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
You might also like to view...
The Delta protein:
A. is a transmembrane protein found in embryonic brain cells. B. arises in embryonic stem cells as they differentiate into neurons in the brain. C. directly signals to a Notch transmembrane protein in adjacent cells. D. directs adjacent cells to differentiate into glial cells. E. All of these choices are correct.
Animal groups differ in the mechanisms by which heartbeats are initiated. Most arthropods have a _______ heart while vertebrates have a _______ heart.
A. neurogenic, myogenic B. myogenic, neurogenic C. neurogenic, cardiogenic D. cardiogenic, myogenic E. autonomous, neurally controlled
Why do peahens choose peacocks with the longest, showiest tails, when a long tail might be easily
grabbed by a predator?
What will be an ideal response?Which is a bone of the lower limbs?
A. radius B. ulna C. patella D. humerus E. clavicle