Cellular respiration

by jvadair

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cellular respiration equation

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

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25 cards

1

cellular respiration equation

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

2

cellular respiration reactants

glucose and oxygen

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cellular respiration products

carbon dioxide, water, and ATP

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Glycolysis

the breakdown of glucose by enzymes, releasing NADH, 2ATP, and 2 pyruvate

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energy investment phase of glycolysis

requires 2 ATP

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glycolysis products

2 pyruvate, 2 ATP, 2 NADH

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glycolysis takes place in

cytoplasm

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Oxidation of Pyruvate

When pyruvate moves into the mitochondrion and becomes Acetyl CoA

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Oxidation of pyruvate products

2 acetyl CoA, 2 CO2, 2 NADH

10

Krebs Cycle (Citric Acid Cycle)

second stage of cellular respiration, in which acetylcoA is broken down into carbon dioxide in a series of energy-extracting reactions

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Krebs Cycle Products

2 ATP, 6 NADH, 2 FADH2, 4 CO2

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electron transport chain

last stage of aerobic respiration; series of electron carrier proteins that shuttle high-energy electrons during ATP-generating reactions

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The Krebs cycle takes place in the _________________________.

matrix

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ETC takes place in the

cristae

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substrate-level phosphorylation

The enzyme-catalyzed formation of ATP by direct transfer of a phosphate group to ADP from an intermediate substrate in catabolism (Glycoylsis, Krebs)

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oxidative phosphorylation

The production of ATP using energy derived from the redox reactions of an electron transport chain; the third major stage of cellular respiration.

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Chemiosmosis

A process for synthesizing ATP using the energy of an electrochemical gradient of H+ and the ATP synthase enzyme.

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Aerobic

Process that requires oxygen

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Anaerobic

Process that does not require oxygen

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lactic acid fermentation

A series of anaerobic chemical reactions using pyruvate that supplies energy when oxygen is scarce (lactic acid is by-product)

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alcoholic fermentation

the anaerobic process by which yeasts and other microorganisms break down sugars to form carbon dioxide and ethyl alcohol

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matrix

Innermost compartment of the mitochondrion

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Cristae

Infoldings of the inner membrane of a mitochondrion that houses the electon transport chain and the enzyme catalyzing the synthesis of ATP.

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ATP

(adenosine triphosphate) main energy source that cells use for most of their work

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NADH and FADH2

high energy electron carrier(s) after reduction in cellular respiration