Question

which of the following statements is true?
a mrna is part of the ribosome.
b trna transfers the ribosome to the cytoplasm.
c rrna relays amino acids to the ribosome.
d mrna is made in the nucleus.

Explanation:

• a: rRNA is part of the ribosome, not mRNA.
• b: tRNA transfers amino - acids, not ribosomes.
• c: tRNA relays amino acids to the ribosome, not rRNA.
• d: Transcription of DNA to mRNA occurs in the nucleus, so mRNA is made in the nucleus.

Answer:

D. mRNA is made in the nucleus.