If left untreated, an infection with ___ can lead to pelvic inflammatory disease and infertility.
A. Streptococcus pneumoniae
B. N. meningitidis
C. N. gonorrhoeae
D. Streptotoccus pyogenes
E. Staphylococcus aureus
Answer: C. N. gonorrhoeae
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Which of the following is NOT TRUE regarding the evolutionary trends from ape-like ancestors to modern humans?
A. The evolution of larger brain size facilitated the evolution of bipedal posture. B. The evolution of bi-pedal posture would have facilitated long-distance travel since walking on two legs is more energetically efficient than four legs. C. The evolution of bi-pedal posture would facilitate tool use by freeing up the hands. D. Many primates are partially bi-pedal as indicated by knuckle-walking.
Which statement is least consistent with the beliefs of Lamarck?
A. “Fluida” moves into areas of the body in need of change. B. Acquired characteristics are inherited. C. Giraffes’ necks have become longer in response to stretching. D. Environmental pressures bring about changes in organisms. E. Changes in an individual are not passed to its offspring.
The primary function of the mitochondrion is the production of ATP. To carry out this function, the mitochondrion must have all of the following except
A) the membrane-bound electron transport chain carrier molecules. B) proton pumps embedded in the inner mitochondrial membrane. C) enzymes for glycolysis. D) enzymes for the citric acid cycle. E) mitochondrial ATP synthase.
Chemotaxis refers to the ability to
A. move in response to light. B. move in response to a chemical. C. not move in response to a chemical. D. transport desired molecules into cell. E. None of the choices is correct.