In The Origin of Species, Darwin argued that the mechanism of descent with modification was ________
A) artificial selection
B) natural selection
C) inheritance of acquired characteristics
D) uniformitarianism
B
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Inside an active mitochondrion, most electrons follow which pathway?
A) glycolysis ? NADH ? oxidative phosphorylation ? ATP ? oxygen B) citric acid cycle ? FADH2 ? electron transport chain ? ATP C) electron transport chain ? citric acid cycle ? ATP ? oxygen D) pyruvate ? citric acid cycle ? ATP ? NADH ? oxygen E) citric acid cycle ? NADH ? electron transport chain ? oxygen
The Indian pipe (Monotropa uniflora) is an example of a
a. apomictic plant b. heterotrophic plant c. parasitic plant d. carnivorous plant e. plant that depends on symbiotic cyanobacteria
In red blood cells, which of the following cytosolic proteins is the link between the plasma membrane and the spectrin/actin network beneath the cell surface?
a. Band 3 b. glycophorin c. dystrophin d. ankyrin
Large spherical cells of cyanobacteria that are able to fix atmospheric nitrogen are referred to as ________.
A. microcysts B. heterocysts C. oocysts D. nitrocysts