Energy and Life Chapter 8.1. Chemical Energy and ATP Energy is the ability to do work. Cells are...
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Transcript of Energy and Life Chapter 8.1. Chemical Energy and ATP Energy is the ability to do work. Cells are...
![Page 1: Energy and Life Chapter 8.1. Chemical Energy and ATP Energy is the ability to do work. Cells are constantly using energy to perform LIFE FUNCTIONS. –Metabolism.](https://reader035.fdocuments.us/reader035/viewer/2022062802/56649eb35503460f94bba0d3/html5/thumbnails/1.jpg)
Energy and Life
Chapter 8.1
![Page 2: Energy and Life Chapter 8.1. Chemical Energy and ATP Energy is the ability to do work. Cells are constantly using energy to perform LIFE FUNCTIONS. –Metabolism.](https://reader035.fdocuments.us/reader035/viewer/2022062802/56649eb35503460f94bba0d3/html5/thumbnails/2.jpg)
Chemical Energy and ATP
• Energy is the ability to do work.• Cells are constantly using energy
to perform LIFE FUNCTIONS.– Metabolism– Homeostasis– Reproduction– Transport
![Page 3: Energy and Life Chapter 8.1. Chemical Energy and ATP Energy is the ability to do work. Cells are constantly using energy to perform LIFE FUNCTIONS. –Metabolism.](https://reader035.fdocuments.us/reader035/viewer/2022062802/56649eb35503460f94bba0d3/html5/thumbnails/3.jpg)
Chemical Energy and ATP
• Without ENERGY, life would not exist.• Living things use CHEMICAL FUEL (ATP).• ATP is the MOST important chemical fuel for cells.
• Energy comes in many forms:– Light
– Heat
– Sound
– Electricity
![Page 4: Energy and Life Chapter 8.1. Chemical Energy and ATP Energy is the ability to do work. Cells are constantly using energy to perform LIFE FUNCTIONS. –Metabolism.](https://reader035.fdocuments.us/reader035/viewer/2022062802/56649eb35503460f94bba0d3/html5/thumbnails/4.jpg)
Chemical Energy and ATP• The chemical compound that cells use to store
and release ENERGY is ADENOSINE TRIPHOSPHATE or ATP.
• ATP is a type of NUCLEIC ACID
• ATP has 3 parts:– ADENINE– a 5-CARBON SUGAR called RIBOSE– THREE phosphate groups.
• The three phosphate groups are the KEY to ATP’s ability to STORE and RELEASE energy.
![Page 5: Energy and Life Chapter 8.1. Chemical Energy and ATP Energy is the ability to do work. Cells are constantly using energy to perform LIFE FUNCTIONS. –Metabolism.](https://reader035.fdocuments.us/reader035/viewer/2022062802/56649eb35503460f94bba0d3/html5/thumbnails/5.jpg)
ATP
![Page 6: Energy and Life Chapter 8.1. Chemical Energy and ATP Energy is the ability to do work. Cells are constantly using energy to perform LIFE FUNCTIONS. –Metabolism.](https://reader035.fdocuments.us/reader035/viewer/2022062802/56649eb35503460f94bba0d3/html5/thumbnails/6.jpg)
ADP vs. ATP
adenosine DI phosphate
• Di = 2
adenosine TRI phosphate
• Tri = 3
![Page 7: Energy and Life Chapter 8.1. Chemical Energy and ATP Energy is the ability to do work. Cells are constantly using energy to perform LIFE FUNCTIONS. –Metabolism.](https://reader035.fdocuments.us/reader035/viewer/2022062802/56649eb35503460f94bba0d3/html5/thumbnails/7.jpg)
Storing Energy:ADP to ATP
• ADP is a compound that looks like ATP except it has 2 PHOSPHATE GROUPS instead of 3 PHOSPHATE GROUPS.
• Organisms STORE energy by adding a PHOSPHATE to ADP and the energy is stored in the BOND between the last 2 PHOSPHATES.
• ADP is like a RECHARGEABLE BATTERY.
![Page 8: Energy and Life Chapter 8.1. Chemical Energy and ATP Energy is the ability to do work. Cells are constantly using energy to perform LIFE FUNCTIONS. –Metabolism.](https://reader035.fdocuments.us/reader035/viewer/2022062802/56649eb35503460f94bba0d3/html5/thumbnails/8.jpg)
Releasing EnergyATP to ADP
• Cells can release the ENERGY stored in the ATP by breaking the BOND that holds PHOSPHATE #2 and PHOSPHATE #3.
• This is an efficient way of STORING and RELEASING energy as the CELL needs it.
Why do cells need energy?
![Page 9: Energy and Life Chapter 8.1. Chemical Energy and ATP Energy is the ability to do work. Cells are constantly using energy to perform LIFE FUNCTIONS. –Metabolism.](https://reader035.fdocuments.us/reader035/viewer/2022062802/56649eb35503460f94bba0d3/html5/thumbnails/9.jpg)
Where do living things get ATP from?
HETEROTROPHS• Consume OTHER
LIVING THINGS for energy.
• Classifications– HERBIVORES eat only
plants.– OMNIVORES eat plants
and animals.– CARNIVORES eat only
animals.
AUTOTROPHS• Can make their own
energy directly from the sun through PHOTOSYNTHESIS.
• Classifications– Plants– Algae– Some bacteria