During prokaryotic cell division, two chromosomes separate and are distributed to the two ends of the cell by ____

a. the action of the mitotic spindle
b. an unknown mechanism
c. attachment to actin
d. attachment to separating membrane regions
e. formation of a newly made cell wall


ANSWER: b

Biology & Microbiology

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Trichomoniasis is the primary nonviral sexually transmitted disease worldwide. One complication of this infection is:

a. keratitis. b. endometritis. c. meningitis. d. appendicitis.

Biology & Microbiology

A hypothetical population has two alleles for a gene: A and a. In a random sample of 50 individuals, 20 are homozygous for a, 20 are homozygous for A, and 10 are heterozygous. What is the frequency of A?

A) 20% B) 40% C) 50% D) 60% E) 80%

Biology & Microbiology

List at least three environmental agents or factors that are known to cause cancer

What will be an ideal response?

Biology & Microbiology

Lipases break down

a. carbohydrates. b. proteins. c. nucleic acids. d. lipids.

Biology & Microbiology