"9.1 Cellular Respiration: an Overview"

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Name
Class
Date
9.1
Cellular Respiration: An Overview
Lesson Objectives
Explain where organisms get the energy they need for life processes.
Define cellular respiration.
Compare photosynthesis and cellular respiration.
BUILD
Vocabulary
The chart below shows key terms from the lesson with their definitions. Complete the chart by
writing a strategy to help you remember the meaning of each term. One has been done for you.
Term
Definition
How I’m Going to Remember the
Meaning
Aerobic
Process that requires oxygen
Aero- means “air”; oxygen is part of air.
Process that does not require
Anaerobic
oxygen
Amount of energy needed to
calorie
raise the temperature of 1 gram
of water 1 degree Celsius
Cellular
Process that uses oxygen to
respiration
release energy from food
BUILD
Understanding
Preview Visuals
Previewing visuals and taking notes about them can help you remember what
you read and review for tests. As you look at each visual, think about why it may be important to
the lesson.
Draw a T-Chart in your notebook. Make a list of questions you have about the diagram The
Stages of Cellular Respiration. List those questions in the left column. Read about the stages
of cellular respiration in your textbook. As your questions are answered, record these
answers in the right column. You can see a sample below.
Your Question Before Reading
Your Answer After Reading
What do the six circles drawn below
The six circles represent the six carbon atoms found
the word Glucose mean?
in glucose.
125
Name
Class
Date
9.1
Cellular Respiration: An Overview
Lesson Objectives
Explain where organisms get the energy they need for life processes.
Define cellular respiration.
Compare photosynthesis and cellular respiration.
BUILD
Vocabulary
The chart below shows key terms from the lesson with their definitions. Complete the chart by
writing a strategy to help you remember the meaning of each term. One has been done for you.
Term
Definition
How I’m Going to Remember the
Meaning
Aerobic
Process that requires oxygen
Aero- means “air”; oxygen is part of air.
Process that does not require
Anaerobic
oxygen
Amount of energy needed to
calorie
raise the temperature of 1 gram
of water 1 degree Celsius
Cellular
Process that uses oxygen to
respiration
release energy from food
BUILD
Understanding
Preview Visuals
Previewing visuals and taking notes about them can help you remember what
you read and review for tests. As you look at each visual, think about why it may be important to
the lesson.
Draw a T-Chart in your notebook. Make a list of questions you have about the diagram The
Stages of Cellular Respiration. List those questions in the left column. Read about the stages
of cellular respiration in your textbook. As your questions are answered, record these
answers in the right column. You can see a sample below.
Your Question Before Reading
Your Answer After Reading
What do the six circles drawn below
The six circles represent the six carbon atoms found
the word Glucose mean?
in glucose.
125
Name
Class
Date
Overview of Cellular Respiration
Cellular respiration is the process that uses oxygen to release energy from food.
Use the terms in the box below to label the diagram of cellular respiration.
electron transport
Krebs cycle
glycolysis
mitochondrion
Glucose
Energy
Energy
CO
2
Energy
O
H
O
2
2
Answer the questions.
1. Where does glycolysis take place?
A. mitochondrion
C. cell membrane
B. cytoplasm
D. nucleus
2. Where do the Krebs cycle and the electron transport chain take place?
A. ribosome
C. mitochondrion
B. nucleus
D. cytoplasm
3. Which reactant is used in the electron transport chain?
A. water
C. oxygen
B. carbon dioxide
D. sugar
4. Which stage(s) of cellular respiration are aerobic?
A. glycolysis
C. electron transport
B. Krebs cycle
D. both B and C
126
Name
Class
Date
Comparing Photosynthesis and Cellular Respiration
Cellular respiration and photosynthesis can be thought of as opposite processes. Energy flows in
opposite directions in the two processes.
Complete the table using the words below. Some words may be used more than once. You
will use more than one term in some of the spaces.
carbon dioxide
energy release
mitochondria
water
Photosynthesis
Cellular Respiration
Function
energy capture
Location
chloroplasts
Reactants
glucose and oxygen
Products
oxygen and glucose
Answer the questions
1. Circle the correct answer. Which process releases energy for the cell?
cellular respiration
photosynthesis
2. Circle the correct answer. For which reaction is 6CO
+ 6H
O → C
H
O
+ 6O
the correct
2
2
6
12
6
2
equation?
cellular respiration
photosynthesis
3. Which statement about cellular respiration is true?
A. Cellular respiration does not use energy.
B. The total amount of energy is constant.
C. Energy is destroyed during the reaction.
D. Energy is created during the reaction.
4. How are the processes of photosynthesis and cellular respiration connected?
A. The products of both processes are the same.
B. The reactants for one process are the same as the reactants for the other process.
C. Each process provides the materials needed in the other process.
D. There is no direct relationship.
127
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