Which of the following statements is not true of the TCA cycle?
A) Oxidation occurs at three steps in the TCA cycle.
B) Decarboxylation occurs at two steps in the TCA cycle.
C) ATP/GTP is generated at one point by substrate-level phosphorylation.
D) Acetate enters the TCA cycle and joins a four-carbon acceptor molecule to form citrate.
E) FAD is an electron acceptor in the cycle.
A) Oxidation occurs at three steps in the TCA cycle.
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Polypeptides consist of strings of amino acids held together by
a. ionic bonds. b. hydrogen bonds. c. peptide bonds. d. double covalent bonds. e. protein glues.
Fresh water and forests may be tapped indefinitely as long as they're replenished. They are
classified as a. nonrenewable resources. b. renewable resources. c. ecological sources. d. biogeographical resources. e. point sources.
Red-green color blindness is an X-linked trait. In a population genetics study, 1,000 people (500 men and 500 women) were tested for this trait, and 35 men were found to be color blind
Use this information to compute the frequency of the allele for color blindness and the wild-type allele in this population, and estimate the expected number of carrier females.
Defend the following statement: Vascular tissue was, arguably, the most important evolutionary step, making possible the kinds of plant life we see today
What will be an ideal response?