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CELLULAR RESPIRATION Chemical Pathways Chapter 9-3 http://www.clickatutor.com/mitochondria.jpg

CELLULAR RESPIRATION Chemical Pathways Chapter 9-3

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Page 1: CELLULAR RESPIRATION Chemical Pathways Chapter 9-3

CELLULAR RESPIRATIONChemical Pathways

Chapter 9-3

http://www.clickatutor.com/mitochondria.jpg

Page 2: CELLULAR RESPIRATION Chemical Pathways Chapter 9-3

___________ use energy from sunlight or chemicals to make their own food

AUTOTROPHShttp://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

Page 3: CELLULAR RESPIRATION Chemical Pathways Chapter 9-3

In this chapter, we will learn how this glucose is ____________ by organisms and the _______ is stored as _______ in a process called___________________

What kind of organisms do this?

energybroken down

ATP

CELLULAR RESPIRATION

Page 4: CELLULAR RESPIRATION Chemical Pathways Chapter 9-3

________(Including _______)

ALL LIVING THINGS NEED ENERGY!

What kind of organisms do this?

plants fungi bacteria__________________ animalshumans

Page 5: CELLULAR RESPIRATION Chemical Pathways Chapter 9-3

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

Page 6: CELLULAR RESPIRATION Chemical Pathways Chapter 9-3

REMEMBER CELL BIO

Page 7: CELLULAR RESPIRATION Chemical Pathways Chapter 9-3

Area with gel-like material

inside cell membrane

surrounding mitochondria

= ______________________

Power plant of cell

that burns glucose

and stores the energy

as ATP

= _______________mitochondria

CYTOPLASM

Image from: http://vilenski.org/science/safari/cellstructure/cytoplasm.html

http://www.clickatutor.com/mitochondria.jpg

Page 8: CELLULAR RESPIRATION Chemical Pathways Chapter 9-3

MITOCHONDRIA = cell power plantSurrounded by ___________ membrane

Outer membrane & Inner membrane (called

_______________ )

Space between inner membrane & outer membrane

= ____________________

Space inside cristae folds

= _________________

CYTOPLASM surrounds mitochondria

INTERMEMBRANE SPACE

DOUBLE

MATRIX

CRISTAE

Page 9: CELLULAR RESPIRATION Chemical Pathways Chapter 9-3

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

Page 10: CELLULAR RESPIRATION Chemical Pathways Chapter 9-3

This process of releasing the energy from FOOD (glucose) to make _____ = ________________

  Image by Riedell Image from: http://www.biologyclass.net/mitochondria.jpe

ATPCELLULAR RESPIRATION

Page 11: CELLULAR RESPIRATION Chemical Pathways Chapter 9-3

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

Page 12: CELLULAR RESPIRATION Chemical Pathways Chapter 9-3

PHOTOSYNTHESIS

___________ + _________ + ___________ →_______________ + __________6 CO2 6 H2O C6H12O6 6O2

_____________ + _________ →________ + __________ + __________

______________________________________________________________

CELLULAR RESPIRATIONC6H12O6 6O2

6 CO2 6 H2O

The two equations are exact opposites!

Page 13: CELLULAR RESPIRATION Chemical Pathways Chapter 9-3

UNITS FOR MEASURING HEAT ENERGY

Amount of heat it takes to raise 1 gram of water 1◦ Celsius = _______________

Unit for measuring energy in food

= _______________

1 Calorie = _________ calories

Calorie

calorie

1000

http://www.raytechcatalog.com/images/products/mainstay_food_3600_nutrition.gif

http://hesperia.gsfc.nasa.gov/sftheory/images/boilingif

Page 14: CELLULAR RESPIRATION Chemical Pathways Chapter 9-3

________ + _________ → ____________

Remember from Photosynthesis?

High energy electron carrier = ___________

Cellular respiration uses some different carriers to transport high energy electrons.

_______ & ________NAD+ FAD

NAD+________ + _________ → ____________2 e- + H+

FAD

NADP+

2 e- + 2H+

Page 15: CELLULAR RESPIRATION Chemical Pathways Chapter 9-3

See glycolysis movie

The first step in cellular respiration = __________________

Glycolysis happens inthe ________________outside the mitochondria

GLYCOLYSIS

CYTOPLASM

Page 16: CELLULAR RESPIRATION Chemical Pathways Chapter 9-3

Glycolysis (GLYKOS = ________ LYSIS= ___________ )

Glycolysis ____________________________BUT it needs some ____________to get it started.

What molecule do you think is going tosupply the energy do this?

split apart

DOES NOT REQUIRE OXYGEN

ATP

sweet

ENERGY

Page 17: CELLULAR RESPIRATION Chemical Pathways Chapter 9-3

________

↓___________ → → _____________

____________________ + _______________

GLUCOSE

2 PYRUVIC ACID

PUT IN ________ and GET BACK __________ Net gain of ________ and __________

2 ATP’s 4 ATP’s

GLYCOLYSIS

2 ATP’s 2 NADH

ATP ATP ATP ATP NADH NADH

Page 18: CELLULAR RESPIRATION Chemical Pathways Chapter 9-3

PYRUVIC ACID MOVES TO NEXT STEP

IF THERE IS NO OXYGEN (______________)

IF THERE IS OXYGEN (_____________)

= ANAEROBIC

= AEROBIC

Page 19: CELLULAR RESPIRATION Chemical Pathways Chapter 9-3

PYRUVIC ACID ___________ OXYGEN

2 kinds of fermentation

___________________ & _____________________

ANAEROBIC

Alcoholic Lactic acid

WITHOUT

Page 20: CELLULAR RESPIRATION Chemical Pathways Chapter 9-3

_______ +_____ →__________ + ______ + _____

ALCOHOLIC FERMENTATION

PYRUVIC ACID

ALCOHOL

Happens when yeast makes bread dough riseCO2 bubbles make _____________ in bread

Alcohol _______________ during cooking

CO2 NAD+

http://www.deliciousdelicious.com/archives/herb%20bread%201.jpg

air spaces

evaporates

Page 21: CELLULAR RESPIRATION Chemical Pathways Chapter 9-3

_______ +_____ →__________ + ______ + _____

ALCOHOLIC FERMENTATION

PYRUVIC ACID

ALCOHOL

Happens when___________ make _______

or

____________ make ______

CO2 NAD+

http://www.firstpath.com/images/alcohol.jpg

yeast beer

bacteria wine

Page 22: CELLULAR RESPIRATION Chemical Pathways Chapter 9-3

_______ +_____ →______________ + ________

LACTIC ACID FERMENTATION

PYRUVIC ACID

LACTIC ACID

Happens in _____________ during ____________when body can’t get oxygen to tissues fast enough.

Lactic acid builds up in muscles causing soreness

NAD+

http://www.miranda.com/library.en/Images/Pictures/girls-runners.jpg

exercise

muscles

Page 23: CELLULAR RESPIRATION Chemical Pathways Chapter 9-3

_______ +_____ →______________ + ________

LACTIC ACID FERMENTATION

PYRUVIC ACID

LACTIC ACID

Happens when bacteria are used to make __________and ____________ like: Yogurt, buttermilk, sauerkraut, pickles, cheesesour cream, & kimchi

NAD+

http://chronicle.augusta.com/images/headlines/032200/DANNON_YOGURT.jpghttp://www.reillydairy.com/natural_cheese.html

foodbeverages

Page 24: CELLULAR RESPIRATION Chemical Pathways Chapter 9-3

WITHOUT OXYGEN, PYRUVIC ACID ___________ and all the _______ carriers get full.

Eventually glycolysis will

WHY DO FERMENTATION?WHY NOT JUST KEEP MAKING ATP USING GLYCOLYSIS?

builds up

NAD+

NAD+

Page 25: CELLULAR RESPIRATION Chemical Pathways Chapter 9-3

_______ +_____ →__________ + ______ + _____

FERMENTATION HAPPENS so cells can ____________________ needed to keep glycolysis going

PYRUVIC ACID

ALCOHOL

CO2 NAD+

REGENERATE the NAD+

LACTIC ACID NAD+

You get the NAD+ carriers back

______

Page 26: CELLULAR RESPIRATION Chemical Pathways Chapter 9-3

Flooded Corn Field

plants need ______________________ too. If plants seeds are under water 3 days or more, the seeds will die. If a plants roots are under water for 3 days or more, the plants will die.

By:http://skyways.lib.ks.us/towns/ElkCity/2007flood.html

Plants do

____________

but

photosynthesis

oxygen for cellular respiration