Question

1. the building blocks for protein are called: diglycerides amino acids phospholipids oligosaccharides 2) there are essential amino acids. 3 5 7 9

Explanation:

1. Proteins are composed of amino - acids which are their building blocks. Diglycerides are related to fats, phospholipids are part of cell membranes, and oligosaccharides are carbohydrates.
2. There are 9 essential amino acids that the human body cannot synthesize on its own and must be obtained from the diet.

Answer:

1. B. Amino acids
2. D. 9