#Question id: 4933
#Unit 11. Evolution and Behavior
What structure do protocells have in common with current cells?
#Question id: 5736
#Unit 8. Inheritance Biology
Two zygote in which one A is 44+XYY and another B is 44+XXX karyotype is best described by
#Question id: 1394
#Unit 4. Cell Communication and Cell Signaling
Apoptosis involves all but which of the following?
#Question id: 655
#Unit 1. Molecules and their Interaction Relevant to Biology
A change from one conformation of a molecule to another involves ________.
#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?