cellular respiration inputs outputs

What is photosynthesis?

The process by which a cell captures energy in sunlight and uses it to make food.

General equation: 6H2O + 6CO2 --> C6H12O6 + 6O2

aerobic respiration

Respiration that requires oxygen.

General equation: C6H12O6 + 6O2 --> 6CO2 + 6H2O

Glycolysis

the breakdown of glucose by enzymes. It occurs in the cytosol of the cell. It is the first stage of aerobic respiration. It produces a small amount of energy when complete.

what are the inputs of glycolysis?

glucose, NAD+ and ADP/Pi

What are the outputs of glycolysis?

pyruvate, 2 ATP, and NADH

Krebs Cycle (Citric Acid Cycle)

The Krebs Cycle, (also known as the citric acid cycle) takes place in the matrix of the mitochondria. It is the second stage of aerobic respiration. This process also produces a small amount of energy.

Krebs cycle inputs

pyruvate (or acetyl CoA), NAD, FAD, ADP/Pi

Krebs cycle outputs

CO2, NADH, FADH2 and ATP.

2 ATP per glucose molecule and 1 ATP per pyruvate molecule.

Electron Transport Chain (ETC)

A sequence of electron carrier molecules (membrane proteins) that shuttle electrons during the redox reactions that release energy used to make ATP.

It occurs in the cristae of the mitochondria. It produced the most ATP out of the three stages of aerobic respiration.

Electron transport chain inputs

NADH, FADH2, O2 and ADP/Pi

Electron Transport Chain outputs

ATP, H2O, NAD and FAD.

About 32-34 ATP is produced here.

Anaerobic respiration

Respiration that does not require oxygen.

Anaerobic respiration in animals

In animals, glucose is converted to 2 lactic acid molecules which also creates 2 ATP per glucose used.

It occurs during glycolysis as it does not require oxygen.

anaerobic respiration in yeast

In yeast, glucose is converted to 2 ETHANOL (C2H5OH) molecules and 2 CARBON DIOXIDE (CO2) molecules. This also creates 2 ATP per glucose.

This also occurs during glycolysis.