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Cellular Respiration Overview

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Questions and Answers

What are the reactants of Glycolysis?

2 Acetyl CoA, H2O, 6 NAD+, FAD, 6 ADP, P

NADH, FADH2, O2, ADP, P

2 Pyruvate, 2 ATP, 2 NADH

Glucose, 2ATP, NAD+, ADP, P (correct)

What are the end products of Glycolysis?

NADH, FADH2, O2, ADP, P

4 CO2, 6 NADH, 2 FADH2, 2 ATP, H2O

2 Pyruvate, 2 ATP, 2 NADH (correct)

C6H12O6 + 6 H2O + O2

What are the reactants of the Krebs Cycle?

2 Acetyl CoA, H2O, 6 NAD+, FAD, 6 ADP, P (correct)

32-34 ATP, H2O, NAD+, FAD

2 Pyruvate, 2 ATP, 2 NADH

NADH, FADH2, O2, ADP, P

What are the end products of the Krebs Cycle?

4 CO2, 6 NADH, 2 FADH2, 2 ATP, H2O Signup and view all the answers

What are the reactants of Oxidative Phosphorylation?

NADH, FADH2, O2, ADP, P Signup and view all the answers

What are the end products of Oxidative Phosphorylation?

32-34 ATP, H2O, NAD+, FAD Signup and view all the answers

What is the equation for the Krebs Cycle?

2 Acetyl CoA + 2 Oxaloacetate -> 4 CO2 + 6 NADH + 2 FADH2 + 2 ATP + 2 Oxaloacetate Signup and view all the answers

What is the overall equation for Cellular Respiration?

C6H12O6 + 6 O2 -> 6 CO2 + 6 H2O + energy (ATP) Signup and view all the answers

Study Notes

Glycolysis

Reactants include glucose, 2 ATP, NAD+, ADP, and a phosphate group (P).
End products are 2 pyruvate molecules, 2 ATP, and 2 NADH.

Krebs Cycle

Reactants consist of 2 Acetyl CoA, 6 NAD+, FAD, 6 ADP, and a phosphate group (P).
Resulting end products are 4 carbon dioxide (CO2), 6 NADH, 2 FADH2, 2 ATP, and water (H2O).
The cycle releases high-energy electrons captured by NADH and FADH2.

Oxidative Phosphorylation

Requires NADH, FADH2, oxygen (O2), ADP, and a phosphate group (P) as reactants.
Produces 32-34 ATP, water (H2O), and regenerates NAD+ and FAD.

Overall Cellular Respiration

The equation represents the overall reaction as glucose (C6H12O6), water, and oxygen yield carbon dioxide, water, and energy (ATP).
The process efficiently converts biochemical energy from nutrients into usable ATP through several metabolic stages.

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Description

This quiz covers the key stages of cellular respiration, including Glycolysis, Krebs Cycle, and Oxidative Phosphorylation. Understand the reactants and products involved in each stage and the overall process of energy conversion in cells. Test your knowledge of how glucose is transformed into ATP and the significance of each metabolic pathway.