Chemiosmotic ATP synthesis (oxidative phosphorylation) occurs in _____
A) all cells, but only in the presence of oxygen
B) only eukaryotic cells, in the presence of oxygen
C) only in mitochondria, using either oxygen or other electron acceptors
D) all respiring cells, both prokaryotic and eukaryotic, using either oxygen or other electron acceptors
E) all cells, in the absence of respiration
Answer: D
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A bacterium with which metabolism is MOST likely to form a relationship with Syntrophobacter wolinii?
A) acetate oxidation B) ammonia oxidation C) molecular hydrogen oxidation D) propionate catabolism
Blood vessels that return blood from capillaries back to the heart are
(a) arteries. (b) veins. (c) portal veins. (d) arterioles
What type of thinking is required?
What will be an ideal response?
In 1938, scientists found a population of coelacanths in the Indian Ocean. This fish species is considered a "living fossil" and appears not to have changed morphologically for 80 million years. This discovery supports the ________ model of evolution.
A. punctuated equilibrium B. common descent C. gradualism D. natural selection E. adaptation