Chapter 9 - Cell Respiration Flashcards

0
Q

Measures calories in food by burning them

A

Calorimeter

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1
Q

The amount of energy needed to raise the temp of one gram of water one degree Celsius

A

Calorie

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2
Q

What does the body do with food?

A

Breaks it down and releases heat and electrons that make atp

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3
Q

What does cell respiration do?

A

Takes energy stored in glucose and makes usable energy

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4
Q

What is cell respiration about?

A

How Cells use oxygen and food

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5
Q

Where does cell respiration take place?

A

Mitochondria

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6
Q

Waste products of cell respiration?

A

Carbon dioxide and water

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7
Q

What is photosynthesis about?

A

How plants use carbon dioxide

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8
Q

What does photosynthesis do?

A

Changes the sun’s energy into sugar

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9
Q

Where does photosynthesis take place?

A

Chloroplast

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10
Q

Waste products of photosynthesis?

A

Oxygen

Glucose

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11
Q

Cell respiration pathway is for?

A

Making atp

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12
Q

4 steps of cell respiration

A

Glycolysis
Intermediate step
Krebs cycle
Electron transport chain

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13
Q

Summary of glycolysis and location

A

Splits apart glucose in the cytosol

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14
Q

location of intermediate step

A

Starts in cytosol and ends in mitochondria

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15
Q

Location of Krebs cycle

A

Mitochondrial matrix

16
Q

Location of electron transport chain

A

Inner membrane space and matrix

17
Q

2 types of respiration

A

Anaerobic

Aerobic

18
Q

What is anaerobic respiration and how many atp does it make?

A

Making atp without oxygen

2

19
Q

What is aerobic respiration and how many atp does it make?

A

Uses oxygen to make atp

38

20
Q

What does glycolysis do, and what is used to do it?

A

Split one glucose into two pyruvate

2 atp

21
Q

What is made in glycolysis?

A

2 nadh
4 atp
2 pyruvate

22
Q

What happens in the intermediate step?

A

Pyruvate is rearranged into acetyl- coa

23
Q

What is made in the intermediate step?

A

2 carbon dioxide
2 nadh
2 acetyl- coa

24
What happens in Krebs cycle?
Acetyl coa breaks up into various energies
25
How many times does the cycle spin per glucose?
2
26
What is made in the Krebs cycle?
2 atp 6 nadh 2 fadh2 4 co2
27
What creates the electron transport chain?
Proteins
28
What is used to power the electron transport chain?
All the nadh and fadh2 from the last steps
29
What do nadh and fadh2 do specifically?
Supply electrons and hydrogen
30
What do the electrons do?
Power hydrogen across the inner membrane
31
What is atp synthase?
A protein that allows hydrogen back through the inner membrane
32
What does the hydrogen do when crossing through the protein?
Goes so fast it gives off enough energy to make atp from adp
33
What does nadh do?
Donates electrons and hydrogen to make 3 atp
34
What does fadh2 do?
Donates electrons and hydrogen to make 2 atp
35
What do the electrons that have given up all their energy do?
Fall go the half oxygen
36
What does each half oxygen do?
One finds two hydrogen to make water | The other is an oxidant and burns everything it touches until made into water or caught by an antioxidant
37
Examples of antioxidants
Red fruit and veggies Dark green veggies Purple fruit veggies
38
Net atp made
38