1. Take 5
What is the difference between active transport and passive transport?
What is an enzyme?
What is ATP?
-Active Transport is moving particles across the plasma membrane against the concentration gradient, which requires energy.
- Passive Transports is moving particles across the plasma membrane with the concentration gradient, which does NOT require energy
A protein in which speeds up chemical reactions
Chemical energy in organisms that is used to perform life processes

2. Take 5
What happens to energy when a molecule is built and when it is broken down?
What makes up ATP?
What makes up ADP?

3. Take 5 Why do cells break down ATP?
What are the reactants and products in photosynthesis?
What are the reactants and products in cellular respiration?

4. Take 5
Cells transfer energy from food to a molecule called _____________.
ATP  ADP + P + ________.
Cellular Respiration begins in the __________ of the cell and ends in the _______________.
Cellular Respiration breaks down ________ molecules into __________.

5. Take 5 10/6/11 What are the 3 things that are produced in glycolosis?
How many ATP is produced in the Krebs cycle?
How many ATP is produced in cellular respiration?

6. Take /5/11
What do enzymes do to the activation energy needed for a reaction?
Is photosynthesis part of cellular respiration?
In animals, after fermentation, what is produced?
In plant cells, after fermentation, what is produced? (2 things)

7. Chapter 9
Energy in a Cell

8. Section 9.1
The Need For Energy

9. Energy From the sun From mitochondria From chloroplast
Flagella need it to move
Maintain homeostasis. Ex: kidneys
Cell division: need to build new cells

10. I. Cell Energy Energy environment light food Energy
______________ is essential to life, all living organisms must be able to obtain energy from the ____________________.
Plants are able to trap _________ energy and use it.
Other organisms must eat _________ to obtain _____________.
environment
light
food
Energy

12. Energy is needed for lots of cell processes
i.e. active transport, cell division, movement of the flagella and/or cilia, etc…

13. ADENOSINE TRIPHOSPHATE
The energy is stored in chemical _______ of the molecule and can be used quickly and easily by the cell.
The energy molecule is called _______ or _______________________________
It is composed of
_______________________
bonds
ATP
ADENOSINE TRIPHOSPHATE
adenine
ribose
3 phosphates

14. On a cellular level, there is a molecule that is a quick source of energy.

15. ATP

16. II. Forming and breaking down ATP
The _______________ of ATP becomes available to a cell when the molecule is _________________.
When ATP is broken down, energy is ____________ and the resulting molecule is ________ (adenosine diphosphate)
ATP is broken down into ADP when the chemical bond between the ___________ and ___________ phosphate group in ATP is broken.
energy
broken down
released
ADP
second
third

17. Forming and Breaking Down ATP
Note: It requires a considerable amount of _________ to bond three phosphates together (due to the fact the phosphate groups are all charged)
energy

18. Forming and Breaking Down ATP
Bonding only one phosphate group to an adenosine requires _________ energy.
This molecule is called: _________ or _______________________________
little
AMP
adenosine monophosphate

19. Forming and Breaking Down ATP
If you bond two phosphate groups to an adenosine, more energy is needed.
This molecule is called: _________ or _____________________________
ADP
adenosine diphosphate

20. How do we make ATP INTO ADP?

21. (Adenosine Triphosphate)
ATP
adenosine P P P
Here is ATP
(Adenosine Triphosphate)

22. And if we break off the last phosphate…
ATP
adenosine P P
SNAP P
And if we break off the last phosphate…

23. (Adenosine Diphosphate)
I’m free!!!!
ADP
adenosine P P P
We get ADP
(Adenosine Diphosphate)
Tadaaa!!!

24. When a bond is broken… Energy is Released!
When the bond between the 2nd and 3rd phosphate is broken, energy is released and _______ is formed
ADP

25. II. Forming and breaking down ATP
How Cells tap into the energy stored in ATP
When ATP is broken down and the __________ is released, it must be __________ and used or it is wasted and given off as _________.
ATP  ________ + ________ + _________
To access the energy locked up inside an ATP molecule, it usually bind to a ____________ (or enzyme). There is a specific binding _____________ where ATP fits into and the protein will aide in the _______________ of the _____________ phosphate group. (pg 223, fig. 9.2)
energy
captured
heat
ADP P
energy
protein
site
removal
third

26. RENEWABLE CYCLE OF ATP