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
Why are Photosynthesis and Cellular Respiration
Opposites?
Cellular Respiration
Photosynthesis
Reactants
Reactants of one
are products of
the other!!!!
Cellular Respiration
Products
What is the equation for
Cellular Respiration?
(Hint: Think photosynthesis in reverse)
__________ + ______ → ______ + _____ + ________
What is the equation for
Cellular Respiration?
(Hint: Think photosynthesis in reverse)
Glucose (C6H12O6) + O2 → H2O + CO2 +
ATP
Must know this equation!!!!
Two important things to know about each
of these processes of Cellular Respiration
Step 1
Glycolysis
GLUCOSE
&
O2
Step 2
Krebs Cycle
Step 3
Electron Transport
Chain
1. ???????
1. ???????
1. ???????
2. ???????
2. ???????
2. ???????
IN CYTOPLASM
OF CELL
IN SPACE OF
MITOCHONDRIA
IN MEMBRANE
OF
MITOCHONDRIA
Glucose (C6H12O6) + O2 → H2O + CO2 + ATP
ATP
&
CO2
&
H2O
Two important things to know about each
of these processes of Cellular Respiration
GLUCOSE
&
O2
Step 1
Glycolysis
Step 2
Krebs Cycle
1. Breaks
down
Glucose
2. All living
things do
this!!!
Prokaryotes
and
Eukaryotes
1. CO2 is
produced as
waste
product
2. Charges
Batteries
NADH & FADH2
IN CYTOPLASM
OF CELL
IN SPACE OF
MITOCHONDRIA
Glucose (C6H12O6) + O2 → H2O + CO2 + ATP
Step 3
Electron Transport
Chain
1. Most ATP
made (32)
2. Oxygen
(O2) is
used
IN MEMBRANE
OF
MITOCHONDRIA
ATP
&
CO2
&
H2O
• 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?
GLYCOLYSIS
takes place
in
CYTOPLASM
What type of living things do
Glycolysis? STEP #1 of Cellular Respiration
NADH
1
Glycolysis
2 ATP
2
3
What type of living things do
Glycolysis? STEP #1 of Cellular Respiration
NADH
All living
things do
glycolysis!!!!
1
Glycolysis
2 ATP
2
Kreb’s
Cycle
3
Electron
Transport Chain
Be able to describe the process of Glycolysis
Glycolysis
in
Cytoplasm
PGAL
PGAL
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)
Glycolysis
in
Cytoplasm
PGAL
PGAL
What
happens
when
Oxygen is
present
or absent
after
Glycolysis?
CYTOPLASM
2 Pyruvates
?
CYTOPLASM
Oxygen
present
2 Pyruvates
Cellular
Respiration
(aerobic)
Oxygen
not present
Anaerobic
Fermentation
Anaerobic
Fermentation
(Lactic Acid
or Alcoholic)
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 = Yeast
Lactic 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
STEP #1
Mitochondria
Where do Step #2STAGE
and 2
Step #3 of Cellular
STAGE 3
Respiration take place in the
Mitochondria?
GLYCOLYSIS – In Cytoplasm
STEP #1
Mitochondria
Space
Inner Membrane
Kreb’s Cycle takes place in the
SPACE of the Mitochondria
STEP #2
STAGE
2
Electron Transport Chain takes
place in the INNER MEMBRANE
of the Mitochondria
STAGE 3
STEP #3
Hint: “Cycle takes place
in the SPACE”
What is Step #2 called and what products are
made?
1
Charged Battery
Charged Batteries
NADH
?
Glycolysis
2 Pyruvates
2?
?
2 ATP
?
What is Step #2 called and what products are
made? CO₂, NADH, FADH₂, 2ATP
Charged Battery
Charged Batteries
NADH
NADH
FADH2
2
1
Kreb’s
Cycle
Glycolysis
2 Pyruvates
Citric Acid
Cycle
CO₂ out
2 ATP
2 ATP
Step #3: What is this process called and what products
are made? What is the essential reactant?
Charged Battery
Charged Batteries
NADH
FADH2
NADH
1
2
Kreb’s
Cycle
Glycolysis
2 Pyruvates
Citric Acid
Cycle
3
?
?
?
CO₂
out
2 ATP
2 ATP
?
Step #3: What is this process called and what
products are made? What is the essential reactant?
Charged Battery
NADH
FADH2
NADH
2
1
Kreb’s
Cycle
Glycolysis
2 Pyruvates
Citric Acid
Cycle
3
O₂ in
Electron
Transport
Chain
H₂O
out
CO₂
out
2 ATP
2 ATP
32 ATP
What does the Electron Transport Chain
need to make 32 ATP?
Hint: Lucy and Ethel represented this in the video
H₂O
REMEMBER: Electron Transport Chain
Lucy and Ethel represent the OXYGEN needed
Candy represented the Electrons present
Wrapped Candy represent the WATER being produced
Oxygen
H₂O
H+
What part of cellular respiration
produces the most energy (ATP)?
Glycolysis
Kreb’s
Cycle
Citric Acid
Cycle
Electron
Transport
Chain
What part of cellular respiration
produces the most energy (ATP)?
Electron
Transport
Chain
32 ATP
Name the 3 steps of
Cellular Respiration
in correct order
Name the 3 steps of Cellular
Respiration in correct order
1. Glycolysis
2. Kreb’s Cycle (Citric Acid Cycle)
3. Electron Transport Chain
What is the total number of ATP made in Cellular
Respiration?
Charged Battery
NADH
FADH2
NADH
2
1
Kreb’s
Cycle
Glycolysis
2 Pyruvates
Citric Acid
Cycle
3
O₂ in
Electron
Transport
Chain
H₂O
out
CO₂
out
2 ATP
2 ATP
32 ATP
What is the total number of ATP
made in Cellular Respiration?
2 ATP
Step 1
2 ATP
Step 2
32 ATP
Step 3
=
36
Cellular Respiration - Overview
Obtain Glucose
from eating or
photosynthesis
Where does this
take place?
What are the
reactants?
What are the
products?
How many ATP’s
are made?
Glycolysis
Kreb’s Cycle
Electron
Transport
Chain
Cellular Respiration - Overview
Obtain Glucose
from eating or
photosynthesis
Glycolysis
Kreb’s Cycle
Electron
Transport
Chain
Where does this
take place?
Cytoplasm
Space (Matrix)
of Mitochondria
Membrane of
Mitochondria
Glucose
2 Pyruvates
ADP & ATP
NAD+
NAD+
FAD
O₂
2 Pyruvates
ATP
NADH
ATP
CO₂
NADH
FADH₂
2 ATP’s
2 ATP’s
What are the
reactants?
What are the
products?
How many ATP’s
are made?
FADH₂
NADH
H₂O
ATP
32 ATP’s