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slava [35]
3 years ago
10

4.

Biology
1 answer:
Levart [38]3 years ago
7 0
I'm assuming your test is done by now, but the answer is B. An ion forms when an atom has a positive or negative charge. In other words, an atom is an ion whenever the amount of protons and electrons are unequal.
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Anna tries to keep her kilocalorie intake under control. She eats mostly lean meats or fish and a lot of vegetables. Yesterday,
n200080 [17]

Answer:

The calories Anna consumed for dinner is 315 kcal (300kcal). The calories that came from proteins is 108 kcal (100kcal).

Explanation:

Macronutrients are nutrients such as protein, carbohydrates, and fat that provide the energy required for the normal functioning of the body. Usually, the energy obtained from macronutrients is expressed in calories. Each gram of protein provides 4 kilocalories while each gram of fat provides 9 kilocalories. Carbohydrates per gram also provide 4 kilocalories.

Here, Anna consumed  7 grams of fat (in salmon)

, 36 grams of carbohydrates (in sweet potatoes and asparagus)  and 27 grams of protein (in salmon, sweet potatoes, and asparagus) for the dinner.

Therefore, total calories in 7 grams of fat is 7*9=63 kilocalories.

Total calories in 36 grams of carbohydrates is 36*4=144 kilocalories.

Total calories in 27 grams of protein is 27*4=108 kilocalories.

Therefore, the total calories Anna consumed for dinner is 63+144+108=315 kilocalories i.e., 300 kcal.

The calories that came from proteins is 108 calories  i.e., 100 kcal.

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