Ch. 8.1- Defining Metabolism

Question 1

Define metabolism

Answer 1

The chemical reactions that organisms use to break down substances to release energy, as well as to reactions that use the released energy to build new substances.

Question 2

Define endproduct

Answer 2

The end result of a biochemical pathway

Question 3

Define intermediates

Answer 3

Molecules made between the start and end of a biochemical process.

Question 4

Define amphibolic

Answer 4

Have a duel role and can be used for both breaking down and building up substances.

Question 5

Catabolic reactions are usually:

Answer 5

Hydrolytic and exergonic

Question 6

Define hydrolytic reactions

Answer 6

Use water to break apart molecules

Question 7

Define exergonic

Answer 7

Reactions that release more energy than they use.

Question 8

Define endergonic

Answer 8

Use more energy than they release.

Question 9

Define dehydration synthesis

Answer 9

Reactions that remove water to form chemical bonds.

Question 10

Define biosynthetic reactions

Answer 10

Another term for anabolic reactions- which use energy to build molecules.

Question 11

What type of reaction creates ATP?

Answer 11

Catabolic

Question 12

What is ATP made of?

Answer 12

Adenine, ribose, and three phosphate groups.