During the cardiac cycle, which of the
following is the correct order of events?
a. atria contract, atria and ventricles relax,
ventricles contract
b. ventricles contract, atria contract, atria and
ventricles relax
c. atria and ventricles relax, atria contract,
ventricles contract
d. ventricles contract, atria and ventricles
relax, atria contract
e. none of these
C
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Bacterial and eukaryotic replication have many similarities. Which of the following is not a true comparison?
A. Both form loops with the lagging strand template to accommodate the antiparallel nature of DNA. B. Both incorporate a sliding clamp mechanism in their replication polymerase. C. Both the primase of bacteria and Pol ? of eukaryotes are responsible for primer synthesis and only incorporate ribonucleotides. D. Eukaryotic replication rates are slower than bacterial rates. E. The Okazaki fragments generated in eukaryotes are shorter than those in bacteria.
One application of knowledge of when flowering occurs is related to:
A. pollen allergy reactions B. how much water the plant is receiving C. how often to expect plants to flower D. temperature relationships E. when to expect insects to be more abundant
Studies have shown that a woman's life expectancy is diminished due to menstruation
Indicate whether the statement is true or false
During the spring calving season, a ranch hand begins to run a fever and feel nauseous and achy. After he develops a headache and vomiting, he goes to a clinic. A microscopic exam of a urine sample reveals long thin microbes which move very rapidly in a
corkscrewing pattern. The man may have contracted A) lymphogranuloma venereum. B) glomerulonephritis. C) leptospirosis. D) staphylococcal toxic shock syndrome. E) trichomoniasis.