During what stages of the cell cycle are sister chromatids bound together by cohesin?
A. G1, S, G2
B. S, G2
C. G1, S
D. S, G2, prophase, metaphase
E. S, G2, prophase, metaphase, anaphase, telophase
D. S, G2, prophase, metaphase
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Which of the following is/are used to categorize fungal diseases?
A. The type of sexual spores formed by the infecting fungus B. The route by which the disease becomes established in the host C. The environmental source of the fungi D. The type of asexual spores formed by the infecting fungus
There are several routes of administering drugs, and some reach the brain faster than others. Which of the following sequences correctly lists the routes of administration from fastest to slowest for getting drugs to the brain?
In terms of epigenetics, how the promoter would be described for a gene that is not expressed in lung tissue but is expressed in heart tissue?
A) The promoters should appear the same in both types of cells, but the mRNA produced would be hypermethylated more in lung cells compared to heart cells. B) In lung cells, the guanines in the promoter would be hypomethylated, but would be hypermethylated in heart cells. C) In lung cells, the cytosines of the promoter would be hypomethylated, and would be hypermethylated in heart cells. D) In lung cells, the cytosines of the promoter would be hypermethylated, and would be hypomethylated in heart cells. E) In lung cells, the guanines in the promoter would be hypermethylated, and would be hypomethylated in heart cells.
Some fungi postpone cytokinesis, producing
A) coenocytes. B) cysts. C) merozoites. D) schizonts. E) trophozoites.