Question

What type of large molecule is responsible for repair and growth of cells?

a. proteins
b. carbohydrates
c. lipids

Answer 1

The answer is a. proteins

Answer 2

`\boxed {\boxed {\sf A.\ Protein}}`

Step-by-step explanation:

Macromolecules play many important roles in the body. Let's list the functions of proteins, carbohydrates, and lipids.

Proteins:

• These molecules help with growth, building and repairing cells, transporting substances, and acting as enzymes or hormones.

Carbohydrates:

• These molecules are used for energy. They can provide quick energy, because they are easy to break down.

Lipids:

• These help store energy for later use, plus they are sometimes insulators and hormones.

Based on the information, the molecule responsible for repair and growth must be protein.