Which chromosome has a telomere but the p arm is much shorter than the q arm?
A) metacentric
B) telocentric
C) submetacentric
D) sex chromosome
E) acrocentric
Answer: E
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Exceptions to the genetic code have been identified. Which one of the following is a known exception?
A. A codon might not always encode the same amino acid. B. A single stop codon, UGG, may be the only stop codon recognized. C. Alanine codons instead of methionine codons may be used for the initiation of translation. D. The codons in mitochondria are reversed (e.g., instead of AUG, the methionine codon in mitochondria is GUA).
Imagine you have extracted myosin molecules from both fast and slow twitch muscle fibers and are measuring the rate at which these proteins hydrolyze ATP. What would these relative rates of ATP hydrolysis be?
A. fast twitch fiber > slow twitch fiber B. slow twitch fiber > fast twitch fiber C. slow twitch fiber = fast twitch fiber
In females, meiosis II is completed
a. before birth. b. at the time of birth. c. when eggs are ovulated each month. d. at puberty. e. only if the egg is fertilized.
In the disease hemophilia A, a male with a recessive allele ____
a. is classified as a carrier b. is always affected c. has normal clotting unless the situation is severe d. carries the trait on two chromosomes e. has a 100% chance of passing the trait to his son