Which of the following is not part of a yeast artificial chromosome (YAC)?
A. a CEN sequence
B. an ARS
C. a selectable marker
D. the F factor
Answer: D
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Which of the following would not inhibit a cell preparing to undergo mitosis?
A) chromosomal abnormalities B) Cdc-activating kinase activity C) Chk1 inhibtion of Cdc25 D) p21 inhibition of G1 E) environmental signals that no new cells are needed
Hermatypic refers to:
a. reef building corals. b. non-reef building corals. c. gorgonians. d. black corals. e. sea fans and soft corals.
Compare and contrast the processes of facilitated diffusion and active transport. What will be an ideal response?
The origins of 300 or more species of cichlid fish in Lake Malawi can best be explained by
A) adaptive radiation. B) the fossil record. C) polyploidy. D) premating isolating mechanisms. E) random events.