Describe how a molecule of mrna is made during transcription

Asked by admin @ 16/11/2021 in Biology viewed by 309 People

Complete the following paragraph to describe how mRNA is formed and processed during transcription. Responses can be used more than once

messenger RNA
exons
transcripion
nucleus
poly-A
cap
RNA ribosomal
prokaryotes
RNA polymers
cytoplasm
Transcription begins in the nucleus when _________ unzips a DNA molecule.
RNA nucleotides align themselves to complementary base pairs and in this manner___________ is formed.
IN___________ must be processed before it leaves In the nucleus.
One end is modified with the addition of a____________ and the other end is modified with the addition of a ________tail. Some sections called ___________are edited out, leaving only___________remaining.
Then, the ____________leaves the nucleus and enters the cytoplasm where it awaits the process of_____________.

Answered by admin @ 16/11/2021

Answer:

Transcription begins in the nucleus when RNA polymerase unzips a DNA molecule.

RNA nucleotides align themselves to complementary base pairs and in this manner messenger RNA is formed.

In eukaryotes must be processed before it leaves In the nucleus.

One end is modified with the addition of a cap and the other end is modified with the addition of a poly-A tail. Some sections called introns are edited out, leaving only exons remaining.

Then, the messenger RNA leaves the nucleus and enters the cytoplasm where it awaits the process of translation

Explanation:

Transcription is the process in which DNA becomes RNA. In this protein synthesis, transcription occurs in the nucleus while translation in the cytoplasm. In the first one, which is transcription, a messenger RNA is produced. In the seceond one, an amino acid sequence is produced in the ribosomes.

*Take into account there were two options missing that I added because they were the only correct answer. "In eukaryotes must be processed before it leaves In the nucleus" the only right answer is eukaryotes, because prokaryotes don't have nucleus. The other situation was in "Then, the messenger RNA leaves the nucleus and enters the cytoplasm where it awaits the process of translation" the only option given was "transcription". The right answer is "translation" because this one occurs in the cytoplasm, and transciptrion in the nucleus.

Describe how a molecule of mrna is made during transcription

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