Ubiquitin ____.
A. targets proteins for degradation and post-translational processing.
B. targets proteins for degradation.
C. targets proteins for post-translational processing.
D. is attached to improperly folded proteins.
E. is attached to improperly folded proteins and targets them for degradation.
E. is attached to improperly folded proteins and targets them for degradation.
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A closed-circular DNA in its relaxed form has a linking number (Lk) of 500 . What will happen to the linking number of this molecule if one of the strands is broken?
A. Lk will increase. B. Lk will decrease. C. Lk will stay the same. D. Lk becomes undefined. E. None of these choices is correct.
Most of the water moving into a leaf is lost through ____
a. osmotic gradients b. transpiration c. pressure flow d. translocation e. osmosis
What is a swim bladder?
A) a gas-filled organ to help with buoyancy B) sensory organ C) structure that contains helium qualities D) senses vibrations
Tall (D) is dominant to dwarf (d). If a true-breeding tall plant is crossed with a true-breeding dwarf plant, the F2 generation will have a tall:dwarf phenotypic ratio of __________.
Fill in the blank(s) with the appropriate word(s).