Question

Hemoglobin is found in red blood cells and carries oxygen from your lungs to the rest of the body. Insulin is a hormone used to regulate blood sugar levels. Since hemoglobin and Insulin are made of chains of amino acids, they are examples of which type of organic molecule?

A. Lipid
B. Protein
C. Carbohydrate
D. Nucleic acid​

Answer 1

B

Step-by-step explanation:

Proteins are made of chains of amino acids.