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 = mRNA

During transcription in protein synthesis, a portion of the DNA sequence is transcribed into a protein blueprint called the mRNA. At first, this mRNA molecule is immature (I.e. not ready to exit the nucleus), but after some modifications, it becomes mature and can exit the nucleus and travel through the cytoplasm to the ribosome.

Answer 2

d all of the above.

Step-by-step explanation:

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