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4.4 Intro to Cellular Respiration. 2.1 Atoms, Ions, and Molecules. Set up Cornell Notes on pg. 47 Topic: 4.4/4.5 Intro to Cellular Respiration Essential Question : 1. Describe the relationship between cellular respiration and photosynthesis in a double-bubble map.

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slide1

4.4 Intro to Cellular Respiration

2.1 Atoms, Ions, and Molecules

  • Set up Cornell Notes on pg. 47
  • Topic: 4.4/4.5 Intro to Cellular Respiration
  • Essential Question:

1. Describe the relationship between cellular respiration and photosynthesis in a double-bubble map.

1. Describe the relationship between cellular respiration and photosynthesis in a double bubble map.

slide2

KEY CONCEPT The overall process of cellular respiration converts sugar into ATP using oxygen.

slide3

Try and hold your breath for as long as you can (no cheating).

How did you feel as you were holding your breath?

Why do you think you felt this way?

If you were to run a few miles, what would happen to your breathing?

slide4

How does your body use oxygen?

  • Oxygen helps your body break down chemical energy that is stored in sugars and other carbon based molecules.
  • The energy produced is ATP

ATP

slide5

Pg. 46

Compare the reactants and products. What do you notice?

slide6

Plants use photosynthesis to make their own food

  • Animals eats other organisms as food
    • Food is not the direct source of energy
      • Instead we break down molecules from food to produce ATP
  • Cellular respiration releases chemical energy from sugars (produced by photosynthesis) and other carbon-based molecules to make ATP when oxygen is present
slide7

Two “Stages”

  • Light Dependent- ETC-Fuels Light Independent
  • Light Independent- Calvin Cycle- Makes Glucose
  • Two “Stages”
  • Stage I- Kreb’s Cycle- Fuels Stage II
  • Stage II- ETC- Makes lots of ATP!
slide10

There are two main parts to a mitochondria:

1. Inner membrane

2. Matrix- area inside the inner membrane

slide11

1

2

3

4

Glycolysis:

1.

3.

Takes place in ___________

2.

5.

4.

6.

7.

8.

Takes place in the _____________

slide12

1

2

3

4

Glycolysis:

Glucose is broken down into 2 3-carbon molecules

1. Mitochondria

ATP

3. Kreb’s Cycle

Takes place in the Matrix

5. Energy

2. 2 Pyruvates

4. 6 CO2

Energy from Glycolysis

ATP

6. 6 O2

7. 6 H2O

8. Electron Transport Chain

Takes place in the Inner Membrane

slide13
The equation for the overall process is:

C6H12O6 + 6O2  6CO2 + 6H2O + ATP

  • The reactants in photosynthesis are the same as the products of cellular respiration.
slide14
Glycolysismust take place first. It happens in the cell’s cytoplasm
  • anaerobic process (does not require oxygen)
  • splits glucose (from photosynthesis) into two three-carbon molecules called pyruvates
  • produces two ATP molecules

2 pyruvate

“Sweet Split”

ATP

slide15

Cellular respiration releases chemical energy from glucose (produced by photosynthesis) and other carbon-based molecules to make ATP when oxygen is present

  • Cellular respiration is aerobic, or requires oxygen.

O2

video
Video
  • Turning Energy into ATP
slide17

Pg. 46 in INB Pg. 115 in book

Cellular Respiration

…..Reactants…..

Stage 1

Stage 2

1.

2.

3.

4.

…..Products…..

slide18

1

ATP

mitochondrion

matrix (area enclosed

by inner membrane)

and

6CO

2

energy

2

3

energy from glycolysis

ATP

inner membrane

and

and

6H O

6O

2

2

4

Stage I

  • The Krebs cycle takes place inthe mitochondrial matrix
    • 2 pyruvates enter cellular respiration
  • Pyruvates are broken down and ATP is made during the Kreb’s Cycle
  • ATP transfers energy-carrying molecules to Stage II: The Electron Transport Chain
  • releases carbon dioxide as waste

Krebs Cycle

slide19

1

ATP

mitochondrion

matrix (area enclosed

by inner membrane)

and

6CO

2

energy

2

Electron Transport

3

energy from glycolysis

ATP

inner membrane

and

and

6H O

6O

2

2

4

Stage II

  • The electron transport chain produces a large amount of ATP and takes place in the inner membrane
  • 3. energy transferred to proteins in the inner membrane
  • 4. oxygen enters process and is used to make H2O
  • A large number of ATP molecules are produced
  • water and heat are released
slide20

Cellular Respiration

Sugar

(2 pyruvates)

O2

…..Reactants…..

Stage 1

Stage 2

E.T.C.: Energy is transferred to proteins in the inner membrane of the mito.

Energy is transferred to the E.T. C.

A large # of ATP is made. O2 is used to make H2O

The Kreb’s Cycle breaks down pyruvates into ATP

H2O

CO2

Heat

…..Products…..

video1
Video
  • Turning ATP into ADP
video2
Video
  • Glycolysis and Cellular Respiration
slide23

Photosynthesis & Cellular Respiration

2.1 Atoms, Ions, and Molecules

  • Set up Cornell Notes on pg. 49
  • Topic: Photosynthesis & Cellular Respiration
  • Essential Question:
  • What is the difference between aerobic and anaerobic processes.
  • What processes in cellular respiration are aerobic? Anaerobic?
  • What is the difference between aerobic and anaerobic processes.
  • What processes in cellular respiration are aerobic? Anaerobic?
slide24

EQ: Please create a Double-bubble map comparing and contrasting Photosynthesis and Cellular Respiration.

Pg. 48 in INB

Cellular Respiration

Photosynthesis

Include: Reactants/Products, organisms that undergo each, Organelles, chemical equation, etc…

slide25

White board:

Cellular Respiration

Photosynthesis

slide26

Reactants

  • Light Energy
  • CO2
  • H2O
  • Reactants
  • Glucose
  • O2

Plants

Kreb’s Cycle

Energy

ATP

Cellular Respiration

Photosynthesis

Mitochondria

Chloroplast

Animals

Calvin Cycle

Chemical Reactions

  • Products
  • CO2
  • H2O
  • Heat
  • Products
  • Glucose (sugar)
  • O2

E.T.C

ATP

2 Main Stages

slide27

Two “Stages”

  • Light Dependent- ETC-Fuels Light Independent
  • Light Independent- Calvin Cycle- Makes Glucose
  • Two “Stages”
  • Stage I- Kreb’s Cycle- Fuels Stage II
  • Stage II- ETC- Makes lots of ATP!
slide28

Life on Earth is solar powered, and energy makes a one-way trip through an ecosystem

  • Chemicals, however, are recycled
      • The CO2 and H2O released by cellular respiration are converted through photosynthesis to glucose and O2, which are then used again in respiration

Photosynthesis

CO2 and H2O

Glucose and O2

  • Cellular respiration
slide30

1. Photosynthesis

2. Chloroplast

3. C6H12O6

9. CO2

4. O2

8. H2O

5. Cellular Respiration

6. Mitochondria

7. ATP

slide32

Pg. 49 in INB

  • Please make a diagram showing the relationship between Photosynthesis and Cellular Respiration
    • Chloroplast
    • Mitochondria
    • An animal
    • a plant
    • ALL products
    • Titles: Photosynthesis and Cellular respiration
    • Show the arrows of the cycle

Cellular Respiration

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