Which of the statements best describes the mutational event pictured below?
Wild-type ACC CAC UCU GGA UUU AAG GCA
thr his ser gly leu lys ala
Mutant ACC CAC UCU UGA
UUU AAG GCA
thr his ser stop phe lys ala
A. a transversion mutation leading to a nonsense codon
B. a frameshift mutation leading to a missense amino acid substitution
C. a transition mutation resulting in a silent amino acid substitution
D. a transition mutation leading to a nonsense codon
E. an insertion mutation resulting in a frameshift of the amino acid sequence
A
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The essential protective role for T cell immunity is protection from
A) viruses. B) extracellular pathogens. C) bacteria. D) intracellular pathogens.
Chromosomes are copied during what stage of the cell cycle?
A. M B. D C. G1 D. G2 E. S
Which of the following variations of the sentence "Where is the cat?" is most like a chromosomal inversion?
A) Where is cat? B) Where is the the cat? C) Where the is cat? D) Where is cat the the cat?
The conversion of phosphoenol pyruvic acid (PEP) to pyruvic acid results in the production of an ATP. This reaction is an example of (substrate-level/oxidative/reductive) phosphorylation.
Fill in the blank(s) with the appropriate word(s).