A researcher determined that a strain of E. coli is producing a shortened version of a protein required for glucose metabolism. What type of mutation could be responsible for this shorter than normal protein?
A. missense mutation
B. silent mutation
C. nonsense mutation
D. sense mutation
E. frameshift mutation
Answer: C
Biology & Microbiology
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The three basic characteristics of adaptive immunity are
A) generality, diversity, and retention. B) specificity, diversity, and memory. C) prevention, protection, and memory. D) suppression, activation, and transference.
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This is the stage of mitosis characterized by the alignment of the chromosomes in a ring along the inner circumference of the cell:
A. Telophase B. Metaphase C. Prophase D. Interphase
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The (fungi/algae/lichens) are so sensitive to pollutants that they are used as indicators of environmental conditions
What will be an ideal response?
Biology & Microbiology
Mitochondrial DNA is designated by the shorthand form "nDNA".
a. true b. false
Biology & Microbiology