All categories

3 years ago

DNA polymerase I, from E. coli, has three different catalytic sites. Which of the following is NOT one of them?

Biology

1 answer:

Leokris [45]3 years ago

5 0

Answer:

RNA-dependent RNA polymerase.

Explanation:

DNA polymerase I is present in E.coli that are responsible for the prokaryotic DNA replication. The DNA polymerase I was discovered by Arthur Kornberg. This enzyme is coded by the gene polA.

DNA polymerase I has the activites of DNA-dependent RNA polymerase, DNA-dependent DNA polymerase and RNA-dependent DNA polymerase. The RNA-dependent RNA polymerase is generally present in the reverse transcriptase in case of viruses only. RNA-dependent RNA polymerase catalytic site is not present in DNA polymerase I.

Thus, the correct answer is option (1).

You might be interested in

Which feature is charatisic of estauries

dusya [7]

The estauries are characterized by mix of fresh water and salt water. That is option A

<h3>What is estauries?</h3>

Estauries is defined as the part of water where many rivers meet and sweep into the ocean.

The characteristics of estauries include the following;

The salty water mixed with freshwater resulting to brackish water formation.

The gradient of salinity in a semi-enclosed coastal system.

Learn more about brackish water here:

brainly.com/question/7385521

#SPJ1

Which feature is characteristics of estauries:

A mix of fresh water and salt water.

swap-like land.

region of land that drains into a body of water.

the gradient of salinity in a semi-enclosed coastal system.

4 0

2 years ago

An average what takes about 5 kilograms of Carbon Dioxide a year and makes about the same amount of oxygen for us to breathe.

swat32

A tree is the answer

6 0

3 years ago

Assume that a student is given two different models of bacteria, with one model consisting of big bacteria and the other consist

Anon25 [30]

He can use a microscope.

5 0

3 years ago

Read 2 more answers

The trp operon is known to operate by both negative repressible regulation of operator and attenuation. Which of the following s

Scilla [17]

It is most likely due to the fact that the attenuation is the evolutionary relic, which by accident has remained does not support the actual reason of the dual control to regulate the operon.

Answer: Option E

<u>Explanation:</u>

In bacteria transcription and translation carries out at the same time so or the termination of transcription in premature phase in bacteria uses a special mechanism which is called as attenuation T.

he attenuation in bacteria is a regulatory mechanism. Trp operon is the group of codes of the components. These operons are the actual functioning group of the DNA.

3 0

3 years ago

The effects of sympathetic stimulation are longer lasting and more widespread than the effects of parasympathetic stimulation be

svlad2 [7]

An effects of sympathetic stimulation are longer lasting and more widespread than the effects of anxiety (low vs. high) and stress (low vs. moderate vs. high) on test.

Everyone experiences sympathetic occasionally, but persistent anxiety can reduce your quality of life. Though likely best known for altering behavior, worry can have negative effects on our physical health. Anxiety speeds up our heartbeat and sympathetic, concentrating blood flow to the parts of our brains that need it. You are getting ready for a challenging situation by having this extremely bodily reaction. Test performance may be impacted by anxiety. According to studies, pupils with low levels of test anxiety perform better on multiple-choice question (MCQ) exams than pupils with high levels of anxiety. Studies have indicated that female students have greater levels of test anxiety than male students.

Learn more about anxiety here:
brainly.com/question/4913240

#SPJ4

5 0

1 year ago