Question

1. ____ are necessary for the bodys maintenance, growth, and repair. (a) proteins (b) carbohydrates (c) fats (d) vitamins

Explanation:

Proteins are essential macronutrients that play a crucial role in the body's maintenance, growth, and repair of tissues. They are made up of amino - acids and are involved in many biological processes. Carbohydrates are mainly for energy supply, fats are for energy storage and insulation, and vitamins are for various metabolic functions but not the primary for maintenance, growth, and repair.

Answer:

A. Proteins