#Question id: 6958
#Unit 5. Developmental Biology
Vg-1 and wnt are used in both frogs and chicks to establish a body axis, although in chicks this is the antero-posterior axis instead of the dorso-ventral axis. What is the region of the chick embryo that is thus analogous to the Nieuwkoop center?
#Question id: 2934
#Unit 2. Cellular Organization
Cyclin D/Cdk4 functions during:
#Question id: 4576
#Unit 11. Evolution and Behavior
Which of the following pairs of structures is least likely to represent homology?
#Question id: 3656
#Unit 3. Fundamental Processes
In nucleotide excision repair, an endonuclease makes nicks on either side of the lesion.
#Question id: 677
#Unit 1. Molecules and their Interaction Relevant to Biology
A helical wheel can be used to show