In translation during thstagof elongation,
A) saccharides are added one after another.
B) nucleotides are added one after another.
C) the DNA polymerase moves along the mRNA.
D) the RNA polymerase moves along the mRNA.
E) the ribosome moves along the mRNA.
Correct Answer:
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Q72: Which event may occur in all viruses,
Q73: Mutations can be
A)random.
B)beneficial.
C)lethal.
D)heritable.
E)all of the these.
Q74: Thdifferencbetween normal ansickle-cell hemoglobin is baseupon
A)the number
Q75: In which of thfollowing regions of an
Q76: During elongation, ribosomes catalyzformation of _ between
Q78: In mutation,
A)the new codon may specify a
Q79: Which of thfollowing statements is INCORRECT?
A)In chain
Q80: Frameshift mutations may involve
A)substitution of nucleotides.
B)substitution of
Q81: Four of thfivanswers listebelow arrelateto pairings.Select thEXCEPTION.
A)double-stranded
Q82: _ arinvolvein thregulation of genexpression.
A)Transcription factors
B)Nucleases
C)Transposable elements
D)Ultraviolet
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