Cells lining the digestive tract replace themselves every:
a. 12 months.
b. 4 months.
c. 2 weeks.
d. 3 days.
Ans: d. 3 days.
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Enzymes of metabolic pathways within the cytoplasmic matrix are often oriented so that the product of one enzyme is released in close proximity to the next enzyme for which it is a substrate, to facilitate the velocity of the overall pathway. This arrangement includes enzymes of ____
A) ?beta-oxidation B) ?glycolysis C) ?ketone production D) ?the Krebs cycle
Which of the following is an example of an anaerobic activity?
A) Swimming for 20 minutes B) Walking for 10 minutes C) Sprinting D) Lifting weights E) c, d
Which of the following would help you get more consistent and restful sleep?
A) long naps during the day B) watching a scary movie at night C) bright light in the morning D) caffeinated beverages after 4:00 PM
Arthur is an elite long-distance cyclist who has achieved much success in his sport. Genetically, Arthur likely has a higher concentration and activity of type I muscle fibers, as compared to type IIa or type IIb muscle fibers.
Answer the following statement true (T) or false (F)