Protein biosynthesis

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20.07.2022 - 12:41

mRNA: A) makes up the ribosomes in the cell B) carries the genetic information from the nucleus into the cytoplasm C) is helical D) is a double strand E) always codes for all 20 amino acids

Question:

mRNA:

A) makes up the ribosomes in the cell

B) carries the genetic information from the nucleus into the cytoplasm

C) is helical

D) is a double strand

E) always codes for all 20 amino acids

Answers (1)

Earnestine April 14, 2023 в 23:34

The correct answer is B) carries the genetic information from the nucleus into the cytoplasm. mRNA (messenger RNA) is a single-stranded molecule that carries genetic information from the DNA in the nucleus of a cell to the ribosomes in the cytoplasm. The ribosomes use the genetic code carried by the mRNA to synthesize proteins. mRNA does not make up the ribosomes themselves, nor is it a helical or double-stranded molecule. Additionally, not all mRNA codes for all 20 amino acids, as some mRNA codes for regulatory molecules or non-protein products.

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