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vladimir2022 [97]
3 years ago
8

A ribozyme is a catalytic protein that assists in the processing of the tRNA, true or false

Biology
1 answer:
Basile [38]3 years ago
6 0
In tRNA biosynthesis, ribozymes, which are sub units found in the ribosomes, are essential. hence it is TRUE.
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A scientist thinks that a certain chemical is a mutagen. She exposes plant cells to a large amount of this chemical in the labor
PSYCHO15rus [73]

A mutation is an alteration in the original DNA sequence.  Option 3. The cells change after being exposed to the chemical, and this change is passed to the next generation of cells.

<h3>What is a mutation?</h3>

A mutation is a stable and hereditably change in the genetic material.

Mutations alter DNI sequences and introduce new variants. Many of these variants are eliminated, but some of them might succeed and be incorporated in each individual, affecting the entire species.

They can be damaging or beneficial. These last mutations are the ones that have been selected by natural selection.

Different mutagenic agents cause changes in genetic information, increasing mutations over the normal level. They can change the bases sequences and bases pairing.

Mutations depend on each group's environment and its ecological pressures, and they accumulate in time. They are inherited to the followings generation and get to spread.

According to this framework, the correct option is 3. The cells change after being exposed to the chemical, and this change is passed to the next generation of cells.

If the analyzed chemical is a mutagen, then it will cause an alteration in the DNA sequence and this change -mutation- will pass to the following generations spreading in the population.

You can learn more about mutations at

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A scientist thinks that a certain chemical is a mutagen. She exposes plant cells to a large amount of this chemical in

the laboratory

Which statement best provides evidence that the substance is a mutagen?

  1. The cells die within hours of being exposed to the chemical.
  2. The cells grow more quickly than those that were not exposed to the chemical.
  3. The cells change after being exposed to the chemical, and this change is passed to the next generation of cells.
  4. The cells continue to divide at the same rate as before they were exposed to the chemical.
3 0
2 years ago
To learn to respond to specific stimuli, students must learn to differentiate between the s d and all other stimuli. what is the
alex41 [277]

These other stimuli are known as s - deltas.

<h3>What is an example of a stimuli?</h3>

Anything that can cause a change in behavior or physical state is a stimulus. Stimuli is the plural of stimulus. External or internal stimuli can be used. The way a medication affects your body is an illustration of an external stimulus. Your vital signs altering as a result of a change in your body is an example of an internal stimulus.

<h3>Which 3 stimuli are they?</h3>

mechanical, thermal, and chemical stimuli can activate three different types of nerve endings. Some endings are more sensitive to one type of stimulus than the others, but all can detect all three.

<h3>What do humans respond to as stimuli?</h3>

Events in the environment known as stimuli have an impact on behavior. A single stimulus can perform a variety of tasks.

learn more about stimuli here

<u>brainly.com/question/26507060</u>

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6 0
2 years ago
Which substance completes active transport?
Nesterboy [21]

Active transport is usually associated with accumulating high concentrations of molecules that the cell needs, such as ions, glucose and amino acids. Examples of active transport include the uptake of glucose in the intestines in humans and the uptake of mineral ions into root hair cells of plants.

sorry if it did not help

4 0
3 years ago
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Briefly describe the steps of protein synthesis
faltersainse [42]

Answer:

No

Explanation:

Figure it out yourself

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Ethics: What are the ethical concerns regarding stem cell research? Briefly describe each side of the debate. What is your opini
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The Ethics of Using Human Embryonic Stem Cells in Research. Assume for the sake of argument that it is morally impermissible to destroy human embryos<span>. It does not follow that all research with HESCs is impermissible, as it is sometimes </span>permissible <span>to benefit from </span>moral<span> wrongs.</span>
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