During which stage of the cell cycle does DNA replication occur?
a. S phase
b. G1 phase
c. G2 phase
d. G0 phase
A
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Looking at this figure from Hill et al. 2006, you could conclude that:
What will be an ideal response?
Under the Biological Speces Concept, what criterion is used to assign populations of organisms to the same biological species?
A. Being able to interbreed and produce fertile offspring B. A very similar appearance C. Having 99% of their genes in common D. Responding the the environment in the same way
Which of the following molecules is not produced during the breakdown of phospholipids?
A) glucose B) glycerol C) acetyl groups D) fatty acids
A poison added to an in vitro translation mixture containing mRNA molecules with the sequence 5?-AUGAAAAAAAAAAAAUAA-3? has the following effect:
the only product made is a Met-Lys dipeptide that remains attached to the ribosome. What is the most likely way in which the poison acts to inhibit protein synthesis? (a) It inhibits peptidyl transferase activity. (b) It inhibits movement of the small subunit relative to the large subunit. (c) It inhibits release factor. (d) It mimics release factor.