Chapter 3 Review

Question 1

What is Biology?

Answer 1

the study of life

Question 2

All living organisms show some degree of order or organization. What is the smallest functional unit that exhibits all of the characteristics of life and order?

Answer 2

cell

Question 3

What are the products in the hydrolysis of ATP?

Answer 3

ADP, phosphate, and energy

Question 4

How many covalent bonds is a carbon atom able to form with other compounds or elements?

Answer 4

4

Question 5

Organic molecules that catalyze reactions in living systems are what?

Answer 5

enzymes

Question 6

the coumpound that is stored as glycogen in animals and starch in plants is what?

Answer 6

glucose

Question 7

Molecules with the same molecular formula but different structures are called what?

Answer 7

isomers

Question 8

Amino acids become linked together by peptide bonds during ___ reactions.

Answer 8

Condensation

Question 9

How many different types of monomers are found in proteins?

Answer 9

20

Question 10

What are the four major macromolecules of life?

Answer 10

carbohydrates; lipids; proteins; nucleic acids

Question 11

What is the monomer of a carbohydrate?

Answer 11

monosaccharide