select the correct answer from each drop-down menu.
carbohydrates are the primary source of energy for the human body.
if your body lacks enzymes that break down carbohydrates, it would be unable to get
you lacked the enzyme to digest proteins, you may not absorb enough
for energy production.

2. which of the following statements does not accurately describe stem cells? a. embryonic stem cells make up the inner cell mass of a blastocyst. b. with more research, stem cells may be used to repair or replace damaged cells. c. the use of stem cells is without any objections since it can be used in therapies to humans. d. adult stem cells are multipotent and can differentiate into many types of cells.