How do cyanide and carbon monoxide affect cellular respiration?
What will be an ideal response?
ANSWER: Cyanide blocks the transfer of electrons from complex IV to oxygen. Carbon monoxide leads
to abnormalities in mitochondrial function that inhibit complex IV activity.
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Which of the following is the most likely explanation for why the human brain is capable of so much more than what would be required for evolutionary fitness?
A. The additional capabilities are by-products of what was necessary for evolutionary fitness. B. The additional capabilities were necessary for survival at one time. C. A larger brain means that additional capabilities will follow. D. None of the answer options is correct.
Mammals underwent an evolutionary "explosion" or major adaptive radiation in the
a. Mesozoic. b. Cambrian. c. Triassic. d. Devonian. e. Cenozoic.
Which of the following statements is NOT important to Darwin's theory of natural selection?
a) all species have the ability to produce more offspring than can live and reproduce b) variation is found in all natural populations c) offspring tend to inherit characteristics acquired by their parents during their lifetimes d) some variation found in natural populations is heritable e) none of the above choices is correct; all are important to his theory
The coefficient of coincidence reflects the frequency of observed double crossovers compared to the frequency of expected double crossovers. What is the relationship between the coefficient of coincidence and interference?
A) Interference is the inverse square of the coefficient of coincidence. B) Interference equals the coefficient of coincidence divided by the map units calculated. C) Interference is recombinants minus nonrecombinants. D) Interference is one minus the coefficient of coincidence. E) Interference equals the coefficient of coincidence.