1. Most of the tissues in our body are made up of .
a. carbohydrates b. starch c. protein d. mineral / vitamin

2. The sun can also cause mutation in humans due to
a. UV radiation b. solar eclipse C. sun spots d. corona virus

3. Proteins that help promote muscle growth and mass belong to the following protein type
a. derived b. conjugated c. simple d. fibrous

4. When sex cells carry a pair of X chromosomes, we know the person is born a
a. male b. female c. calico d. cannot be determined

5. Amino acids are organic compounds that contain the following elements except
a. helium b. nitrogen C. carbon d. hydrogen​