What type of chemical reaction must occur for electrons to flow from one molecule to the next and

supply the energy for metabolism?



a. acid/base
b. reduction/oxidation
c. exothermic
d. trimolecular
e. phosphorylation


B

Biology & Microbiology

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Progeria is a genetic condition that causes

a. pattern baldness as early as age twenty. b. socially inappropriate vocal outbursts and muscular twitches. c. a high incidence of cancer with any exposure to sunlight. d. muscular and mental deterioration shortly after puberty. e. premature aging which typically leads to death in the early teens.

Biology & Microbiology

A flap of tissue called the __________ directs air

through the __________, the opening to the __________ (windpipe). Fill in the blank(s) with the appropriate word(s).

Biology & Microbiology

What type of trait shows continuous variation, where there is a large range of phenotypes in a population (for example, height or skin color)?

What will be an ideal response?

Biology & Microbiology

A farmer noticed that two of her cotton plants produce cotton with a slight greenish hue. By repeatedly crossing the greenish plants, she has produced a variety of deep-green cotton without the use of any dyes. This is an example of

A) convergent evolution. B) natural selection. C) artificial mutation. D) artificial selection. E) inheritance of acquired characteristics.

Biology & Microbiology