#Question id: 3658
#3. Fundamental Processes
In E. coli, the UvrABC endonuclease removes _____________and other bulky lesions by recognizing the distortion these produce in the double helix.
#Question id: 11010
#7. System Physiology – Animal
Which of the following best explains how sympathetic stimulation affects the heart?
#Question id: 11744
#6. System Physiology – Plant
Large pores in cell walls are the prominent feature of sieve elements, the sieve area pores range in diameter from
#Question id: 5550
#5. Developmental Biology
The vertebrate nervous system is derived from
#Question id: 4975
#11. Evolution and Behavior
The observation that tusks were limited to males in several species, and were apparently not used in food-gathering, is evidence that the tusks probably