Which gene determines the feeding behavior of fruit fly larvae?
A. Sitters
B. Rovers
C. Kinesis
D. Foraging
E. AVP gene
Answer: D
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In terms of global gene regulation, which of the following molecules is most similar to c-di-GMP and cAMP?
A. EnvZ B. ppGpp C. rRNA D. ATP
At the end of the Permian period a large mass extinction occurred; 90-95% of the marine and terrestrial species were eliminated. Which of the following are thought to be the possible cause(s) of this mass extinction?
A. Glaciation. B. Meteorites colliding with the Earth. C. Volcanic eruptions. D. Competition between marine and terrestrial animals. E. Glaciation or volcanic eruptions.
Blood agar plates are an example of ________ medium
A) differential B) selective C) reducing D) defined E) transport
Which of the following statements about kinetochores is true?
(a) Kinetochores assemble onto chromosomes during late prophase. (b) Kinetochores contain DNA-binding proteins that recognize sequences at the telomere of the chromosome. (c) Kinetochore proteins bind to the tubulin molecules at the minus end of microtubules. (d) Kinetochores assemble on chromosomes that lack centromeres.