Download Objective 1: Identify products and reactants in a chemical equation

Name: __________________________
Cell Energy Review Sheet
Objective 1: Identify products and reactants in a chemical equation.
 On which side of a chemical reaction are products found? Reactants?
Objective 2: Explain how the law of conservation of mass relates to chemical equations.
 What does the law of conservation of mass say?

Why does a chemical equation have to be “balanced”?
Objective 3: Give examples of the forms of energy used by living things and what they use them for.
 List the 4 main forms of energy used by living things. Briefly describe each.

List 2 things you need energy for.
Objective 4: Describe how the structure of ATP allows it to store energy.
 Why do organisms need to be able to store energy?

Draw a picture of ATP in the space below. Where is the energy stored?

How is energy released from ATP?

How is ADP related to ATP?
Objective 5: Explain the role of chemical bonds in storing energy in carbs, lipids and proteins.
 Where is energy stored in macromolecules such as carbohydrates, proteins and lipids?

Why do lipids have more energy per gram than carbohydrates?
Objective 6: Describe the structure of an enzyme and how it interacts with a substrate.
 What effect do enzymes have on the speed of chemical reactions?

Draw a picture of an enzyme interacting with its substrate. Label the enzyme, active site and
substrate.
Name: __________________________
Cell Energy Review Sheet
Objective 7: Describe the effect enzymes have on the energy of chemical reactions.
 What is activation energy?

Do enzymes increase or decrease activation energy? _____________________
Objective 8: Explain how competitive and noncompetitive inhibition regulate enzyme function.
 Explain how competitive inhibition works. You may draw a picture if you explain it.

Explain how noncompetitive inhibition works. You may draw a picture if you explain it.
Objective 9: Identify the cell structures involved in photosynthesis and respiration.
 What types of living things are capable of photosynthesis? What cell part do they use?

What living things are capable of cellular respiration? What cell part do they use?
Objective 10: Relate the structure of a chloroplast to its role in photosynthesis.
 Draw a picture of a chloroplast below. Label the grana, thylakoid and stroma.

In which part of the chloroplast do the light dependent reactions happen? WHY?
Objective 11: Explain how guard cells control transpiration and regulate the exchange of gases in
plants.
 What gases are exchanged through the stomata?

On a hot, dry day, would you expect a plant’s stomata to be open or closed? Why?

Explain how the guard cells control the stomata.
Name: __________________________
Cell Energy Review Sheet
Objective 12: Identify the purposes of photosynthesis and respiration.
 What is the purpose (goal) of photosynthesis?

What is the purpose (goal) of respiration?
Objective 13: Identify the reactants and products of photosynthesis and respiration
 What are the reactants needed for photosynthesis to occur? Products?

What are the reactants needed for respiration to occur? Products?
Objective 14: Recognize and interpret the equations for photosynthesis and respiration.
 Write out the equation for photosynthesis. Label the reactants and products.

Write out the equation for respiration. Label the reactants and products.
Objective 15: Describe the flow of energy in photosynthesis and respiration.
 In photosynthesis energy from _________________ is transferred to ___________________
and then to _______________________.

In respiration energy from _____________ is transferred to _________________________
and then to ___________________.
Objective 16: Compare photosynthesis and respiration.
 Explain why photosynthesis and respiration are sometimes considered opposite processes?
Objective 17: Summarize the events of the light dependent and light independent reactions of
photosynthesis.
 What is needed for the light dependent reactions to occur? Where is energy stored during the
light reactions?

What waste product is given off during the light dependent reactions? __________________
Name: __________________________
Cell Energy Review Sheet

What is needed for the light independent reactions to occur? Where is energy stored during the
light independent reactions (Calvin Cycle)?

What waste product is given off during the light independent reactions? __________________
Objective 18: Compare aerobic and anaerobic respiration.
 What is the main difference between aerobic and anaerobic respiration?

Give 2 examples of anaerobic respiration.

List 3 living things that use aerobic respiration.
Objective 19: Summarize events of cellular respiration including glycolysis, Krebs cycle & the
electron transport chain.
 What happens to glucose during glycolysis? How many ATP are produced?

What waste product is given off during the Krebs cycle? What form is energy stored in?

What form is energy converted to in the electron transport chain? What waste product is
released?