The outer membrane of Gram-negative bacteria enables many antimicrobial drugs to enter the cell more easily.
Answer the following statement true (T) or false (F)
False
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Which is an immediate effect of blocking the activity of mitochondrial ATP synthase?
A. The pH in the space between the mitochondrial membranes would increase. B. The concentration of NADH would increase. C. ATP synthesis would increase. D. The pH in the space between the mitochondrial membranes would decrease. E. Oxygen consumption would decrease.
If two giraffes were crossed, where one is heterozygous for albinism (a) and the other has a homozygous dominant genotype, what would be the expected genotypic and phenotypic ratios?
a) 2 AA: 2 Aa: 0 aa; all pigmented b) 1 AA: 2Aa: 1aa; 3 pigmented: 2 albino c) 2 AA: 2 Aa: 0 aa; 4 pigmented: 2 albino d) 2 AA: 0 Aa: 0 aa; all pigmented e) 0 AA: 0 Aa: 1 aa; all albino
Which of the following is a scientific name?
A. species B. bacteria C. Bacillus subtilis D. bacilli E. Protista
Which of the following is evidence supporting the Lyon hypothesis of X inactivation?
A. A highly condensed structure is consistently observed in female cells, but not in normal male cells. B. Female mammals that are heterozygous for X-linked traits are phenotypic mosaics. C. A female cat that is homozygous for coat color cannot have a calico phenotype. D. Calico patterns of coat color are never exactly the same. E. All of the answers are correct.