When the body needs energy quickly, pyruvate is converted to ____________________; when the energy expenditure is slower, pyruvate is broken down into ____________________
: Fill in the blank with correct word
lactate; acetyl CoA
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Research has shown that supplements containing both ephedra and caffeine can help prolong
the time that it takes an athlete to become exhausted during a workout. Indicate whether the statement is true or false
All of the following are true of protein turnover EXCEPT:
a. the diet is the source of most of the amino acids in the amino acid pool. b. an increase in amino acid metabolism will increase urea production. c. proteins in all cells, tissues, and organs are constantly being broken down. d. proteins being resynthesized will fluctuate in response to physiological demands
Which dietary supplement lacks beneficial effects or has adverse side effects according to human studies with various herbal remedies?
a. ginseng b. prebiotics c. ginger d. licorice root e. vitamin K
Once dialysis is initiated in a patient with chronic kidney disease, the recommended protein intake _____
a. is less restrictive b. is more restrictive c. remains the same d. emphasizes the addition of nonessential amino acid sources e. emphasizes the addition of phosphorus and calcium