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
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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.
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%
List at least three environmental agents or factors that are known to cause cancer
What will be an ideal response?
Lipases break down
a. carbohydrates. b. proteins. c. nucleic acids. d. lipids.