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Cellular respiration - hard
biosc 4 mission college
12
Biology
Undergraduate 2
05/18/2008

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Term
cellular respiration
Definition
converting energy in the chemical bonds of organic molecules to ATP
Term
5 steps of ETC
Definition
  1. ETC passes electrons from NADH and FADH2 to oxygen
  2. Oxygen captures electrons at the "bottom"
  3. Oxygen joins with hydrogen ions to form water.
  4. Energy from electrons in ETC is used to pump protons of the hydrogen atoms across the mitochondrial membrane
  5. The concentrate gradient of protons drives the synthesis of ATP by chemiosmosis.

 

Term
5 characteristics of Fermentation
Definition
  1. releases energy from organic molecules
  2. no Krebs cycle or ETC
  3. no oxygen
  4. the final electron acceptor is an organic molecule
  5. produces a small amt of ATP (from glycolysis)

 

Term
Input of aerobic respiration
Definition
glucose + oxygen
Term
Products of aerobic respiration
Definition
carbon dioxide + water + energy (ATP)
Term
Where does glycolysis take place?
Definition
Cytoplasm
Term
What are the inputs of glycolysis?
Definition
glucose and ATP
Term
What are the outputs of glycolysis?
Definition
pyruvate, ATP, NADH
Term
Where does the Krebs cycle take place in eukaryotes?
Definition
in the matrix of the mitochondrion
Term
Where does the Krebs cycle take place in prokaryotes?
Definition
In the cytoplasm
Term
Where does anaerobic respiration take place?
Definition
In the cytoplasm
Term
Denitrification
Definition
Nitrate (NO3) is used as the final electron acceptor in the ETC
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