Question

Why is building muscles often associated with a need for amino acids?

Skeletal muscle cells act as a storage location for amino acids. The more amino acids they store, the bigger the muscles become.

There are 4 calories/gram of amino acids and amino acids are the only type of fuel muscle cells can use.

Skeletal muscles are full of long protein fibers (actin and myosin).To build more muscle, the cells will need more amino acids to build these two proteins.

Skeletal muscle cells use the amino acids to make glycogen stores, which increase the size of the skeletal muscle cell.

Which one is correct^ please help!!

Answer 1

Skeletal muscles are full of long protein fibers (actin and myosin).To build more muscle, the cells will need more amino acids to build these two proteins.

Step-by-step explanation:

The correct option is "To build more muscle, the cells will need more amino acids to build these two proteins (actin and myosin)." Amino acids are the building blocks of proteins, and muscle growth is primarily driven by an increase in muscle protein synthesis. Consuming sufficient amounts of dietary protein, which is broken down into amino acids in the body, is important for providing the raw materials needed for muscle growth and repair. However, the other options provided in the question are not accurate. While amino acids can be used for energy, they are not the only type of fuel that muscle cells can use, and skeletal muscles do not use amino acids to make glycogen stores (glycogen is a form of stored glucose, not amino acids).