The DNA of a prokaryote is found primarily in
What will be an ideal response?
a single, circular chromosome.
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Which pathway shows the correct path of electron transfer from a molecule of NADH?
A. NADH hydrogenase ? ubiquinone ? cytochrome oxidase ? cytochrome b-c1 ? cytochrome c ? O2 B. NADH hydrogenase ? ubiquinone ? cytochrome c ? cytochrome b-c1? cytochrome oxidase ? O2 C. ubiquinone ? cytochrome b-c1? cytochrome c ? cytochrome oxidase ? NADH hydrogenase ? O2 D. NADH hydrogenase ? ubiquinone ? cytochrome b-c1? cytochrome c ? cytochrome oxidase ? O2 E. ubiquinone ? cytochrome b-c1? cytochrome c ? NADH hydrogenase ? cytochrome oxidase ? O2
The use of transport proteins to return a neurotransmitter from the synapse back to the presynaptic
cells is called a. enzymatic breakdown. b. diffusion. c. repackaging. d. storage. e. reuptake.
Vasodilation does what?
What will be an ideal response?
When a muscle is stimulated prior to full relaxation of a previous contraction and the second stimulus is added to the first contraction, this phenomenon is referred to as ________
A) summation B) twitch C) fatigue D) tetanus