What is the expression pattern of dominant-negative mutations in petite strains of yeast?

A) Expression of wild-type mitochondria is enhanced.
B) Mitochondrial membranes become hyperpolarized.
C) Expression of mutant mitochondria resembles expression of wild-type mitochondria.
D) The function of wild-type mitochondria is suppressed.
E) Mitochondria show enhanced capacity of oxidative phosphorylation.


Answer: D

Biology & Microbiology

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Animal groups differ in the mechanisms by which heartbeats are initiated. Most arthropods have a _______ heart while vertebrates have a _______ heart.

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Why do peahens choose peacocks with the longest, showiest tails, when a long tail might be easily

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What will be an ideal response?

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Which is a bone of the lower limbs?

A. radius B. ulna C. patella D. humerus E. clavicle

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