*Unit 4 Part 3: Cellular Respiration Flashcards

Photosynthesis and Cellular Respiration

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1
Q

What is the goal of cellular respiration?

A

To make usable energy to do work in the cell

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2
Q

What do heterotrophs use the cellular respiration process for?

A

To break down food into energy

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3
Q

What are the needs of cellular respiration?

A

~Glucose
~Oxygen

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4
Q

What does cellular respiration produce?

A

~ATP
~CO2
~Water

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5
Q

What is the cellular respiration equation?

A

C6H1206 + O2 -> CO2 + H2O + ATP

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6
Q

What is the cellular respiration equation in words?

A

Glucose + Oxygen -> Carbon Dioxide + Water + Energy

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7
Q

The cellular respiration formula is the opposite of _____.

A

photosynthesis

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8
Q

Where in the cell does cellular respiration occur?

A

The cytoplasm and the mitochondria

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9
Q

How many stages of cellular respiration are there?

A

3

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10
Q

What are the stages of cellular respiration?

A
  1. Glycolysis
  2. Kreb’s Cycle
  3. Electron Transport Chain
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11
Q

Where does glycolysis occur?

A

In the cytoplasm

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12
Q

Is the following statement true or false?
Glycolysis is aerobic.

A

False

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13
Q

During the process of glycolysis, glucose is broken down into…

A

two pyruvate molecules.

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14
Q

What does glycolysis require the input of?

A

2 ATP

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15
Q

What does glycolysis produce?

A

2 NADH and 4 ATP

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16
Q

Where does kreb’s cycle occur?

A

In the mitochondrial matrix

17
Q

During kreb’s cycle, pyruvate…

A

is broken down into CO2 and released.

18
Q

During kreb’s cycle, energy rich molecules known as _____ and _____ are carried into the next step.

A

FADH; NADH

19
Q

During kreb’s cycle, how many ATP are produced?

A

2

20
Q

What does ETC stand for?
(its not et cetera)

A

Electron Transport Chain

21
Q

Where does ETC occur?

A

In the mitochondria intermembrane

22
Q

NADH and FADH from the _____ enter into the electron transport chain where ATP is formed from _____.

A

kreb’s cycle; ADP

23
Q

What is released through ETC?

A

Water

24
Q

What is produced through ETC?

A

32-34 ATP

25
Q

How much total ATP is made through cellular respiration?

A

36-38 Total ATP

26
Q

Photosynthesis and cellular respiration are _____ cycles.

A

opposite

27
Q

Aerobic

A

Occurs in the presence of oxygen

28
Q

Anaerobic

A

Does not occur in the presence of oxygen

29
Q

Which process/processes in cellular respiration are aerobic?

A

Kreb’s cycle and ETC

30
Q

Which process/processes in cellular respiration are anaerobic?

A

Gylcolysis

31
Q

Is the following statement true or false?
Fermentation is not an effective process.

A

True

32
Q

How much ATP does fermentation produce in comparison to aerobic respiration?

A

It produces fewer ATP molecules than aerobic respiration.

33
Q

Lactic Acid Fermentation

A

The pyruvid acid formed during glycolysis is broke down to lactic acid and energy is released

34
Q

List an example of lactic acid fermentation being used in the body.

A

Used by your muscles when they run out of oxygen during a work out (the “burn” feeling).

35
Q

Alcohol Fermentation

A

Pyruvic acid is formed during glycolysis and is then broken down to produce alcohol and carbon dioxide is released.

36
Q

What is alcohol Fermentation used to make?

A

~Wine
~Beer
~Bread
~Cheese
~Soy Sauce