Chapter 9

Question 1

The amount of energy needed to raise the temperature of 1 gram of water 1 degree Celsius

Answer 1

Calorie

Question 2

The first step in releasing the energy of glucose in which a molecule of glucose is broken into two molecules of pyruvic acid

Answer 2

Glycolysis

Question 3

Electron carrier involved in glycolysis

Answer 3

NAD+

Question 4

The process by which cells release energy in the absence of oxygen

Answer 4

Fermentation

Question 5

The process that does not require oxygen

Answer 5

Anaerobic

Question 6

The process that does require oxygen

Answer 6

Aerobic

Question 7

The second stage of cellular respiration

Pyruvic acid is broken down into carbon dioxide in a series of energy- extracting reactions

Answer 7

Krebs cycle

Question 8

A series of proteins in which the high energy electrons from the Krebs cycle are used to convert ADP into ATP

Answer 8

Electron Transport Chain (ETC)

Question 9

What process is important in the process of baking bread?

Answer 9

Alcoholic termination

Question 10

What builds up in nuclear after a few seconds of intense activity?

Answer 10

Lactic acid Fermentation

Question 11

What requires oxygen and glucose?

Answer 11

Cellular respiration

Question 12

What is almost the opposite of photosynthesis?

Answer 12

Cellular respiration

Question 13

What produces 2 ATP molecules and pyruvic acid?

Answer 13

Glycolysis

Question 14

What is the bet energy gain in glycolysis?

Answer 14

2 molecules of ATP

Question 15

What causes a painful, burning sensation in muscles after a vigorous exercise?

Answer 15

Lactic acid

Question 16

What is another name for the Krebs cycle?

Answer 16

The citric acid cycle

Question 17

Where do organisms get the energy they need?

Answer 17

Food

Question 18

What are the three main stages in cellular respiration?

Answer 18

Glycolysis
Krebs cycle
Electron transfer chain

Question 19

What is the order where the. Odd source of energy takes it from?

Answer 19

The ATP already in the muscles
ATP made my lactic acid fermentation
ATP produced by cellular respiration

Question 20

Since photosynthesis removes carbon dioxide from the atmosphere, what does cellular respiration do?

Answer 20

It puts the carbon dioxide back into the atmosphere

Question 21

What would be the problem is CR took place in just one step?

Answer 21

It would all happen all at once and would loose energy

Question 22

Where does glycolysis take place?

Answer 22

In the cytoplasm

Question 23

How does the cell get glycolysis going?

Answer 23

It uses energy of 2 ATP molecules

Question 24

What organisms use alcoholic fermentation?

Answer 24

Yeast

Other micro organisms

Question 25

What does lactic acid fermentation convert into lactic acid?

Answer 25

Glucose

Question 26

During the Krebs cycle, how many molecules of CO2 are released?

Answer 26

2 molecules

Question 27

How is citric acid produced?

Answer 27

Acetyl CoA adds 2-carbon acetyl group to a 4-carbon molecule producing a 6-carbon molecule called Citric acid