chapter 3

Question 1

define metabolism

Answer 1

All the chemical reactions that take place in cells, and therefore in the
organism of which the cells are a part, are referred to as metabolism.

Question 2

define catabolic metabolism

Answer 2

the reactions in which large molecules are broken down to smaller ones, a process known as catabolism.
Catabolic reactions release energy.

Question 3

example of catabolism

Answer 3

digestion

Question 4

define anabolic metabolism

Answer 4

the reactions in which small molecules are
built up into larger ones, a process known as anabolism. Anabolic
reactions require energy.

Question 5

example of anabolism

Answer 5

Protein synthesis

Question 6

define nutrient

Answer 6

A nutrient is any substance in food that is used for growth,
repair or maintaining the body; that is, any substance required
for metabolism.

Question 7

name the six groups of nutrients

Answer 7

water, carbohydrates, lipids, proteins, minerals, vitamins

Question 8

what is an organic compound

Answer 8

an organic compounds aer molecules with a carbon chain. including carbohydrates, lipids, and protein.