Cellular Respiration Flashcards

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1
Q

Where does glycolysis occur?

A

in the cytosol

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2
Q

Where does the Krebs cycle occur?

A

in the matrix of the mitochondria

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3
Q

Where does the Electron Transport Chain occur?

A

in the cristae of the mitochondria

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4
Q

What factors affect the rate of respiration?

A

Temperature, Glucose availability, Oxygen concentration

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5
Q

Define ATP

A

Universal currency of energy in a cell

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6
Q

Define coenzymes

A

Molecules that are used as loaded or unloaded forms to move energy, protons and electrons between reactions in the cell in a cyclical manner

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7
Q

Name the outputs of glycolysis in aerobic respiration

A

2 pyruvate, 2ATP and 2 NADH

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8
Q

Name the waste product formed in animals from anaerobic respiration

A

Lactic acid (Lactate)

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9
Q

Name the waste product formed in yeast and plants from anaerobic respiration

A

Ethanol and carbon dioxide

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10
Q

Name the products of the Krebs cycle

A

Carbon dioxide and 8NADH, 2 FADH2 and 2 ATP.

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11
Q

Name the products of the Electron Transport Chain

A

26-28 ATP. Water, 10 NAD+ 2 FAD+

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12
Q

Name three features that indicate mitochondria’s endocymbiotic background

A

Own DNA genome
Bacterial ribosomal RNA
Double membrane

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13
Q

How many ATP are made in aerobic respiration?

A

30-32 ATP

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14
Q

How many ATP are made in anaerobic respiration?

A

2 ATP

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15
Q

How many net ATP are made in glycolysis?

A

2 ATP

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16
Q

How many net ATP are made in the Krebs cycle?

A

2 ATP

17
Q

How many net ATP are made in the Electron Transport Chain?

A

26-28ATP

18
Q

Write the word equation for aerobic cellular respiration

A

Glucose + Oxygen goes to Carbon dioxide + Water

19
Q

Write the chemical equation for aerobic cellular respiration

A

C6H12O6 + 6O2 goes to 6CO2 + 6H2O

20
Q

What is the crinkly part of the mitochondria called?

A

Cristae

21
Q

Describe the process of glycolysis

A

Glucose is broken into 2 Pyruvate creating 2ATP and 2NADH

22
Q

Describe the process of the Krebs cycle

A

Removal of H+ions from pyruvate creating loaded coenzymes and CO2 as a waste product

23
Q

Describe the process of the Electron Transport Chain

A

Loaded coenzymes molecules and H+ ions are used to create a concentration gradient that drives the synthesis of ATP. Oxygen is the final acceptor of the H+ ions and electrons forming water.

24
Q

Which part of aerobic respiration doesn’t actually require oxygen?

A

Glycolysis (this would therefore occur in both anaerobic and aerobic)