESTION 5 Exercise 11.17 (a). Waiting for favorite song. Michael puts his iTunes on shuffle mode where songs are not allowed to be replayed. He has 2,781 songs saved on iTunes, and exactly one of these is his favorite. How many songs is he expected to have to listen to until his very favorite song comes up? Is this like Example 11.10, sampling without replacement, OR like Example 11.11, sampling with replacement? A. Example 11.11, sampling with replacement B. Example 11.10, sampling without replacement
Answers
In Exercise 11.10, the expected value of the number of butterflies found by Alice, Bob, and Charlotte is obtained by finding the expected value of the sum of three indicator random variables.
In Exercise 11.16, the expected value of the number of flips needed to get the second head in a coin flipping experiment is determined. These exercises involve different scenarios of sampling with and without replacement.
In Exercise 11.10, the expected value of X, the total number of butterflies found, is found by calculating the expected value of each indicator random variable (X1, X2, X3) representing whether Alice, Bob, and Charlotte found a butterfly, respectively.
The expected value of each indicator variable can be obtained by multiplying the probability of success (finding a butterfly) by 1 and the probability of failure (not finding a butterfly) by 0. Then, the expected value of X is calculated as the sum of the expected values of the indicator variables.
In Exercise 11.16, the expected value of X, the number of flips needed to get the second head, is determined. To find this value, we first need to find the expected value of getting the first head. This scenario is similar to Example 11.11, which involves sampling with replacement.
Each coin flip is an independent event, and the probability of getting a head is constant at 0.5.
Therefore, the expected value of getting the first head is 1/p, where p is the probability of success (0.5 in this case).
In Exercise 11.17 (a), the scenario of waiting for a favorite song in Michael's iTunes playlist involves sampling without replacement. Each song played is not replayed, and there is only one favorite song among the total number of songs.
Therefore, this scenario is similar to Example 11.10, sampling without replacement.
To find the expected number of songs Michael needs to listen to until his favorite song comes up, the formula for sampling without replacement is used, which is the reciprocal of the probability of selecting the favorite song at each step.
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When dissolved in water, CO, creates carbonic acid which exists as dissociated ions, hydrogen
ion (H*) and carbonate (CO2) after some time.
H₂CO,
2H+ + CO²
If more carbonic acid (H₂CO₂) is added to the system, what direction will the equation shift?
Why?
Answers
If we add more carbonic acid then the equilibrium position would shift to the right
What is the direction of the equilibrium shift?A chemical reaction at equilibrium shifts to the right to offset the change when additional reactants are added. Le Chatelier's principle, which holds that an equilibrium system will respond to a change by moving in a direction that minimizes the influence of that change, governs this movement.
We are adding more carbonic acid which is a reactant thus the equilibrium would shift to the right.
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Which statement is true?
A. Evidence drawn from comparative anatomy helps form the basis only for the theory of evolution.
B. Evidence drawn from comparative anatomy helps form the basis only for biological classification systems.
C. Evidence drawn from comparative anatomy helps form the basis for biological classification systems and the theory of evolution.
D. Evidence drawn from comparative anatomy helps form the basis for neither biological classification systems, nor the theory of evolution.
Answers
What is the effect of synchronous orbit on the Moon?
There are times during the Moon's monthly orbit that the Moon is not visible.
Only one side of the Moon faces the Earth.
The shape of the Moon keeps changing.
The synchronous orbit appears to make the Moon more vulnerable to meteor strikes.
Answers
Answer:
The synchronous orbit appears to make the moon more vulnerable to meteor strikes