Which one of the following statements about eukaryotic RNA polymerases I, II and III is false?
A. RNA Pol II is very sensitive to α-amanitin
B. RNA Pol II is located in the nucleoplasm
C. RNA Pol III transcribes the genes for tRNA
D. The carboxyl end of RNA Pol II contains a short sequence of only seven amino acids which is called the CTD and which may be phosphorylated
Answer: Option D
A. Reverse transcriptase
B. Cytochrome c
C. Bacterial RNA polymerase
D. RNase P
All the following may be methods for the inhibition of microbial growth by antibiotics except
A. Antibiotics disrupt cell wall synthesis
B. Antibiotics interfere with cell membrane function
C. Antibiotics prevent the release of energy from ATP
D. Antibiotics inhibit the synthesis of protein
A feature common to almost all transmembrane proteins is
A. A phosphorylated exterior domain
B. A structure consisting almost exclusively of beta-sheets
C. An amino acid sequence rich in acidic residues
D. An alpha-helical region of about 20 to 25 hydrophobic amino acids
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