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Science > Chapter 7 > Flashcards

Chapter 7 Flashcards

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0
Q

What is the complete balanced equation for respiration

A

C6H12O6->6CO2+6H2O+energy(ATP)

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1
Q

What is cellular respiration

A

The process of breaking down glucose to release energy and form molecules of ATP

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2
Q

What is the C6 molecule initially broken down into?

A

Pyruvate

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3
Q

Does this breakdown require oxygen

A

No

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4
Q

What does anaerobic mean?

A

Without presence of O2 (oxygen)

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5
Q

What is glycolysis? Where does it occur

A

“Glucose breaking” , cytoplasm

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6
Q

Besides pyruvic acid, what does glycolysis produce

A

2 ATP and 2 NADH

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7
Q

How many ATPs are formed in glycolysis

A

2

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8
Q

After glycolysis, how many steps are involved in aerobic respiration?

A

2

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9
Q

Where does the aerobic stage of respiration take place

A

Mitochondria

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10
Q

What are the steps in aerobic respiration

A

Krebs cycle

Electron transport chain

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11
Q

What is another name for the Krebs cycle

A

Citric acid cycle

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12
Q

Who was it named for

A

Hans Krebs

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13
Q

What is released as a waste product in the Krebs cycle

A

CO2

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14
Q

What is the electron transport chain

A

NADH and FADH formed in the Krebs cycle move from the matrix of mitochondria to the inner membrane called cristae, also called oxidative phosphorylation

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15
Q

Where are the molecules of the electron transport chain located

A

Cristae

16
Q

What is the final electron acceptor in the chain

A

Oxygen

17
Q

When oxygen accepts the electrons, what is formed?

A

Water

18
Q

What 2 compounds so you exhale ? In what processes(be specific) are these products produced?

A

CO2 (Krebs Cycle), water (ETC)

19
Q

What is the total number of ATPs that can be formed from the breakdown of one glucose molecule

A

38 ATP

20
Q

What are 3 end products of cellular respiration in what processes are each product produced

A

NADH (Krebs Cycle), FADH2 (Krebs cycle) ATP (Krebs cycle and ETC)

21
Q

At the end of glycolysis, if no oxygen is present to break down pyruvic acid, what can happen

A

Fermentation (alcoholic or lactic acid)

22
Q

Name the two major types of fermentation, how many ATPs are formed in fermentation

A

Alcoholic and lactic acid, 2ATP

23
Q

Where does lactic acid fermentation take place ( what type of cells)

A

Animal cells

24
Q

What organisms carry out alcoholic fermentation

A

Bacteria, fungi, and yeast

25
Q

What are the end products of alcoholic fermentation

A

Alcohol, CO2, and NAD+

26
Q

We use fermentation to make what food/drink items?

A

Alcohol and yeast (bread)

27
Q

What % of energy is lost if a cell goes through fermentation

A

98%

28
Q

Whig is the source of bubbles in an alcoholic beverage?

A

CO2, it means fermentation is taking place

29
Q

What are NADH and FADH2

A

Organic carrier molecules

30
Q

What is the major function of fermentation

A

Converting the NADH back to NAD+

31
Q

List the formula for lactic acid and alcoholic fermentation

A

Lactic acid : pyruvic acid + NADH -> lactic acid + NAD+

Alcoholic fermentation: pyruvic acid + NADH -> alcohol + CO2+NAD+

32
Q

KNOW THE CELL PARTS AND FUNCTIONS

A

!!!!!!!!!!!!!!!

33
Q

DO THE ORGANELLE STUFF ON PAGE

A

!!!!!!!!!!!!

34
Q

Where does the Krebs cycle occur

A

Matrix

35
Q

Where does the electron transport chain occur?

A

The cristae

36
Q

What process is the opposite of cellular respiration

A

Photosynthesis

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