When superoxide radicals accumulate, superoxide dismutase catalyzes the formation of hydrogen peroxide. What happens to the hydrogen peroxide??
A) ?It freely dissociates to water.
B) ?It is excreted in the urine and through the lungs.
C) ?It is converted to water and oxygen via catalase or glutathione peroxidase.
D) ?It is used in the synthesis of DNA and RNA.
C
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Untreated gastroesophageal reflux increases the risk for the more serious condition known as ____
a. Graves' disease. b. Sinclair's gastrum. c. Barrett's esophagus. d. Zollinger-Ellison cancer. e. Huntington's chorea.
Muscle growth dominates during heavy exercise, while protein breakdown escalates after exercise
a. True b. False Indicate whether the statement is true or false
Which combination provides high-quality protein?
a. black beans and corn b. pasta with broccoli, peppers, and sesame seeds c. peanut butter and white bread sandwich d. stir-fried cabbage, squash, and green peppers e. salad with pineapples
Which of the following foods provides the best source of dietary fiber??
A) Apples B) Oats C) Carrots D) Legumes E) Pasta