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Chapter 8: Respiration
Energy in the cells
11
Biology
10th Grade
12/21/2010

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Term
Enzyme
Definition
Reduces activation energy making certain reactions possible
Term
[image]
Definition

 

Protein; enzyme;

in photosynthesis and respiration;

takes the hydrogen from the hydrogen concentration gradient and makes ATP; secondary active;

happens in first step of photosynthesis (light dependent) 

happens in the fourth step of respiration (ETC) 

 

 

Term
Hydrogen Concentration Gradient
Definition
when the ETC pumps hydrogens out; making more H out of the cell (or in mattering what process); this is why the ATP synthase works
Term
[image]
Definition
Electron Transport Chain, in photosynthesis and respiration. In respiration it is the fourth and finale step, makes the hydrogen concentration gradient; in the inner membrane or the mitochondria; 32 ATP. In photosynthesis it happens during the light dependent reaction; creates a hydrogen concentration gradient; happens in the thylakoid membrane
Term
[image]
Definition
Citric Acid Cycle; takes in AcetylCoA (4 carbon molecule) and gets out (in total) 4 carbon dioxides; also 6NADH and 2FADH and 2ATP
Term
[image]
Definition
1. glycolysis 2. transition state/phase 3. Krebs cycle 4. ETC (only when oxygen is present does the cycle happen)
Term
[image]
Definition
Second step in Krebs cycle; turns 2 pyruvates (6 carbons) in to 2 carbon dioxide molecules and 2 AcetylCoA molecules
Term
[image]
Definition

Happens in the cytoplasm.

Produces net 2 ATP.

If oxygen present --> transition phase;

if no oxygen present --> fermentation --> lactate acid or alcohol;

2 ATP made

Term
ATP, NADH, FADH2 
Definition

1. glycolysis- net 2 ATP and 2 NADH 

2. transition state- 2NADH 

3. Krebs Cycle- 2ATP and 6NADH and 2 FADH2

in  total 36 ATP 

FADH2 = 2ATP 

NADH = 3 ATP (except glycolysis) 

Term
Similarities (of Photosynthesis and Respiration) 
Definition

 

  1. plants do both 
  2. ATP synthase is in both 
  3. ETC is in both 
  4. both used for energy 
  5. P needs water, sunlight and carbon dioxide
  6. R produces water and carbon dioxide 
  7. R needs sugar and oxygen  
  8. P produces sugar and oxygen 

 

Term
Differences (of Photosynthesis and Respiration) 
Definition

  1. P happens in plants only (thylakiod) and R happen in  mitochondria 
  2. P needs light; R can happen with out
  3. P has less steps

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