How does a macrophage destroy a pathogen?
A. production of antibodies
B. phagocytosis
C. secretion of histamine
D. opsonization
B
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The global repression of GAL gene expression by Mig1 occurs when:
A. glucose is low and Mig1 is localized to the nucleus. B. glucose is present and Mig1 is phosphorylated to prevent nuclear localization. C. glucose is present and Mig1 associates with Tup1. D. glucose is low and Mig1 binds directly to RNA Pol II.
Which of the following options lists the stages in cellular respiration in the correct order?
A) oxidative Phosphorylation, the citric acid cycle, and glycolosis B) The citric acid cycle, oxidative Phosphorylation, and glycolosis C) glycolosis, oxidative Phosphorylation, the citric acid cycle D) glycolosis, the citric acid cycle, oxidative Phosphorylation E) oxidative Phosphorylation, glycolosis, The citric acid cycle
Those organisms that cannot swim against the ocean currents are collectively called:
a. plankton. b. nekton. c. seston. d. demersal. e. infauna.
Many lines of evidence suggest that human populations aren't distinct races. Why are we so similar even though adaptations to local conditions have occurred?
A) Members of different populations mate with each other. B) Natural selection has acted in the same way for all groups of humans. C) Populations mate assortatively. D) Sexual selection has acted in the same way for all groups.