Answer the following questions true (T) or false (F)
1. Most metabolic reactions take place in the mitochondria of cells.
2. Cells use ATP to provide energy for metabolic reactions.
3. ATP must be regenerated from ADP and phosphate (which can be donated by creatine phosphate) or produced during anaerobic metabolism, which can fuel the body for no more than 1.5 minutes, or aerobic metabolism, which can continue indefinitely.
1. TRUE
2. TRUE
3. TRUE
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How is physical activity related to physical fitness?
A) Physical activity must be aerobic to increase physical fitness. B) Low-intensity physical activities such as gardening and housekeeping do not contribute to physical fitness. C) Physical activity promotes physical fitness. D) Physical activity that is not purposeful, planned, and structured does not promote physical fitness.
Approximately how many kcalories are expended per kilogram body weight when walking a mile at a moderate pace?
a. 0.1 b. 1 c. 2.5 d. 5
ChooseMyPlate recommends which type of milk?
a. whole b. 2% c. 1% or fat-free d. organic e. lactose-free
The Acceptable Macronutrient Distribution Range (AMDR) for alpha-linolenic acid is:
A) 10-35% of Calories. B) 5-10% of Calories. C) 0.6-1.2% of Calories. D) 20-35% of Calories. E) None of the above