AP BIOLOGY

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LABORATORY REVIEW

MOLECULAR BIOLOGY

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
The table shows the daily calorie intakes and frequencies of physical activity for four students of equal height and weight in one week.Student DailyCalorieIntake Physical Act1 1, 500 3 times a week2 2, 000 3 times a week3 2, 500 3 times a week4 3, 000 3 times a weekIf each student requires 2, 100 calories a day and exercise 4 times a week, which statement describes the general health of one of the students?
A
Student 1 will have the highest BMR
B
Student 2 will maintain a nearly constant weight
C
Student 3 will have he best bone strength.
D
Student 4 will develop the best muscle tone.
Explanation: 

Detailed explanation-1: -Formula used to calculate men’s calorie needs is = 66.5 + 13.8 x (body weight in kilograms) + 5 x (body height in cm) divided by 6.8 x age. Meanwhile for women= 655.1 + 9.6 x (body weight in kilograms) + 1.9 x (body height in cm) divided by 4.7 x age.

Detailed explanation-2: -The calorie requirement depends on your age, lifestyle and size (weight). For example, an active man of 70 kg requires about 2700 to 3000 calories per day depending upon the intensity of his physical activity. On an average, a healthy man needs about 2500 calories to maintain his weight.

Detailed explanation-3: -An ideal daily intake of calories varies depending on age, metabolism and levels of physical activity, among other things. Generally, the recommended daily calorie intake is 2, 000 calories a day for women and 2, 500 for men.

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