The human genome is estimated to contain _____ genes.
a. 10,000
b. 13,000
c. 16,000
d. 19,000
e. 22,000
Question 2
Which substances, produced as a result of genetic codes, are central to life and health because they determine which chemical changes will take place within the body?
a. glucose and hormones
b. enzymes and proteins
c. cholesterol and triglycerides
d. insulin and glucagon
e. glycogen and water