Which of the Following Is True About Energy Contents

question 103

Multiple Choice

Which of the following is true about energy contents?

• A) fat = 9 kcal/gram, carbohydrate = 7 kcal/gram, water = 0 kcal/gram
• B) carbohydrate = 7 kcal/gram, protein = 4 kcal/gram, alcohol = 7 kcal/gram
• C) water = 0 kcal/gram, protein = 4 kcal/gram, alcohol = 7 kcal/gram
• D) protein = 9 kcal/gram, fat = 4 kcal/gram, carbohydrate = 4 kcal/gram

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Definitions:

Membrane Permeability

The quality of a biological membrane that allows substances to pass through it, controlling the entry and exit of materials.

K+

Potassium ion, an essential electrolyte involved in various body functions including nerve signal transmission and muscle contraction.

Hyperpolarize

A change in a cell's membrane potential that makes it more negative, moving it further away from initiating an action potential.

Hyperpolarization

An increase in a cell's membrane potential, making the interior of the cell more negative and less likely to fire an action potential.