Download Cellular Energy Foldable Instructions and Content

Cellular Energy Foldable Instructions
Materials: 3 pieces of white computer paper, photosynthesis picture, cellular respiration picture, a pencil,
crayons/colored pencils (optional)
How to create your foldable:
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Stack the three sheets of paper so that there is about 1 inch between the bottom edges of each sheet.
Bring the top edges down and align the sheets so that all of the layers are about 1 inch apart.
Fold and crease well.
Use two staples at the top, as close to the fold as possible, to hold all of the sheets together. Make sure to catch
all layers with your staples.
5. Cut the top 5 sheets of paper in half from the bottom (open end) of our foldable to the top (creased end) of your
foldable. Be sure to leave the bottom sheet intact or you will end up with two foldables instead of one.
6. Label the tabs of your foldable as shown on the screen.
7. Include all of the following information on the appropriate tabs.
Photosynthesis
Formula: Write the balanced chemical formula. Label the reactants and products. Write the formula in words.
Where: 1. What organism(s) do the process of photosynthesis? 2. What organelle does photosynthesis take place in? 3.
Include the picture provided by Mrs. Fletcher.
Purpose: Use any resources available to you to describe the purpose of photosynthesis. Does this reaction store or
release energy?
2 Reactions: For each reaction give its name, where it occurs, and what is created in that step. Also give any other
information that is important or interesting.
Cellular Respiration
Formula: Write the balanced chemical formula. Label the reactants and products. Write the formula in words.
Where: 1. What organism(s) do the process of cellular respiration? 2. What organelle does cellular respiration take place
in? 3. Include the picture provided by Mrs. Fletcher.
Purpose: Use any resources available to you to describe the purpose of cellular respiration. Does this reaction store or
release energy?
3 Reactions: For each reaction give its name, where it occurs, is it aerobic or anaerobic, and what is created in that step.
Also give any other information that is important or interesting.
Energy Molecules, Vocabulary, and Questions
Energy Molecules: Draw a picture of an ATP
molecule and glucose molecule.
Vocabulary: define the terms Pigment, chlorophyll,
aerobic, anaerobic, fermentation, radiant energy,
chemical energy, mechanical energy, metabolism
Questions:
1. What things are recycled (used over and over again)
during photosynthesis and respiration?
2. What will happen to plants that are kept in the dark?
3. What will happen if you forget to water your plants?
4. What happens to animals that are deprived of
oxygen?
5. One hypothesis regarding the extinction of dinosaurs
is that a meteor hit the earth causing an explosion so
powerful that dust blocked out the sun. Explain why this
could have caused a mass extinction?
6. When you walk your dog, you are using energy from
the sunlight to power this activity. Explain.
7. What is the relationship between photosynthesis and
respiration
Photosynthesis: Plants as Solar Energy Converters
A. Photosynthetic Reaction
Light
Carbon dioxide + Water ----------> Oxygen + Glucose
Light
6CO2 + 6H20 -----------> 6O2 + C6H12O6
B. Two Sets of Reactions in Photosynthesis
Light Dependent and Light Independent
1. Light reactions are the energy-capturing reactions.
b. Chlorophyll within thylakoid membranes absorbs solar energy to split H2O creating O2 and energizes
electrons.
c. Energized electrons move down the electron transport system; energy is captures and used for ATP
production.
d. Energized electrons are also taken up by NADP+, forming NADPH.
2. Calvin Cycle Reactions
a. These reactions take place in the stroma; can occur in either the light or the dark.
b. These are synthesis reactions that use NADPH and ATP to reduce CO2.
c. The end product is glucose which can be used by the plant
CELLULAR RESPIRATION
A. Cellular Respiration Reaction
Cellular respiration is the enzymatic breakdown of glucose (C6H12O6) in the presence of oxygen (O2) to
produce cellular energy - ATP
C6H12O6 + 6O2 -->6 CO2 + 6H2O + 36 ATP
glucose + oxygen --> carbon dioxide + water + ATP
B. 3 Sets of Reactions in Cellular Respiration
1.Glycolysis:
a) 6 carbon glucose is split into two 3 carbon pyruvates
b) anaerobic - proceeds whether or not O2 is present ; O2 is not required
d) net yield of 2 ATP per glucose molecule
e) net yield of 2 NADH per glucose ---> sent to the ETC in mitochondria
If oxygen is not present, pyruvate is converted to lactic acid in the cytoplasm – a form of anaerobic
respiration
2. Krebs Cycle or Citric Acid Cycle
a) occurs in the inner mitochondrial matrix
b) an aerobic process; will proceed only in the presence of O2
c) net yield of 2 ATP per glucose molecule
d) net yield of 6 NADH and 2 FADH2 (NAD+ is reduced to NADH, FAD+ is reduced to FADH)
e) in this stage of cellular respiration, the oxidation of glucose to CO2 is completed.
3. Electron Transport System:
a) consists of a series of enzymes on the inner mitochondrial membrane
b) electrons are released from NADH and from FADH2 and as they are passed along the series of enzymes,
they give up energy which is used to fuel a process called chemiosmosis, which drives the process of ATP
synthesis using an enzyme called ATP Synthase (or ATPase).
c) net yield of 32 ATP per glucose molecule
d) 6 H2O are formed when the electrons unite with O2* at the end of electron transport chain.
* Note: This is the function of oxygen in living organisms!