Cellular Respiration Susan waskosky


C6H1206 + 602 --> 6CO2 + 6H20 + 38 ATP



meaning bigger molecules are split or broken down into smaller molecules

it releases energy whereas anabolic builds new molecules and/or stores energy

major steps in glycolysis

1st step in both cellular respiration and fermentation // occurs in both aerobic (oxygen) and anaerobic (without oxygen) pathways // takes place in the cytoplasm // occurs in all living organisms (prokaryote and eukaryote)

glucose (6 carbon sugar) is taken and turned into two molecules of pyruvate (3 carbon molecule) // travels to cytoplasm and receives two phosphate groups from two different molecules of ATP //

major inputs >> 2 ATP & 2 NAD+ & glucose // major outputs >> 2 pyruvates & 4 ATP (2 net) & 2 NADH+

Krebs Cycle

major steps in Krebs cycle

2nd step in cellular respiration // takes place in mitochondria // cytosol of prokaryotic and mitochondria of eukaryote //

major inputs >> acetyl CoA & ADP + P & 3 NAD & FAD // major outputs >> Co2 & ATP & 3 NADH+ & FADH2

Electron Transport Chain

occurs in the cristae of the mitochondria // occurs in eukaryote // high energy electrons that came from Krebs cycle are used to convert ADP into ATP

major inputs >> NADH & FADH2 // major outputs >> ATP & NAD+ & FAD & H20

Importance of Cellular Respiration


It is important locally because it provides the organism energy to perform all the necessary functions to survive.


Cellular respiration is important globally because some organisms aren't capable of performing the aerobic process and therefore allows them to perform anaerobic processes.

Works Cited

"Why is cellular respiration important?" Reference. N.a., n.d. Web. 20 Jan. 2017.

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