Which male organism contains two identical sex chromosomes?
a. turtles
b. birds
c. chimpanzees
d. dogs
e. lizards
ANSWER: b
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What are the odds a child will inherit a recessive disorder if both parents are heterozygous?
a. 50% b. 40% c. 25% d. 75% e. 33%
Even though our muscle cells contain mitochondria and normally undergo aerobic respiration, during
strenuous activity lactate is formed, which contributes to cramps in our muscles. What is the evolutionary advantage of lactate production in our cells? What will be an ideal response?
Which of the following is NOT true about antineopalstics?
A) they block DNA replication B) they block mitosis C) they kill only cancer cells D) they block protein and RNA synthesis
The majority of reduced NAD is produced in
A. glycolysis. B. Krebs cycle. C. photosynthesis. D. the electron transport chain.