Which of the following statements is false regarding phagocytosis?
A) It involves ingestion of large particles by the cell.
B) It involves the projection of pseudopodia.
C) It is a method used predominantly by amoeba to obtain food.
D) It is mediated by clathrin at the plasma membrane.
E) In vertebrates, macrophages and neutrophils possess this ability.
D) It is mediated by clathrin at the plasma membrane.
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Which of the following is FALSE when comparing RNA and DNA?
A. Both are produced by phosphodiester linkages. B. Both are composed of phosphate groups. C. Both are composed of sugars. D. Both are composed of identical nucleotides. E. Both are composed of a phosphate group, a pentose sugar, and a nitrogenous base.
The Hardy-Weinberg equation stats that p2 + 2pq + q2 = 1; the genotype frequency of heterozygotes is represented by
A. p2 B. 2pq C. q2 D. p2 +q2 E. p2 + 2pq
Which of the following statements is false regarding
alcohol consumption during pregnancy? a. The developing embryo or fetus quickly absorbs alcohol across the placenta. b. Symptoms of fetal alcohol syndrome include reduced brain size and facial deformities. c. Cases of FAS are seriously underdiagnosed and misdiagnosed. d. The effects of FAS are temporary. e. Even occasional drinking may have negative effects.
In chloroplasts, ATP synthase
A) catalyzes the Calvin cycle. B) phosphorylates ADP to ATP. C) is found in the stroma. D) helps produce the concentration gradient of H+.