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Elan Coil [88]
3 years ago
12

Which subunit of the E. coli polymerase confers specificity to transcription?

Biology
1 answer:
WITCHER [35]3 years ago
7 0
Ïf is your answer your welcome
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For which of the following processes can dideoxyribonucleotides be used?
mel-nik [20]

Answer:

Sequence a DNA fragment.

Explanation:

Dideoxyribonucleotides may be defined as the DNA molecule that lacks hydroxyl group at 2 and 3 position of the pentose sugar. These molecule are important in the molecular biology.

The sequencing of a DNA fragment means to determine the sequence of the nucleotides in a DNA molecule. The  dideoxyribonucleotides is used to tag the target DNA fragment and known the sequence of the target DNA molecule.

Thus, the correct answer is option (C).

8 0
3 years ago
What is the first step in the process during the formation of modded fossils
svetlana [45]

Answer:

First, any soft tissue that was present in life decays, leaving behind the hard parts: bones, teeth, shells. This usually happens very quickly as a result of bacterial action.

Explanation:

5 0
4 years ago
What is the main function of the B lymphocyte?
Naily [24]
B.produce antibodies when triggered by antigens
5 0
3 years ago
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The act of breathing raises the blood oxygen level, lowers the blood carbon dioxide concentration, and raises the blood pH. Acco
tino4ka555 [31]

Answer:

A rise in blood carbon dioxide concentration.

Explanation:

The feedback regulation may be defined as the process in which the end product of the metabolic pathway regulates the homeostasis of the body. Two main types of feedback are positive feedback and negative feedback.

The negative feedback mechanism occurs when the end product of the reaction is responsible for the shutdown of the metabolic pathway and decreases its concentration. The breathing is controlled by the negative feedback mechanisms, the increase in carbon dioxide concentration acts as the negative sensor as this sensor is mainly responsible for the increase in amount of oxygen level and maintain homeostasis of the body.

Thus, the correct answer is option (c).

6 0
3 years ago
Which of the following would most likely represent the types of individuals found in one of the species resulting from shape bec
iren2701 [21]

Answer:

A

Explanation:

The correct answer choice is not B,C, or D so it should be A

Future generations will have the same frequencies of the  A  and  a  alleles as generation 2. Individuals with the  aa  genotype could be produced.

7 0
3 years ago
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