For smokers who quit smoking, when does healing begin?
A) After a year B) After 6 months
C) Almost immediately D) After 5 years
C
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Which of the following statements is false regarding the differences between bacterial and eukaryotic cytoskeletal proteins?
A. Eukaryotic cells have cytoskeletal fibers comprised of tubulin and actin proteins, whereas bacterial cells lack cytoskeletal proteins. B. Cytoskeletal proteins in both eukaryotes and bacteria function in cell division, protein localization and determination of cell shape. C. The bacterial protein FtsZ is a homologue of the eukaryotic protein tubulin, and MreB and Mbl are homologues of actin. D. Proteins in the cytoplasm of bacterial cells are structurally similar to the tubulin and actin found in eukaryotic cells.
Which bacteria cause Lyme disease?
a. Streptococcus pyogenes b. Staphylococcus aureus c. Escherichia coli d. Borrellia burgdorferi e. Bordetella recurrentis
A cell that is most likely to retain the ability to divide, perform metabolic functions, and store photosynthate would be a
a. parenchyma cell in a leaf. b. vessel element in the vascular system. c. endodermal cell in a root. d. bark cell. e. fiber cell.
All of the alleles in a population make up the ____
a. species richness b. species abundance c. genome d. gene pool e. species diversity