Cellular Respiration

Question 1

Where do organisms get the energy they need?

Answer 1

From food molecules when their chemical bonds are broken

Question 2

What is energy?

Answer 2

The ability to do work

Question 3

How is the energy stored in food expressed?

Answer 3

As calories

Question 4

What is a Calorie?

Answer 4

the amount of energy needed to raise the temperature of 1 g of water, 1 degree Celsius

Question 5

The Calorie on a food label is really what kind of calories?

Answer 5

Kilocalorie (1000 calories)

Question 6

How many Calories are in 1 g of carbs?

Answer 6

4 Calories

Question 7

How many Calories are in 1 g of protein?

Answer 7

4 Calories

Question 8

How many Calories are in 1 g of fat?

Answer 8

9 Calories

Question 9

What is cellular respiration?

Answer 9

the process that releases energy from food in the presence of oxygen

Question 10

What are the reactants of cellular respiration?

Answer 10

glucose + oxygen

Question 11

What are the products of cellular respiration?

Answer 11

water + carbon dioxide + energy (ATP)

Question 12

Where does cellular respiration occur?

Answer 12

mitochondria

Question 13

How many membranes does a mitochondria have?

Answer 13

2: An inner membrane and an outer membrane

Question 14

What are the folds of the inner membrane called?

Answer 14

cristae

Question 15

What is the inside of the mitochondria called?

Answer 15

matrix

Question 16

What are the 3 stages of C.R.

Answer 16

glycolysis, Kreb cycle, electron transport chain (AKA oxidative phosphorylation)

Question 17

What does anaerobic mean?

Answer 17

without oxygen

Question 18

what does aerobic mean?

Answer 18

with oxygen

Question 19

Which of the stages in anaerobic?

Answer 19

glycolysis

Question 20

Which of the stages is aerobic?

Answer 20

Kreb Cycle and the electron transport chain

Question 21

How do cell respiration and photosynthesis compare

Answer 21

Photosynthesis deposits energy while CR withdraws or energy, they are opposites on a global level, the waste products of one are the raw materials for the other

Question 22

What are NADH and FADH2?

Answer 22

energy carrying molecules

Question 23

Where do NADH and FADH2 carry their energy?

Answer 23

in their electrons

Question 24

Why are NADH and FADH2 so important?

Answer 24

they provide the energy (electrons) that will power the making of ATP in the last stage during oxidative phosphorylation

Question 25

Why are the stages of glycolysis and the kreb cycle so important?

Answer 25

They provide the energy carrying molecules NADH and FADH2 that will power the making of ATP in the last stage

Question 26

Who is the reduced in the last stage, oxidative phosphorylation?

Answer 26

oxygen

Question 27

When oxygen is reduced what does it form?

Answer 27

water (H2O)

Question 28

What is the reactant of glycolysis?

Answer 28

glucose

Question 29

What is the product of glycolysis?

Answer 29

2 pyruvic acid (pyruvate)

Question 30

What is the reactant of the Kreb Cycle?

Answer 30

2 acetyl co-A

Question 31

What are the products of the Kreb Cycle?

Answer 31

NADH, FADH2, CO2, ATP

Question 32

Which organisms does alcoholic fermentation occur in?

Answer 32

yeast

Question 33

Which organisms does lactic acid fermentation occur in?

Answer 33

animal cells and bacteria

Question 34

What type of alcohol is produced in alcoholic fermentation?

Answer 34

ethanol

Question 35

What is another term for anaerobic respiration?

Answer 35

fermentation

Question 36

What is another term for aerobic respiration?

Answer 36

cellular respiration

Question 37

if something has 30 grams of carbs, how many calories does it provide you with?

Answer 37

120 Calories

Question 38

Where do the H+ ions get energy from to actively transport from the matrix to the intermembrane space?

Answer 38

electrons

Question 39

Who is oxidized during the last stage, oxidative phosphorylation (ETC)?

Answer 39

NADH and FADH2

Question 40

What food/drink are produced through alcoholic fermentation?

Answer 40

wine, beer, bread

Question 41

What food/drink are produced through lactic acid fermentation?

Answer 41

dairy products (cheese, yogurt), sauerkraut (pickled vegetables)