After chromosomes are duplicated, each of the new copies is called a _____
a. centromere
b. sister chromatid
c. replicate
d. clone
e. nucleosome
b
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Which of the following hepatitis viruses is mismatched with its description?
A. Hepatitis A virus - nonenveloped, single-stranded RNA enterovirus B. Hepatitis B virus - enveloped DNA virus C. Hepatitis C virus - RNA virus D. Hepatitis D virus - defective RNA virus that coinfects with hepatitis A virus
Which embryonic tissue is incorrectly associated
with its derivative? a. skin; mesoderm b. nervous system; ectoderm c. liver; endoderm d. circulatory system; mesoderm e. brain; ectoderm
One of the most common repetitive motion injuries is
a. a sprained ankle. b. a dislocated shoulder. c. carpal tunnel syndrome. d. rheumatoid arthritis. e. a torn ligament.
Regular exercise does not reduce the risk of developing type II diabetes.
a. true b. false