88) Which molecule carries an amino acid to the site of protein synthesis during translation?

A) tRNA

B) rRNA

C) mRNA

D) snRNA

E) microRNA

89) The type of RNA that holds an initial copy of the genetic information is the

A) mRNA.

B) tRNA.

C) dRNA.

D) rRNA.

E) microRNA.

90) Anticodons are found on which molecule?

A) DNA

B) mRNA

C) ribosomal RNA

D) tRNA

E) rough ER

91) Transcription occurs in the

A) mitochondrion.

B) cytoplasm.

C) vesicles.

D) Golgi body.

E) nucleus.

92) The mRNA sequence that is complementary to the sequence UAG on a tRNA is

A) ATC.

B) TUC.

C) UAG.

D) AUC.

E) ACU.

93) Translation takes place on the ________.

A) histone

B) nucleolus

C) ribosome

D) DNA

E) nuclear pore

94) Which enzyme is required for the synthesis of mRNA?

A) RNA polymerase

B) helicase

C) transcriptase

D) DNA polymerase

E) RNA nucleotide

95) Amino acids are carried to the ribosomes to be incorporated into polypeptide chains by which molecule?

A) snRNA

B) DNA

C) rRNA

D) tRNA

E) mRNA

96) During transcription, a sequence of three nitrogenous bases along the new mRNA strand represents a(n) ________ that is complementary to the corresponding triplet along the gene.

A) triplet

B) tRNA

C) anticodon

D) antitriplet

E) codon