1) Which of the following is true about transfer RNA?
A) Some of hte bases may form hydrogen bonds with each other.
B) The bases may include unusual bases such as pseudouridine
C) Only one amino acid can bind to each type of tRNA
D) All of the above
2) Frameshift mutation would probably ____.
A) Destroy enzyme activity
B) Not reduce enzyme activity
3) Mutation in introns ___ Cause diseases.
A) Can sometimes
B) Never
4) Which of hte following is false about process of
translatioN?
A) THe Shine-Dalgarno sequence on prokaryotic mRNA can base-pair
with an rRNA sequence
B) In Prokarotes, several ribosoems can be attached a single mRNA
molecule.
C) A protein, not an RNA, provides the entire enzyme activity that
forms peptide bonds between amino acids
D) In eukaryotes, methionine is hte first amino acid
incorporated
5) Chromatin modifications:
A) Can be required in eukaryotes for gene expression
B) Can involve histone acetyltransferase enzyme (HAT)
C) Can relax the compact structure of chromatin
D) All of the above
6) At high concnetration of tubulin subunits, translation of
tubulin mRNA:
A) Increases
B) Decreases
C) Remains unchanged
Thank you very much!
F15





