Blood arriving in the right atrium has just come from the ________
A) left atrium B) venae cavae and coronary sinus
C) aorta D) right ventricle
Answer: B
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Which organelle contains nucleic acids?
a. ribosomes b. Golgi apparatus c. mitochondria d. both A and C above
Which of the following characterizes Duchenne muscular dystrophy?
A. Muscles atrophy due to a loss of fat and scar tissue. B. There is a defective gene for the protein called duchennase. C. More females are affected than males. D. Muscles atrophy due to lack of response to acetylcholine. E. There is a defective gene for the protein called dystrophin.
ATP synthase
a. pumps H+ ions into the intermembrane space b. transports oxygen c. accepts H+ ions from NADH d. is not part of the ETS e. uses ATP to pump H+ out of the mitochondrial matrix
Which of the following joints permits slight movement?
A) gomphosis B) suture C) syndesmosis D) synchondrosis E) synovial