Lipid catabolism yields 1.3 times as much ATP compared to aerobic glucose metabolism. So why is lipid catabolism not the prime source of ATP in the human body?
A) Most people do not have enough lipid reserves.
B) Water-soluble enzymes cannot easily get to the lipid droplets.
C) Lipid catabolism occurs in the cytosol where oxygen availability is limited.
D) Lipid catabolism occurs primarily during times of starvation.
E) Lipid catabolism produces large amounts of nitrogenous wastes, which are taxing on the liver.
B) Water-soluble enzymes cannot easily get to the lipid droplets.
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Label G represents which structure?
A) circular fold
B) submucosa
C) muscularis externa
D) serosa
E) mucosa
In the spinal cord, the gray matter is arranged into ______ and the white matter is arranged into _____
Fill in the blank(s) with the appropriate word(s).
Which of the following statements about the spinal cord is NOT correct?
A) It has two enlargements. B) It extends to the level of lumbar vertebra three in an adult. C) It gives rise to 31 pairs of spinal nerves. D) It has a central canal that is continuous with the fourth ventricle of the brain
How does the muscular system contribute to osteoporosis?
A. blood clotting starts repair process B. inadequate amounts of calcium and vitamin D in the diet C. calcitonin is used to treat osteoporosis D. pain following injury helps prevent further injury E. lack of exercise reduces muscle stress on bone