Cellular Respiration

Question 1

Cellular Respiration Equation

Answer 1

Glucose + Oxygen ➡️ Carbon Dioxide + Chemical Energy (in ATP)

Question 2

Where does glycolysis occur in a cell

Answer 2

The cytoplasm

Question 3

Glycolysis doesn’t require what

Answer 3

Oxygen

Question 4

Where do the Krebs cycle and electron transport occur in the cell

Answer 4

The mitochondria

Question 5

What do the Krebs cycle and electron transport require

Answer 5

Oxygen

Question 6

Where does the Krebs cycle take place in the mitochondria

Answer 6

The matrix

Question 7

Where does the electron transport stage of cellular respiration take place in the mitochondria

Answer 7

On the inner membrane

Question 8

What are the three stages of cellular respiration

Answer 8

Glycolysis, Krebs cycle, and electron transport - in that order

Question 9

What is cellular respiration

Answer 9

The process by which organisms release the energy in glucose to make ATP.

Question 10

A mitochondria has an ______ and _____ membrane

Answer 10

Inner and outer

Question 11

The ______ is the fluid inside the inner membrane of a mitochondria

Answer 11

Matrix

Question 12

What is the first product of glycolysis

Answer 12

Pyruvate or pyruvic acid

Question 13

In glycolysis, ______ is split into two _______ pyruvate molecules. This releases energy and is transferred to ATP.

Answer 13

Glucose ; 3-carbon

Question 14

The energy released during glycolysis is used to make what

Answer 14

Four ATP molecules

Question 15

During glycolysis, _________ are transferred to molecules of NAD+ to produce two molecules of NADH.

Answer 15

High-energy electrons

Question 16

NADH is used in what stage of cellular respiration to make more ATP

Answer 16

The third stage, the electron transport chain

Question 17

How many ATP are used during glycolysis to make four ATP

Answer 17

2 ATP

Question 18

What is the first product of the Krebs cycle

Answer 18

Citric acid

Question 19

What is pyruvate

Answer 19

The 3-carbon product of glycolysis

Question 20

Six carbon molecule

Answer 20

Citric acid

Question 21

After citric acid is formed, it goes through a series of reactions that ____________. The ______ is captured in molecules of NADH, ATP, and FADH2, another ______ carrying compound.

Answer 21

Release energy ; energy ; energy

Question 22

What is the waste product of the Krebs cycle

Answer 22

Carbon dioxide

Question 23

How many turns does it take for the Krebs cycle to finish and why

Answer 23

It takes two turns because pyruvate, which starts the Krebs cycle, is made twice during glycolysis.

Question 24

The energy made in the Krebs cycle is stored in what at the end of the Krebs cycle

Answer 24

4 ATP - two from glycolysis
10 NADH - two from glycolysis
2 FADH2

Question 25

During the Krebs cycle, energy stored in ______ is transferred to ______ and ______, and some ______ is produced.

Answer 25

Pyruvate ; NADH ; FADH2 ; ATP

Question 26

Where are the electron transport chains located for cellular respiration

Answer 26

They are located in the inner membrane of the mitochondria

Question 27

The electron transport chain is the ______ stage of aerobic respiration

Answer 27

Final

Question 28

After a single glucose molecule has been through the Krebs cycle, what is the total count of energy carrying molecules

Answer 28

4 ATP, 10 NADH, and 2 FADH2

Question 29

What molecule is passed between glycolysis and the Krebs cycle

Answer 29

Acetyl- CoA

Question 30

Citric Acid is formed by the reaction of ______ and ______.

Answer 30

Acetyl-CoA ; Oxaloacetate

Question 31

The Krebs cycle is important because it produces ____________.

Answer 31

NADH and FADH2

Question 32

What does the ATP synthase serve as in the electron transport stage

Answer 32

An enzyme and ion channel

Question 33

The chemiosmotic gradient is due to…

Answer 33

The pumping of hydrogen ions across the inner mitochondrial membrane

Question 34

In the process of alcoholic fermentation, pyruvic acid is converted to ______.

Answer 34

Ethanol

Question 35

Fermentation regenerates what molecule

Answer 35

NAD+

Question 36

In the presence of oxygen, energy is converted from glucose into numerous ATP molecules during…

Answer 36

Cellular respiration

Question 37

What are sources of energy for humans during exercise

Answer 37

ATP molecules, lactic acid fermentation, aerobic respiration

Question 38

What do carbohydrates not contain

Answer 38

Water

Question 39

What are three examples of a polysaccharide

Answer 39

Chitin, cellulose, starch

Question 40

What are carbohydrates made of

Answer 40

Monosaccharides

Question 41

What is an example of a monosaccharide

Answer 41

Glucose

Question 42

Sucrose consists of how many simple sugars

Answer 42

Two

Question 43

What is a carbohydrate

Answer 43

An organic compound used to store energy, such as sugar or starch

Question 44

Aerobic cellular respiration may produce a total of how many molecules of ATP

Answer 44

38

Question 45

During what stage of cellular respiration is the most ATP produced

Answer 45

Electron transport chain

Question 46

What process involves pyruvate reacting to form ATP and other molecules

Answer 46

The Krebs cycle

Question 47

Cellular respiration transfers chemical energy from ____________.

Answer 47

Glucose to ATP

Question 48

What products are synthesized during aerobic respiration

Answer 48

ATP and carbon dioxide

Question 49

True or False: Cellular Respiration uses carbon dioxide and water to produce ATP

Answer 49

False

Question 50

Anaerobic respiration produces energy - quickly or slowly

Answer 50

Quickly

Question 51

True or False - A major advantage of aerobic respiration is the amount of energy it stores

Answer 51

False

Question 52

What shape does glucose, fructose, and galactose have

Answer 52

Glucose - hexagon Galactose - hexagon Fructose - pentagon

Question 53

What process combines two monosaccharides together

Answer 53

Dehydration synthesis

Question 54

What disaccharide is made when two glucose molecules are made

Answer 54

Maltose

Question 55

What disaccharide is made when glucose and galactose are combined

Answer 55

Lactose

Question 56

What disaccharide is made when glucose and fructose are combined

Answer 56

Sucrose

Question 57

What process splits two monosaccharides apart

Answer 57

Hydrolysis

Question 58

What is the opposite of hydrolysis

Answer 58

Dehydration synthesis