#Question id: 4158
#Unit 3. Fundamental Processes
What is a reasonable number of nucleotides in a tRNA molecule?
#Question id: 14712
#Unit 5. Developmental Biology
#Question id: 9608
#Unit 9. Diversity of Life Forms
Darwin analogized the effects of evolution as the above-ground portion of a many-branched tree, with extant species being the tips of the twigs. The common ancestor of two species is most analogous to which anatomical tree part?
#Question id: 6993
#Unit 5. Developmental Biology
What molecular marker of head identity is found in the apical tip of a Hydra during head regeneration?
#Question id: 4379
#Unit 3. Fundamental Processes
Bromodomains are found in chromosome-associated proteins that contribute to transcriptional activation. To facilitate this activation, the bromodomains bind to histones, specifically their lysine residues that have been post-translationally modified by: