How many replication forks are there at an origin of replication?
A. 1.
B. 2.
C. 3.
D. 4.
E. 5.
B. 2.
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An ideology is a:
A) set of reinforcing beliefs and values that constructs a worldview. B) process by which groups of people make collective decisions. C) cultural system that creates powerful and long-lasting meaning. D) process of cultivation or improvement.
Computer programs for reconstructing phylogenies:
a. check all possible trees. b. only check a very small fraction of possible trees. c. make phylogenetic inference easy and certain. d. None of the above.
In Mendel’s hybridization experiments, the ratio of plants expressing dominant traits in the F2 generation was nearly 3:1, but never exactly the correct ratio. Ignoring any external confounding factors, what effect would you expect a larger sample size to have on the ratio of dominant to recessive traits expressed?
a. Larger sample sizes would have no effect on the ratio. b. The results would drift further from the expected ratio. c. The results would become more precise with more samples. d. Larger sample sizes would increase the risk of cross-contamination.
A thin filament of muscle is composed primarily of the protein
A. hemoglobin. B. myosin. C. myoglobin. D. actin. E. pectin.