#Question id: 2362
#Unit 2. Cellular Organization
Before a cell divides, the centrioles ______
#Question id: 1447
#Unit 4. Cell Communication and Cell Signaling
A patient with B cell leukemia donates some cancer cells for analysis. The cells do not contain the usual chromosomal translocations associated with leukemia. Instead, a sporadic mutation seems to have arisen in a certain gene, followed by loss of heterozygosity in the second copy. This gene product is most likely:
#Question id: 27575
#Unit 1. Molecules and their Interaction Relevant to Biology
Which kind of interactions occur between the side chains of oppositely charged residues as well as between the NH3+ and COO− groups at the ends of polypeptide
#Question id: 31283
#Unit 5. Developmental Biology
#Question id: 3845
#Unit 3. Fundamental Processes
The replisome, which synthesizes DNA on both leading and lagging strands, always moves toward the replication fork. This must mean that: