1. Overview of Cellular Respiration
Chapter 4

2. In the last chapter green plants used ________________ to
AUTOTROPHS
___________ use energy from sunlight or chemicals to make their own food.
In the last chapter green plants
used ________________ to
trap energy from __________
and make ______________.
PHOTOSYNTHESIS
sunlight
food (glucose)

3. in a process called _______________ broken down energy ATP
In this chapter, we will learn how this glucose is ____________ by organisms and the _______ is stored
as _______
in a process called _______________
broken down
energy
ATP
CELLULAR RESPIRATION

4. ATP cellular respiration Aerobic respiration ________________
This process that releases energy (_____) by breaking down food molecules in the presence of oxygen is called
________________
Or it is called _______________________because it uses oxygen.
cellular respiration
Aerobic respiration

5. Cellular Respiration Video

6. Cells require a ______________________for life processes but keep only a _____________of _____________ on hand.
Cells can regenerate ATP as needed by using the _____________________________ like glucose.
The energy stored in glucose by photosynthesis is released by _______________________and repackaged into the energy of ATP.
constant source of energy
small amount
ATP
energy stored in foods
cellular respiration

7. ALL LIVING THINGS NEED ENERGY!
What kind of organisms do this?
plants
fungi
bacteria
________
(Including _______)
animals
______
______
______
humans
ALL LIVING THINGS NEED ENERGY!

8. How do we get the sugar from the plants?
REMEMBER!
HETEROTROPHS
_______________ get
their energy by eating
other organisms.
We get the energy the plants stored as glucose by _____________ directly
or eating the _________ that ate
the plants.
eating plants
animals

9. slowly many steps light and heat in ________________.
CELLULAR RESPIRATION happens __________
in ________________.
If all the energy was released in one step… most would be lost as ____________________!
slowly
many steps
light and heat

10. Cellular Respiration: (Two kinds—Aerobic and Anaerobic)
Cellular respiration is the process by which the energy of ___________ is ____________ in the cell to be used for life processes (movement, breathing, blood circulation, etc…)
Aerobic = ______________
Anaerobic = _______________
glucose
released
With oxygen
Without oxygen

11. Respiration occurs in _______________and can take place either _________________________present.
all cells
with or without oxygen

12. MITOCHONDRIA = cell power plant
Surrounded by ___________ membrane
Outer membrane & Inner membrane (called _______________ )
Space between inner membrane & outer membrane
= ____________________
Space inside cristae folds
= _________________
CYTOPLASM surrounds mitochondria
DOUBLE
CRISTAE
INTERMEMBRANE SPACE
MATRIX

13. The two equations are exact opposites!
PHOTOSYNTHESIS
___________ + _________ + ___________ →_______________ + __________
6 CO2
6 H2O
C6H12O6
6O2
CELLULAR RESPIRATION
C6H12O6
6 CO2
_____________ + _________ →________ + __________ + __________
______________________________________________________________
6O2
6 H2O
The two equations are exact opposites!

14. Aerobic Respiration: _________________
Occurs in the _________________ of the cell
Total of ___________molecules produced
General formula for aerobic respiration:
requires oxygen
mitochondria 36
C6H12O O CO H2O + 36 ATP
glucose + oxygen carbon dioxide + water + energy
Human cells contain a specialized structure – the mitochondrion – that generates energy.

15. Summary:
3 steps:
1st Glycolysis
2nd Krebs cycle
3rd Electron Transport Chain (ETC)

16. _____________________
GLYCOLYSIS
Happens in ______________
KREBS CYCLE
happens in ________________
ELECTRON TRANSPORT
Enzymes found in
_____________________
CYTOPLASM
outside mitochondria
MATRIX
inside mitochondria
cristae
inner membrane of mitochondria

17. Anaerobic Respiration: occurs when _______________ is available to the cell (2 kinds: Alcoholic and Lactic Acid)
Also called _________________
______________________ than in aerobic respiration
no oxygen
fermentation
Much less ATP produced

18. Alcoholic yeast bacteria baking brewing gas rise
____________________ fermentation—occurs in _____________ and _____________
Process used in the ______________and _____________ industry—yeast produces CO2 ___________ during fermentation to make dough ___________and give bread its holes
bacteria
yeast
baking
brewing
gas
rise
glucose ethyl alcohol + carbon dioxide + 2 ATP

19. Lactic Acid muscle cells exercise oxygen cannot tissues
______________fermentation—occurs in ____________________.
Lactic acid is produced in the muscles during rapid ________________ when the body ________________supply enough ________________ to the _____________—causes burning sensation in muscles
muscle cells
exercise
cannot
oxygen
tissues
glucose lactic acid + carbon dioxide + 2 ATP

20. Cellular Respiration: The Big Picture

21. Ticket out the Door
Cellular respiration takes place in what organelle ________________.
Write out the complete formula for cellular respiration.
What are the 3 main steps to cellular respiration?
Where does glycolysis take place?
Where does the Kreb’s cycle take place?