The Ames Test uses______ to determine the ability of a compound to cause______.
a) Bacteria, AIDS
b) Viruses, Cancer
c) Bacteria, Cancer
d) Viral cells, AIDs
Answer: c) Bacteria, Cancer
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While doing a pedigree analysis of a royal family from the ancient Mayan empire, you notice that a prince with the genetic disease married a person from outside the royal family without a history of the disease in her family
Of their six children, two have the disease and four are not affected. The prince's mother and his father also had this disease. If this disease is controlled by a single gene, then the most likely explanation for disease in the children would be: A. the disease is a spontaneous mutation. B. the disease is recessive and is only seen in homozygous recessive individuals such as the two affected children. C. the disease is dominant and is only seen in homozygous dominant individuals. D. the disease is dominant and is seen in heterozygous or homozygous dominant individuals.
What happens in an electron transport chain?
a. Electrons move from a low energy level to a higher energy level. b. Electron movement generates energy which can be harvested. c. Electrons combine with hydrogen ions to generate electron carriers, like NADH. d. Energy is consumed. e. The energy generated is used to break down coenzymes like NADH and ATP
If a man and his wife are both homozygous for a disease-causing recessive gene, then
____________________ of their children will be affected. Fill in the blank(s) with the appropriate word(s).
An unapproved form of gene therapy, known as enhancement gene therapy, can create considerable ethical dilemmas. Why?
What will be an ideal response?