the four pathways in cellular respiration

HOMEWORK-3

1) What are the four pathways in cellular respiration?

 

2) What is the over all equation of cellular respiration? (mention the reactants/substrates, products, total ATP generated in this complete process)

 

3) What is the complete reaction in glycolysis? (where does it occur in the cell; mention the reactants/substrates, products; total ATP produced/net ATP gained; Coenzymes reduced; in this part of the process)

 

4) What is the complete reaction in preparatory pathway? (where does it occur in the cell; mention the reactants/substrates, products; total ATP produced/net ATP gained; Coenzymes reduced; in this part of the process)

 

5) What is the complete reaction in citric acid cycle? (where does it occur in the cell; mention the reactants/substrates, products; total ATP produced/net ATP gained; Coenzymes reduced; in this part of the process)

 

6) What is the complete reaction in electron transport chain? (where does it occur in the cell; mention the reactants/substrates, products; total ATP produced/net ATP gained; Coenzymes reduced; in this part of the process)

 

7) Define the terms: (i) Chemiosmosis; (ii) proton gradient; (iii) substrate level phosphorylation; and (iv) oxidative phosphorylation.

 

8) What are the two sub-pathways in glycolysis? How many ATP are invested in each of the two steps? How ATP are produced in each of the two steps? What is the net-gain in ATP aggregate of these two sub-pathways in glycolysis?

 

9) How many total NAD and FAD are reduced in the cellular respiration when your starting molecule is: (i) glucose; (ii) pyruvate; (iii) acetyl-coA.

 

10) How many ATP are produced by substrate level phosphorylation in cellular respiration if your starting molecule is pyruvate? And How many ATP are produced by oxidative phosphorylation in cellular respiration if your starting molecule is pyruvate? (5 points)

 

11) What is the overall reaction in photosynthesis?

 

12) List the events in non-cyclic electron pathway and which photosystem(s) are involved?

 

13) List the events in cyclic electron pathway and which photosystem(s) are involved?

 

14) What are the three steps incalvin cycle?

 

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