Question

1. a product contains 4 grams of protein, which is equivalent to ________ calories.

4 calories
8 calories
16 calories
24 calories

1. animal products are the only sources of complete proteins.

true
false

Explanation:

Step1: Recall calorie - protein conversion

Each gram of protein provides 4 calories.

Step2: Calculate calories for 4 grams of protein

$4\times4 = 16$ calories.

For question 12:
Plant - based sources like quinoa, soybeans, and amaranth are also sources of complete proteins.

Answer:

1. C. 16 calories
2. B. False