#Question id: 31118
#Unit 2. Cellular Organization
#Question id: 28454
#Unit 5. Developmental Biology
#Question id: 28392
#Unit 5. Developmental Biology
Convergence and extension occurred in dorsal mesodermal cell at the time of axis elongation such as____
#Question id: 806
#Unit 1. Molecules and their Interaction Relevant to Biology
A single-stranded DNA molecule contains 40 nucleotides with equal amounts of A, C, G, and T. This DNA strand can combine with a complementary DNA strand to form a double-stranded DNA molecule. Which characteristic does this double-stranded molecule have when it forms a B-DNA structure?
#Question id: 3041
#Unit 2. Cellular Organization
Which statement about gram-negative bacteria is correct?