#Question id: 7299
#Unit 5. Developmental Biology
Maintenance of the shoot meristems in adult Arabidopsis plants relies on which of the following mechanisms?
#Question id: 2002
#Unit 4. Cell Communication and Cell Signaling
What accounts for antibody switching (i.e., the switch of one B cell from producing one class of antibody to another antibody class that is responsive to the same antigen)?
#Question id: 28699
#Unit 2. Cellular Organization
First sugar residue is attached to dolichol by ___
#Question id: 11572
#Unit 7. System Physiology – Animal
When a person drinks alcohol, the rate of urination increases. Which of the following best accounts for the increase in urination above normal rates?
#Question id: 4491
#Unit 3. Fundamental Processes
HIV transcribes its genes from a promoter controlled by P-TEFb, P-TEFb is brought to the stalled polymerase by an RNA-binding protein, not a DNA-bound one. The protein responsible is called