Cellular Respiration Page by Emma Knight

C6H12O6 + 6O2 -> 6CO2 + 6H2O + 38 ATP-- Catabolic Reaction

GLYCOLYSIS

1. Two phosphates are added to glucose using ATP.

2. A 6-carbon sugar diphosphate molecule is made, plus 2 ADP.

3. The 6-carbon molecule is split into two 3-carbon molecules.

4. These 3 -carbon molecules are put through a series of steps using NAD+ to make NADH and ATP is formed. This series of steps create 2 pyruvate molecules.

Glycolysis is located in the cytoplasm. All organisms go through glycolysis. Glucose, ATP, NAD+, and ADP are the reactants. 2 ATP, 2 pyruvate, H20, 2 NADH, and 2 H+ are produced.

KREBS CYCLE

1. A 2-carbon piece of pyruvate is used to form acetyl-CoA, which enters the Krebs Cycle. During the conversion CO2 is produced and NADH is formed.

2. The two-carbon acetyl part of the acetyl-CoA is moved to a 4-carbon molecule, which produces a six-carbon compound. The CoA molecule is released.

3. Carbon dioxide is released from the 6-carbon molecule, forming a 5-carbon compound. Hydrogen is removed and transferred to NAD+ to form NADH.

4. Step for repeats, but instead of the 6- carbon molecule it is a 5-carbon molecule. Also, a molecule of ATP is produced. As a result of this, a 4-carbon molecule is formed.

5. Finally the 4-carbon molecule is oxidized once more and the hydrogens that are removed are used to form NADH and FADH2. These reactions create the 4-carbon molecule that reacts with acetyl-CoA.

The Krebs Cycle is located in the mitochondria. Pyruvate, NADH+, and ADP+Pi are put in and NADH, H+, CoA, CO2, and ATP are made.

ELECTRON TRANSPORT CHAIN

1. NADH moves hydrogens to the electron transport chain.

2. The chain consists of special electron carrier proteins that move electrons from NADH to a terminal electron acceptor, like oxygen.

3. Electrons enter the chain when NADH moves its protons and electrons to a carrier protein.

4. The electrons are carried along the chain while the protons are moved outside of the membrane.

5. Some of the electron carriers accept a proton from the inside of the cell membrane as it accepts electrons.

6. The proton is moved through the membrane as the electrons move down the chain.

7. This increases the proton gradient across the membrane and help the proton motive force.

8. During aerobic respiratiob, the lalst carrier move

Located in bacterial cell membrane. NADH, FADH2, ADP, H+, and O2 are put in and NAD+, FAD, ATP, and H2O are produced.

https://socratic.org/questions/what-is-the-chemical-equation-for-cellular-respiration https://www.rpi.edu/dept/bcbp/molbiochem/MBWeb/mb1/part2/glycolysis.htm https://wikispaces.psu.edu/pages/viewpage.action?pageId=97552144 https://quizlet.com/144944340/chapter-9-mastering-flash-cards/ https://www.biology.iupui.edu/biocourses/N100/2k4ch7respirationnotes.html

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Emma Knight
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