15. Gene Expression

Which type of RNA contains groups of 3 nucleotides that code of a specific amino acid?

Which type of RNA carries amino acids to the ribosome used in polypeptide creation?

The anticodon of a particular tRNA molecule is

a. Complementary to the corresponding mRNA codon

b. Complementary to the corresponding triplet in rRNA

c. The part of tRNA that bonds to a specific amino acid

d. Catalytic, making the tRNA a ribozyme

Transfer RNA (tRNA)

a. Carries monosaccharides to the ribosome for synthesis

b. Is made of messenger RNA

c. Has an anticodon region that is complementary to the mRNA codon

d. Is the site of protein synthesis

A particular triplet of bases in the coding sequence of DNA is TGA. The anticodon on the tRNA that binds to the mRNA codon is ________.

a. TGA

b. UGA

c. UCU

d. ACU

The nucleotide sequence of a DNA codon is GTA. A messenger RNA molecule with a complementary codon is transcribed from the DNA. In the process of protein synthesis, a transfer RNA pairs with the mRNA codon. What is the nucleotide sequence of the tRNA anticodon?

a. CAT

b. CUT

c. GUA

d. CAU