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blsea [12.9K]
3 years ago
14

Proteins called transcription factors are involved in ____ of transcription

Biology
2 answers:
shutvik [7]3 years ago
8 0

Answers;

Initiation of transcription;

Proteins called transcription factors are involved in the initiation stage of transcription


Explanation;

Transcription factors are proteins that help turn specific genes "on" or "off" by binding to nearby DNA.

Transcription factors that are activators boost a gene's transcription while the repressors decrease transcription.

These factors allow cells to perform logic operations and combine different sources of information to "decide" whether to express a gene

zaharov [31]3 years ago
6 0

Answers;

Initiation of transcription;

Proteins called transcription factors are involved in the initiation stage of transcription


Explanation;

Transcription factors are proteins that help turn specific genes "on" or "off" by binding to nearby DNA.

Transcription factors that are activators boost a gene's transcription while the repressors decrease transcription.

These factors allow cells to perform logic operations and combine different sources of information to "decide" whether to express a gene

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Explanation:

many researchers findout that bacteroides plebeius acquired functional porphyranase and agarase genes from a marine bacterium called Zobellia galactanivorans. Zobellia galactanivorans is a marine bacterium which has the ability to digest complex polysaccharides such as agarose and porphyran. so due to similar genes, Bacteroides plebeius also digest polysaccharides such as agarose and porphyran present in sea weed.

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Explanation:

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Why do different parts of the planet receive varying amounts of water?
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You determine that you have only three copies left of an important DNA fragment, so you decide to amplify it. Using flanking pri
kicyunya [14]

Hello. This question is incomplete. The full question is:

"You determine that you have only 3 copies left of an important DNA fragment, so you decide to amplify it. Using flanking primers, how many PCR cycles would you have to run to generate over one billion (10^9) copies of the fragment? "

Answer:

Approximately 29 cycles of PCR would be required.

Explanation:

As you may already know, PCR is a technique used in molecular biology that allows part of a DNA molecule to be recycled into millions of copies.

PCR allows this replication to be done through cycles. Each PCR cycle lasts about 2 minutes and allows the DNA molecule to undergo the separation of the strands, the binding of the primers and the synthesis of new DNA strands through DNA polymerase. This cycle is usually repeated 32 times, but this number may change depending on the number of copies the researcher thinks is necessary.

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