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___________ use energy from sunlight or chemicals to make their own food (What type
Organism is an autotroph
AUTOTROPHS http://www.inclusive.co.uk/downloads/images/pics2/tree.gif
In the last chapter green plants used ________________ totrap energy from __________ and make ______________
sunlightfood (glucose)
PHOTOSYNTHESIS
http://206.173.89.42/REALTYWITHALOHA_COM/piphoto/funny%20sun%20with%20sunglasses.gif
In this chapter, we will learn how this carb/sugar is ____________ by organisms and the _______ is stored as _______ in a process called___________________ What kind of organisms do this?
energybroken down
ATP
CELLULAR RESPIRATION
________(Including _______)
ALL LIVING THINGS NEED ENERGY!
What kind of organisms do this?
plants fungi bacteria__________________ animalshumans
We get the energy the plants stored as glucose by _____________ directly or eating the _________ that ate the plants.
How do we get the sugar from the plants?
Image from: http://ag.ansc.purdue.edu/sheep/ansc442/Semprojs/2003/spiderlamb/eatsheep.gif http://www.cibike.org/Eating.htm
REMEMBER!
_______________ get their energy by eating other organisms.
HETEROTROPHS
eating plantsanimals
Power plant of cell
that burns glucose
and stores the energy
as ATP
= _______________mitochondria
Image from: http://vilenski.org/science/safari/cellstructure/cytoplasm.html
http://www.clickatutor.com/mitochondria.jpg
MITOCHONDRIA = cell power plantSurrounded by ___________ membrane
Outer membrane & Inner membrane (called
_______________ )
Compare the structure of Chloroplast to Mitochondria: Similar, but Different.
DOUBLE
CRISTAE
All organisms (heterotrophs AND autotrophs)use the _____________ tocharge up their _______
Image from: http://www.cat.cc.md.us/~gkaiser/biotutorials/energy/adpan.html
energy in foodATP
This process of releasing the energy from FOOD (glucose) to make _____ = ________________
Image by Riedell Image from: http://www.biologyclass.net/mitochondria.jpe
ATPCELLULAR RESPIRATION
CELLULAR RESPIRATION happens __________ in ________________.
If all the energy was released in one step… most would be lost as ____________________!
http://plato.acadiau.ca/COURSES/comm/g5/Fire_Animation.gif
slowly many steps
light and heat
PHOTOSYNTHESIS
___________ + _________ + ___________ →_______________ + __________6 CO2 6 H2O C6H12O6 6O2
_____________ + _________ →________ + __________ + __________
______________________________________________________________
CELLULAR RESPIRATIONC6H12O6 6O2
6 CO2 6 H2O
The two equations are exact opposites!
UNITS FOR MEASURING HEAT ENERGY
Food is Energy trapped
Unit for measuring energy in food
= _______________Calorie
http://www.raytechcatalog.com/images/products/mainstay_food_3600_nutrition.gif
http://hesperia.gsfc.nasa.gov/sftheory/images/boilingif
Flooded Corn Field
plants need ______________________ too.
So plants do Photosynthesis to make their food, then they do cellular respiration to get energy from their food! Does that mean plants are cannibals?!!
By:http://skyways.lib.ks.us/towns/ElkCity/2007flood.html
Plants do
____________
but
photosynthesis
oxygen for cellular respiration
Factors Affecting Cellular Respiration
1. Temperature – usually the rate of cellular respiration increases as temperature increases
• This is why you sweat more if its hot when you work out or dance or whatever you do to sweat.
• You are burning Food for energy, doing more cellular respiration
Factors that affect Cellular Respiration
1. Glucose and Oxygen – The more reactants the cell has, the more energy it can produce
What happens when you don’t eat enough?
No Energy!!!!Weak!!!!
Check for Understanding
1. Write the equation for Cellular Respiration.
2. What is the name of the molecule the cell uses to store energy taken from sugar and other food?
3. Besides sugar what does an organism need in order to do cellular respiration?
4. What is the name of the organelle where cellular respiration takes place?
5. If I am not feeling energetic what can I do to increase my cellular respiration?
Core High School Life SciencePerformance Descriptors
High school students performing at the
ADVANCED level:
analyze chemical reaction and chemical processes involved in the Calvin Cycle and Krebs Cycle;
predict the function of a given structure;
High school students performing at the
PROFICIENT level:
describe and give examples of chemical reactions required to sustain life (…role of enzymes)
describe and give examples of chemical reactions required to sustain life (hydrolysis, dehydration synthesis, photosynthesis, cellular respiration, ADP/ATP, role of enzymes);
describe the relationship between structure and function
High school students performing at the
BASIC level
name chemical reactions required to sustain life (… role of enzymes)
name chemical reactions required to sustain life (hydrolysis, dehydration synthesis, photosynthesis, cellular respiration, ADP/ATP, role of enzymes);
recognize that different structures perform different functions;