3A. Cellular Metabolism

Question 1

____ is the sum of all the biochemical reactions that occur in a living cell

Answer 1

Metabolism

Question 2

What type of reaction is this

AB -> A + B

Answer 2

Catabolism (Decomposition)

Question 3

____ reactions give off energy and are exergonic

Answer 3

Catabolism (Decomposition)

Question 4

____ reactions require energy and are endergonic

Answer 4

Anabolism (Synthesis)

Question 5

What type of reaction is this

A + B -> AB

Answer 5

Anabolism (Synthesis)

Question 6

Animals and humans are ____ consumers

Answer 6

primary

Question 7

Fungi, bacteria, and viruses are ____ consumers

Answer 7

Secondary

Question 8

____ is the heat required to raise the temperature of 1 gram of water 1°C

Answer 8

calorie

Question 9

____ is 1000 times a calorie

Answer 9

Calorie

Question 10

Why do we need ATP in a cell

Answer 10

1. Active Transport mechanism
2. To begin many catabolic reactions (Ex. Glycolysis)
3. Anabolic reactions, especially foe protein and DNA synthesis

Question 11

____ are organic catalysts which are globular proteins

Allows reactions to occur which normally could not occur in their absence

Answer 11

Enzymes

Question 12

Complex enzymes are composed of a protein part and a ____ part joined together usally by an ion of ____

Answer 12

Cofactor; Magnesium

Question 13

We must have a daily supply of vitamins becauese we use them up in ____ enzyme reactions

Answer 13

complex

Question 14

Glycolysis produces ____ ATP

Uses ____ ATP

Net gain of ____ 8 ATP

Answer 14

10

2

8

Question 15

____ ATP is produced for one molecule of glucose

Answer 15

38

Question 16

The Kreb’s Cycle produces ____ ATP

Answer 16

30