Energy: Cellular Respiration

MITOCHONDRIA

What is produced from eating food (heterotrophs) or made by plants (autotrophs) that is necessary for cellular respiration?

What is produced from eating food (heterotrophs) or made by plants (autotrophs) that is necessary for

cellular respiration? GLUCOSE

Photosynthesis

Cellular Respiration

Why are Photosynthesis and Cellular Respiration Opposites?

Photosynthesis

Cellular Respiration

Reactants ProductsReactants of one are products of

the other!!!!

What is the equation for Cellular Respiration?

(Hint: Think photosynthesis in reverse)

__________ + ______ → ______ + _____ + ________

What is the equation for Cellular Respiration?

(Hint: Think Photosynthesis in reverse)

Must know this equation!!!!

• Once a cell has glucose, what process takes place to convert the glucose into ATP and Pyruvate?

• Where does this take place in the cell?

?

• Once a cell has glucose, what process takes place to convert the glucose into ATP and Pyruvate?

• Where does this take place in the cell?

GLYCOLYSISIN

CYTOPLASM

What type of living things do Glycolysis? STEP #1 of Cellular Respiration

Glycolysis1

2 ATP

NADH

2 3

What type of living things do Glycolysis? STEP #1 of Cellular Respiration

All living things doglycolysis!!!!

Electron Transport Chain

Kreb’s Cycle

NADH

21 3

2 ATP

Glycolysis

PGAL

PGAL

Glycolysis in

Cytoplasm

Be able to describe the process of Glycolysis

Glycolysis takes place in the cytoplasm and needs 2ATP to break 1 Glucose→ 2 PGAL’s

NAD+ → NADH (energy carriers)

ADP → ATP(chemical energy)

4 ATP’s are made but 2 ATP’s go back into

Glycolysis Net 2 ATP’s

2 Pyruvates(Pyruvic Acid)

PGAL

PGAL

Glycolysis in

Cytoplasm

CYTOPLASMWhat happens when Oxygen is present or absent afterGlycolysis?

2 Pyruvates

?

CYTOPLASMOxygen presentCellularRespiration(aerobic)

Oxygennot presentAnaerobicFermentation

Anaerobic Fermentation

(Lactic Acid or Alcoholic)

2 Pyruvates

Where does Anaerobic Fermentation take place?

What organisms do alcoholic or lactic acid fermentation?

What is created from fermentation that is needed for Glycolysis to continue making 2 ATP’s?

Where does Anaerobic Fermentation (no oxygen) take place?

Cytoplasm

What organisms do alcoholic or lactic acid fermentation?

Alcoholic = YeastLactic Acid = Animals

(In muscles during short bursts of energy)

What is created from fermentation that is needed for Glycolysis to continue making 2 ATP’s?

2 NAD+

What organisms use Cellular Respiration to make enough ATP (energy) for their needs?

All Eukaryotes!!!!

GLYCOLYSIS – In Cytoplasm

STAGE 2

STAGE 3

Where do Step #2 and Step #3 of Cellular Respiration

take place in the Mitochondria?

Mitochondria

STEP #1

GLYCOLYSIS – In Cytoplasm

STAGE 2

STAGE 3

Kreb’s Cycle takes place in the SPACE of the Mitochondria

Electron Transport Chain takes place in the INNER MEMBRANE

of the Mitochondria

Mitochondria

STEP #2

STEP #3

STEP #1

Hint: “Cycle takes place in the SPACE”

Space

Inner Membrane

2 ATP

NADH

What is Step #2 called and what products are made?

Glycolysis2 Pyruvates1 ?

?

??

Charged Battery Charged Batteries

2

2

2 ATP

NADH

What is Step #2 called and what products are made? CO₂, NADH, FADH₂, 2ATP

Glycolysis2 Pyruvates1

Kreb’s Cycle

Citric Acid Cycle

NADHFADH2

2 ATP

CO₂ out

Charged Battery Charged Batteries

2 3

2 ATP 2 ATP ?

Glycolysis2 Pyruvates

1

NADH NADHFADH2

Step #3: What is this process called and what products are made? What is the essential reactant?

CO₂out

?

?

?

Charged BatteriesCharged Battery

Kreb’s Cycle

Citric Acid Cycle

2 3

2 ATP 2 ATP 32 ATP

Glycolysis2 Pyruvates1

NADH NADHFADH2

CO₂out

O₂ in

ElectronTransport

Chain

Step #3: What is this process called and what products are made? What is the essential reactant?

H₂Oout

Charged Battery

Kreb’s Cycle

Citric Acid Cycle

Hint: Lucy and Ethel represented this in the video

H₂O

What does the Electron Transport Chain need to make 32 ATP?

Lucy and Ethel represent the OXYGEN neededCandy represented the Hydrogen present

Wrapped Candy represent the WATER being produced

H₂O

Oxygen

H+

REMEMBER: Electron Transport Chain

What part of cellular respiration produces the most energy (ATP)?

GlycolysisElectron

TransportChain

Kreb’s Cycle

Citric Acid Cycle

ElectronTransport

Chain

32 ATP

What part of cellular respiration produces the most energy (ATP)?

Name the 3 steps of Cellular Respiration

in correct order

Name the 3 steps of Cellular Respiration in correct order

1. Glycolysis2. Kreb’s Cycle (Citric Acid Cycle)3. Electron Transport Chain

2 3

2 ATP 2 ATP 32 ATP

Glycolysis2 Pyruvates1

NADH NADHFADH2

CO₂out

O₂ in

ElectronTransport

Chain

What is the total number of ATP made in Cellular Respiration?

H₂Oout

Charged Battery

Kreb’s Cycle

Citric Acid Cycle

What is the total number of ATP made in Cellular Respiration?

2 ATP 32 ATP2 ATP = 36Step 1

Step 2 Step 3

Obtain Glucose from eating or photosynthesis Glycolysis Kreb’s Cycle

Electron Transport

Chain

Where does this take place?

What are the reactants?

What are the products?

How many ATP’s are made?

Cellular Respiration - Overview

Obtain Glucose from eating or photosynthesis

Glycolysis Kreb’s CycleElectron

Transport Chain

Where does this take place?

Cytoplasm Space (Matrix) of Mitochondria

Membrane of Mitochondria

What are the reactants?

Glucose ADP & ATP

NAD+

2 PyruvatesNAD+FAD

O₂FADH₂NADH

What are the products?

2 Pyruvates ATP

NADH

ATPCO₂

NADHFADH₂

H₂O ATP

How many ATP’s are made?

2 ATP’s 2 ATP’s 32 ATP’s

Cellular Respiration - Overview