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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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
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
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