Cellular Respiration - Weebly

Cellular Respiration - Weebly

Catalyst Complete K & W on KWL chart in guided notes Objectives SWBAT define metabolism SWBAT explain the ATP/ADP cycle SWBAT differentiate between autotrophs and heterotrophs SWBAT identify the types of energy involved in photosynthesis

SWBAT identify the reactants and products of photosynthesis METABOLISM Use of energy by organisms ATP ATP= adenosine triphosphate Energy molecule of the cell

Like Energy Currency How do we get energy from ATP? Energy is released from ATP when a phosphate group is removed When the bond is broken, it becomes ADP (adenosine diphosphate) Explain how the jar is like the ATP/ADP cycle.

How Organisms Get Energy Autotrophs Organisms that make their own energy (Also called producers) Heterotrophs

Organisms that consume energy (Also called consumers) What is Photosynthesis? Photo= Light Synthesis= To make or put things together Photosynthesis= making glucose with light

WHAT is Photosynthesis DEF Using light energy to convert water and carbon dioxide into sugars and starches (chemical energy) Light Energy Chemical Energy (ATP)

What is Photosynthesis? WHAT is Photosynthesis (inside chloroplast) 6CO2+6H2O+sunlight C6H12O6+6O2 Reactants: Carbon dioxide, water,

sunlight Products: Glucose & Oxygen Check for Understanding #1 What is the difference between autotrophs and heterotrophs? A.) Autotrophs make their own energy and heterotrophs eat their energy B.) Heterotrophs make their own energy and autotrophs eat their energy

C.) Both make their own energy D.) Both consume their energy Question 2 Why is ATP called energy currency? A.) Because people like to spend it B.) Because when a phosphate group of ADP is broken, it forms ATP and releases energy C.) Because when an adenosine group of ATP is broken, it forms ADP and releases energy

D.) Because when a phosphate group of ATP is broken, it forms ADP and releases energy Question 3 What are the reactants of photosynthesis? A.) Glucose and oxygen B.) Carbon dioxide and oxygen C.) Carbon dioxide ,water, and light D.) Water , glucose, and light

Question 4 What are the products of photosynthesis? A.) Glucose and oxygen B.) Carbon dioxide and oxygen C.) Carbon dioxide and water D.) Water and glucose Question 5

What group of organisms convert light energy to chemical energy? A.) Heterotrophs B.) Consumers C.) Autotrophs D.) All of the above WHO uses Photosynthesis

Most autotrophs ALL plants, Many bacteria {cyanobacteria},

Plant-like protists WHEN does Photosynthesis occur Needs 3 factors to occur: * Sunlight Intensity {varies plant to plant} * Water {wax coat adaptation in some} * Proper temperature {0*C to 35*C}

WHERE Photosynthesis Occurs In the Chloroplasts Found in plant cells WHERE Photosynthesis Occurs The main pigments

inside a chloroplast are thylakoids that absorb the light

energy. Chlorophyll - Green pigment Carotene- Orange & brown Who is lost? WHERE Photosynthesis Occurs

Thylakoids are disk shaped membranes that contain pigments (chlorophyll) to absorb light. A stack of thylakoids is called a granum Light dependent reactions take place here.

WHERE Photosynthesis Occurs Stroma Fluid outside the thylakoid. Calvin Cycle= Dark Reaction = light independent reaction takes place here. Question 6 Which part of the chloroplast is

found in stacks? A.) Granum B.) Stroma C.) Thylakoids D.) Chlorophyll Question 7 What do we call the fluid that surrounds the stacks? A.) Chloroplast

B.) Chlorophyll C.) Stroma D.) Thylakoid Question 8 Why are most plants green? A.) Because St. Patrick likes green B.) The presence of carotenoids C.) The presence of stroma D.) The presence of chlorophyll

Question 9 Why do some leaves turn color (red, orange, brown) in the fall? A.) Production of chloroplasts decreases B.) Production of chlorophyll decreases C.) Chlorophyll stops working D.) Stroma dries out Photosynthe

sis has two reactions Light Dependent reactions Light Independent reactions Each reaction occurs in a different part of the chloroplast Light

Dependent Reaction Light Independent Reaction (Calvin Cycle) Light?

Requires Light Does not require light Location Thylakoids

Stroma **REMEMBER: Thylakoids have chlorophyll. This chlorophyll makes them green. Chlorophyll absorbs light. Therefore thylakoids absorb light. Stroma DOES NOT have chlorophyll. Therefore, it DOES NOT absorb light. So the light independent reaction takes place in the stroma What is NADPH?

*NADPH: Electron carrier involved in electron transport When combined with ATP, this becomes an energy source in photsynthesis!

Step 1: Light Dependent Reactions sun + H20 = ATP + NADPH + O2 NADPH+ATP sources

LIGHT ENERGY + WATERare = energy Chemical ENERGY that connect the light dependent reaction to the light independent reaction + OXYGEN

Light independent reactions (Calvin Cycle) to make sugar Question 1 What are the reactants of the lightdependent reaction? A. Water + sunlight B. ATP + NADPH + O2 C. Water + ATP D. Sunlight + O2

Question 2 What are the products of the lightdependent reactions? A. Water + sunlight B. ATP + NADPH + O2 C. Water + ATP D. Sunlight + O2

ATP made during the lightdependent reaction travels from the thylakoids to the stroma to be used in the Calvin cycle ATP Step 2: Light independent Reactions ATP+NADPH+C02 = ADP+NADP+Sugar

Sugar (glucose) C6H12O6 ALSO KNOWN AS THE CALVEN CYCLE Metabolism Objectives: SWBAT

identify the reactants and products of cellular respiration SWBAT explain the three stages of cellular respiration (Glycolysis, Krebs, ETC) SWBAT

SWBAT identify the parts of the mitochondria correlate the processes of respiration with the parts of the mitochondrion Objectives (continued) SWBAT differentiate between aerobic and anaerobic respiration

SWBAT explain why anaerobic respiration (fermentation) occurs SWBAT identify and describe the two types of fermentation (lactic acid and alcoholic) WHAT DEF

is Cellular Respiration Process that releases energy (ATP) by breaking down glucose (food) molecules WHO uses Cellular Respiration EVERY

Fungi Animals organism ALL life Bacteria* Plants

Protists How do plants do cellular respiration? I thought plants did photosynthesis??? They do BOTH!!!!!! WHAT is Cellular

Respiration Formula 6O2 + C6H12O6 6CO2 +6H2O + ATP Reactants: Products: Glucose & Oxygen

Carbon dioxide, water & energy O2 C6H12O6 2C3H4O3 CO2 2

2 H2 0 32 WHEN When Called

does Cellular Respiration occur glucose and oxygen are available aerobic respiration WHERE Cellular Respiration Occurs In the mitochondrion

Three steps to cellular respiration 1. Glycolysis 2. Krebs cycle

3. Electron Transport Chain HOW Cellular Respiration Occurs Step

1 Glycolysis Glyco- = sugar -lysis = break open breaking down of glucose into 2 pyruvate.

Location - in the cellss cytoplasm HOW Cellular Respiration Occurs Step 2 Krebs Cycle

Pyruvate (C3H4O3) is broken down into CO2 & H electrons in a series of reactions. Reactants pyruvic acid, O2 Products

CO2, FADH, NADH Location mitochondria HOW Cellular Respiration Occurs. Step 3 ETC

Hydrogen e- move down the E.T.C. Energy captured by ADP & PATP Reactant

H electrons Product ATP, H2O Location mitochondria O2 C6H12O6 2C3H4O3

CO2 2 2 H2 0 32 Total Products of Aerobic Respiration

Uses glucose and oxygen in mitochondria to create 36 ATP, 6CO2 and 6H2O

What if there is no Oxygen? Anaerobic Respiration {fermentation} takes place if there is not any oxygen. Happens in the cytoplasm Also known as fermentation!

2 Types of Fermentation Alcoholic Fermentation (some bacteria, Yeast) Lactic Acid

Fermentation (Eukaryotes) Alcoholic fermentation occurs in cytoplasm makes 2 ATP, alcohol & CO2. Used by yeast in food

processing RECAP - Cellular Respiration Lactic Acid Fermentation Occurs in cytoplasm and makes 2 ATP and lactic acid.

Lactic Acid Fermentation cont Occurs in muscle cells during sudden or rapid

exercise

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