The first step of glycolysis is
A) phosphorylation of glucose. B) deamination of glucose.
C) condensation of glucose to lactate. D) dephosphorylation of glucose.
A
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The total amount of skeletal muscle in the body is known as ____
A) body mass B) muscle mass C) fat-free mass D) lean body mass
Which of the following is a feature of water metabolism during exercise?
a. The maximum loss of fluid per hour of exercise is about 0.5 liters. b. In cold weather, the need for water falls dramatically because the body does not sweat. c. Sweat losses can exceed the capacity of the GI tract to absorb water, resulting in some degree of dehydration. d. Heavy sweating leads to a marked rise in the thirst sensation to stimulate water intake, which delays the onset of dehydration. e. Water loss of greater than 1 percent can decrease capacity to do muscular work.
What is the recommended intake of alpha-linolenic acid for a 13-year-old boy?
A. 10 g/day B. 1.0 g/day C. 0.9 g/day D. 1.2 g/day E. 15 g/day
When sprinting a 400 meter dash, which of the following is your primary source of fuel?
a. carbohydrate b. fat c. a mixture of fat and carbohydrate d. protein and carbohydrate