Cellular Respiration. How We Release Energy From Food!
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1 Cellular Respiration How We Release Energy From Food!
2 Energy Transformations Energy is transformed from one to! What type of energy conversion do you see below?
3 Energy Transformations Energy exists in different forms!!!!! What form does a cell use?
4 Laws of Thermodynamics First Law When energy occur, energy is neither nor. Second Law During transformation there is a of energy.
5 Flow of Energy For this reason, living things are dependent on a constant supply of --the. Provides energy for and. provides living things the building blocks they need to and. Source of materials to synthesize molecules. serves as of.
6 Flow of Energy How much is in food? How do we this? is the amount of energy needed to raise the of _ gram of water _ degree. One of = calories of energy when burned in presence of. Cells don t glucose; energy from glucose and other foods.
7 Major Energy Converting Reactions in Living Things
8 Cellular Respiration Overview The process in which the converts energy ( / ) into usable energy ( ) in the presence of. Majority of reaction takes place in the.
9 Cellular Respiration Overview The process in which the body converts stored chemical energy (glucose / food) into usable chemical energy (ATP) in the presence of oxygen. Majority of reaction takes place in the mitochondria Conversion of and into,, and.!! 02 + C6H12O6 CO2 + H2O + ATP (Energy)! Notice that only can be used for cellular respiration; and must be converted into molecules.
10 Cellular Respiration Overview Cellular Respiration!
11 Cellular Respiration Overview Two Major Forms ( involve oxygen) Transition into the Cycle ( Cycle)
12 Three Main Stages Each captures energy and uses it to produce. (Stage 1) One molecule of is broken in half into molecules ( ). Takes place in the. Net of ATP molecules.
13 Three Main Stages Each stage captures chemical energy and uses it to produce ATP. Cycle (Stage II) Also known as (TCA) Cycle Two is broken down into. Takes place in the. Net of ATP molecules.
14 Three Main Stages Each stage captures chemical energy and uses it to produce ATP. (Stage III) Uses energy to convert into. Occurs within the space between the and membranes. Net of ATP molecules. net gain of _ ATP molecules
15 Three Stages of Cellular Respiration Stage Details Location is split, produced is further broken down, (energy carriers) are produced. is a by-product converted to --- ATP produced! is a byproduct
16 Fermentation Pathway that glycolysis when there is. Process that releases ( ATP) from in the of oxygen ( ).
17 Fermentation Two Types of Fermentation fermentation forms and as! Performed by and other fermentation produces as Performed by during when the does not have enough to produce the necessary. Causes, sensation. Reason why feel. product of organisms. -
18 Energy and Exercise To obtain energy, body uses stored in. Sources supply enough to last ~. Gets energy from breakdown of. Utilizes new ATP produced by. Only way to generate ATP.
19 Comparing Photosynthesis & Cellular Respiration take place in directions. Money in Bank analogy Photosynthesis energy. Cellular respiration energy. for each process are of each other. Photosynthesis CO2 from atmosphere and O2 Cellular respiration uses to release from and puts back into the.
20 Comparing Photosynthesis & Cellular Respiration Photosynthesis Cellular Respiration Function Location Reactants Products Equation
21
22 Cellular Respiration Two Major Forms Anaerobic Glycolysis (does not involve oxygen) Fermentation Aerobic Transition into the mitochondria Kreb cycle Electron Transport Chain
23 Energy and Exercise To obtain energy, body first uses ATP stored in muscles. Sources supply enough ATP to last ~90 seconds. Gets stored energy from muscles breakdown of glycogen. Utilizes new ATP produced by cellular respiration. Only way to generate new ATP.
24 !
25 FERMENTATION!Process that releases energy (2-4 ATP) from food in the absence of oxygen (anaerobic)!!2 Types of Fermentation!Alcoholic fermentation forms alcohol and CO 2 as wastes!performed by yeast and other microorganisms C 6 H 12 O 6 --> H 2 O + CO 2 + ATP + alcohol!lactic acid fermentation produces lactic acid as waste!performed by muscles during exercise when the body does not have enough O 2 to produce the necessary energy - causes painful, burning sensation
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