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21 notecards = 6 pages (4 cards per page)

Viewing:

Cellular Respiration & Fermentation

front 1

What is the formula for Cellular Respiration?

back 1

6O2 + C6H12O6 ->->-> 6CO2 + 6H2O + Energy

front 2

What is the process called that:
*releases energy from food when oxygen is present
*gives off carbon dioxide, water and energy

back 2

Cellular Respiration

front 3

Where do organisms get the energy they need?

back 3

From FOOD

front 4

Is the energy stored in food released quickly or slowly?

back 4

SLOWLY...if it was given off all at once most of the energy would be lost as light and heat.

front 5

What are the 3 stages of Cellular Respiration called?

back 5

*Glycolysis
*Krebs Cycle
*Electron Transport Chain

front 6

What is Glycolysis?

back 6

*The 1st stage (or set of reactions)of cellular respiration.
*a molecule of glucose is broken into 2 molecules of pyruvic acid.
*Energy is given off
*Makes 4 ATP

front 7

What is NAD?

back 7

An electron carrier involved in glycolysis.

front 8

What is the Krebs Cycle?

back 8

*2nd stage of cellular respiration
*pyruvic acid is broken down into carbon dioxide and hydrogen.
*Makes 1 ATP (by each turn)

front 9

What is the Electron Transport Chain?

back 9

*3rd stage of cellular respiration
*uses high-energy electrons carried by NADH &FADH2, to change ADP to ATP.
*ex: provides most of the energy used by atheletes during cellular respiration.

front 10

In what cell organelle does the Krebs Cycle take place?

back 10

Mitochondrion

front 11

What is this an image of?

back 11

Cellular Respiration

front 12

How many ATP molecules are made by the breaking down of glucose in cellular reaspiration?

back 12

36 ATP/molecule of glucose

front 13

What is Fermentation?

back 13

*Process in which cells release energy when oxygen is NOT present.
*Cells change NADH to NAD+

front 14

Alcoholic Fermentation

back 14

*used by yeast and a few other microorganisms

formula:Pyruvic acid + NADH --> Alcohol + CO2 + NAD

*used to make alcohol
*causes bread dough to rise
*gives off CO2

front 15

Lactic Acid Fermentation

back 15

formula:Pyruvic acid + NADH --> Lactic acid + NAD+

*does NOT give off CO2

front 16

How do organisms generate energy when oxygen is NOT available?

back 16

When Oxygen(O2)is not present fermentation releases energy from food molecules by making ATP.

front 17

In your body, what are the 3 main sources of ATP?

back 17

*ATP already in the muscles
*ATP made by lactic acid fermentation
*ATP made by cellular respiration

front 18

Photosynthesis

back 18

*Produces food molecules
*Produces Oxygen(O2)
*Takes carbon Dioxide (CO2) from the air

front 19

Cellular Respiration

back 19

*Puts Carbon Dioxide back into the air
*Uses Oxygen(O2) to get energy from food

front 20

Aerobic Respiration

back 20

*** Needs Oxygen (O2)

(think exercising)

front 21

Anaerobic Respiration

back 21

***does NOT need Oxygern (O2)

(think yeast)