Question

Which of the following initiates protein synthesis in a cell by carrying specific instructions from the nucleus to the ribosomes?
A) tRNA
B) mRNA
C) rRNA
D) All of the above

Answer 1

Answer:

Messenger RNA (mRNA) molecules carry the coding sequences for protein synthesis and are called transcripts. ribosomal RNA (rRNA) molecules form the core of a cell's ribosomes (the structures in which protein synthesis takes place); and transfer RNA (tRNA) molecules carry amino acids to the ribosomes during protein.

Explanation:

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Answer 2

Explanation:

D) All of the above

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