When NAD+ combines with hydrogen and an electron, the NAD+ becomes:
a. reduced
b. oxidized
c. phosphorylated
d. denatured
e. inactivated
a
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How can the preservation of biological diversity be justified? Check all that apply.
_____ ethical grounds. _____ supernatural responsibility. _____ economic value. _____ ecological value. _____ exploitative value.
Choose the statement that correctly characterizes bound ribosomes.
a. Bound ribosomes are enclosed in their own membrane. b. Bound and free ribosomes are structurally different. c. Bound ribosomes generally synthesize membrane proteins and secretory proteins. d. The most common location for bound ribosomes is the cytoplasmic surface of the plasma membrane. e. All of the above.
Which of the following is not a form of genetic drift?
A) Founder effect B) Nonrandom mating C) Population bottleneck D) Heterozygote advantage E) All of these are forms of genetic drift.
The recessive allele of a gene causes cystic fibrosis. For this gene among Caucasians, p = 0.98. If a Caucasian population is in Hardy-Weinberg equilibrium with respect to this gene, what proportion of babies is born homozygous recessive and therefore suffers cystic fibrosis?
A) (0.02)2 = 0.0004
B) 0.02
C) (0.98)2 = 0.9604
D) 2(0.02 × 0.98)= 0.0392