The tRNA that carries leucine will move through the three sites within the ribosome in which order?

What do these three practices all share in common? (A) Phosphatase treatment of cut plasmid before ligation of a DNA insert that has compatible ends. (B) Cutting both plasmid and DNA insert with two enzymes which don’t produce compatible ends for each other. (C) Ligating the insert within the coding sequence of a lacZ gene that is already within the plasmid.

Bacterial operons are different from eukaryotic genes in that

Cas9 is

What makes bacterial operon structure DISTINCT from typical eukaryotic gene structure  is

Which of the following is the most likely to be a restriction enzyme recognition sequence?  (Note: for simplicity, only the 5′-3′ strand of the double helix is shown; the complementary sequence is assumed to be there)

Activator proteins bind directly to

1C. Is this population of fruit flies evolving?

Week 9: Evolutionary Mechanisms & Population Genetics-SHORT ANSWER (12 PTS)

SA2b. (3 pts)  Scenario 2 continued: Imagine you have two crabs. You feed one only thick-shelled snails and the other you feed only thin-shelled snails.  Over the course of its life, the crab fed only thick-shelled snails develops larger claws than the crab fed only on thin-shelled snails.  Is this evolution in action? Why or why not?