1. Cellular Respiration (8.3)
State Standard
SB3A. Explain the cycling of energy through the processes of photosynthesis and respiration.

2. Organisms obtain energy in a process called cellular respiration.
Chapter 8
Cellular Energy
8.3 Cellular Respiration
Overview
Organisms obtain energy in a process called cellular respiration.
The equation for cellular respiration is the ____________ of the equation for photosynthesis.
Label the reactants & products below.

3. Cellular respiration occurs in ____ main parts.
Chapter 8
Cellular Energy
8.3 Cellular Respiration
Overview Cont’d
Cellular respiration occurs in ____ main parts.
____________
____________ ____________

4. Takes place in the ____________ ____________ is broken down
Chapter 8
Cellular Energy
8.3 Cellular Respiration
Glycolysis
Takes place in the ____________
____________ is broken down
____________ (without oxygen)
Glucose enters the cell by active transport
Enzymes break it down into ____________
Net result = __________
Precedes aerobic
respiration

5. Aerobic Respiration Part 1: Krebs Cycle
Chapter 8
Cellular Energy
8.3 Cellular Respiration
Aerobic Respiration Part 1: Krebs Cycle
Purpose: Breaks down the ____________ from glycolysis to produce molecules used in the electron transport chain.
Location: ____________
Products: 6 ______
2 ______
8 ______

6. Aerobic Respiration Part 1: Krebs Cycle Cont’d
Chapter 8
Cellular Energy
8.3 Cellular Respiration
Aerobic Respiration Part 1: Krebs Cycle
Cont’d
What happens to the products?
6 CO2 – gets ____________ (by-product)
2 ATP – used for energy-requiring processes
8 NADH & 2 FADH2 – ______ _____ to help generate ATP in the next step

7. AR Pt 1: Krebs Cycle Cont’d
Chapter 8
Cellular Energy
8.3 Cellular Respiration
AR Pt 1: Krebs Cycle Cont’d
Circle the parts of the diagram that help you recognize it as Krebs Cycle.

8. AR Pt 2: Electron Transport Chain (ETC)
Chapter 8
Cellular Energy
8.3 Cellular Respiration
AR Pt 2: Electron Transport Chain (ETC)
__________ step in the breakdown of glucose
Purpose: ___________ ADP to ATP by transferring electrons
Location: ____________
Products: ATP (34)
CO2
H2O

9. Anaerobic Respiration
Chapter 8
Cellular Energy
8.3 Cellular Respiration
Anaerobic Respiration
AKA ____________
The anaerobic pathway that follows glycolysis
Occurs in the ____________
Generates small amounts of ATP

10. Anaerobic Respiration Cont’d
Chapter 8
Cellular Energy
8.3 Cellular Respiration
Anaerobic Respiration Cont’d
2 main types
________ ________ fermentation
-muscles cells
-microorganisms used to produce foods such as cheese, yogurt, & sour cream
__________ fermentation
-yeast
-some bacteria