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Photosynthesis and Cellular Respiration
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Energy and Life
The Reactions of
Photosynthesis
Leaf Structure and
Function
Anaerobic Cellular
Respiration
Aerobic Cellular
Respiration
FINAL ROUND
Topic 1:
$100 Question
Where does the energy of food originally come from?
BACK TO GAME
ANSWER
Topic 1:
$100 Answer
Light energy that is captured by autotrophs using photosynthesis.
BACK TO GAME
Topic 1:
$200 Question
What is the principal chemical compound that organisms use to deliver energy where it is needed to perform life processes?
BACK TO GAME
ANSWER
Topic 1:
$200 Answer
ATP
BACK TO GAME
Topic 1:
$300 Question
What are two ways in which cells use the energy provided by ATP?
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ANSWER
Topic 1:
$300 Answer
Possible answers include:
Active Transport
Cell Movement
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Topic 1:
$400 Question
Why is it efficient for cells to keep only a small supply of ATP on hand?
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ANSWER
Topic 1:
$400 Answer
ATP can only store energy for short periods of time. As a result, it must constantly be generated within cells.
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Topic 1:
$500 Question
What is the source of energy to regenerate ATP? What two molecules are joined to form ATP using this energy?
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ANSWER
Topic 1:
$500 Answer
The energy to join ADP with phosphate to form ATP comes from carbohydrates like glucose.
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Topic 2:
$100 Question
Write the overall equation for photosynthesis using both words and a balanced chemical equation. BACK TO GAME
ANSWER
Topic 2:
$100 Answer
Carbon dioxide + Water Glucose + Oxygen
6CO2 + 6H2O C6H12O6 + 6O2
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Topic 2:
$200 Question
What does photosynthesis require in addition to water and carbon dioxide?
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ANSWER
Topic 2:
$200 Answer
Light energy and chloroplasts
BACK TO GAME
Topic 2:
$300 Question
In what regions of the visible spectrum does chlorophyll absorb light very well?
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ANSWER
Topic 2:
$300 Answer
Red and Blue
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Topic 2:
$400 QuestionWhere do the light-dependent reactions take place? AND
Which of the following is/are true about the light-dependent reactions.
a. They convert ADP into ATP.
b. They produce oxygen gas.
c. They convert oxygen into carbon dioxide.
d. They convert NADP+into NADPH.
BACK TO GAME
ANSWER
Topic 2:
$400 Answer
The light-dependent reactions take place in the thylakoid membranes of the grana
The following are true about the light-dependent reactions.
a. They convert ADP into ATP.
b. They produce oxygen gas.
c. They convert oxygen into carbon dioxide.
d. They convert NADP+ into NADPH. BACK TO GAME
Topic 2:
$500 QuestionWhere do the light-independent reactions take place?
Which of the following is/are true about the light- independent reactions.
a. The main products of the light-independent reactions are six carbon dioxide molecules.
b. Carbon dioxide molecules enter the light-independent reactions from the atmosphere.
c. Energy from ATP and high-energy electrons from NADPH are used to convert carbon dioxide molecules into glucose molecules.
d. The light-independent reactions use six molecules of carbon dioxide to produce a single 6-carbon sugar molecule.
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ANSWER
Topic 2:
$500 Answer
The light-independent reactions take place in the stroma
The following are true about the light- independent reactions.
a. The main products of the light-independent reactions are six carbon dioxide molecules.
b. Carbon dioxide molecules enter the light-independent reactions from the atmosphere.
c. Energy from ATP and high-energy electrons from NADPH are used to convert carbon dioxide molecules into glucose molecules.
d. The light-independent reactions use six molecules of carbon dioxide to produce a single 6-carbon sugar molecule.
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Topic 3:
$100 Question
BACK TO GAME
ANSWER
What is the name and function of structure A?
A
Topic 3:
$100 Answer
The palisade layer is the main location where photosynthesis occurs
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Topic 3:
$200 Question
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ANSWER
What is the name and function of structure B?
B
Topic 3:
$200 Answer
The waxy cuticle helps prevent water loss from the leaf
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Topic 3:
$300 Question
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ANSWER
What is the name and function of structure C?
C
Topic 3:
$300 Answer
The vein, composed of xylem and phloem, conducts materials to and from leaf tissues
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Topic 3:
$400 Question
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ANSWER
What is the name and function of structures D and E?
D
E
Topic 3:
$400 Answer
D- The stomate allows gas exchange between the leaf and the environment
E- The guard cells form and regulate the size of the stomate
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Topic 3:
$500 Question
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ANSWER
What is the name and function of structure F?
F
Topic 3:
$500 Answer
The spongy layer provides air spaces so that atmospheric gases can reach deep into the interior of the leaf
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Topic 4:
$100 Question
What are the main differences between anaerobic and aerobic cellular respiration?
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ANSWER
Topic 4:
$100 Answer
Anaerobic: no O2 needed, little energy released from glucose
Aerobic: O2 needed, lots of energy released from glucose
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Topic 4:
$200 Question
What are the two main stages of anaerobic cellular respiration and where do they occur within a cell?
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ANSWER
Topic 4:
$200 Answer
Glycolysis Fermentation
Both occur in the cytoplasm
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Topic 4:
$300 Question
What are the three major products of glycolysis? How many molecules of each product are made per glucose? BACK TO GAME
ANSWER
Topic 4:
$300 Answer
Glycolysis produces:
a net of 2ATP’s (use 2, produce 4)
2 NADH’s
2 pyruvic acids
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Topic 4:
$400 Question
How does fermentation allow glycolysis to continue?
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ANSWER
Topic 4:
$400 Answer
Fermentation recycles the carrier molecule NADH back to NAD+.
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Topic 4:
$500 Question
What are the two main types of fermentation?
What are the products of each type?
During rapid exercise, how do your muscle cells produce ATP?
BACK TO GAME
ANSWER
Topic 4:
$500 Answer
The two main types of fermentation are:
1. Alcoholic: produces ethyl alcohol and carbon dioxide
2. Lactic Acid: produces lactic acid
When O2 levels are low, human muscle cells rely on lactic acid fermentation to produce ATP
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Topic 5:
$100 Question
What are the main stages of aerobic cellular respiration and where do they occur within a cell?
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ANSWER
Topic 5:
$100 Answer
Glycolysis Kreb’s Cycle ETC*
*electron transport chain
Glycolysis occurs in the cytoplasm
Kreb’s and ETC occur in the mitochondria
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Topic 5:
$200 Question
How many molecules of ATP are produced in the complete breakdown of glucose during aerobic cellular respiration?
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ANSWER
Topic 5:
$200 Answer
BACK TO GAME
36 ATP’s
Topic 5:
$300 Question
During the energy extraction part of the Krebs cycle, how many molecules of CO2 are released per glucose? BACK TO GAME
ANSWER
Topic 5:
$300 Answer
6 molecules of CO2
(3 for each of the two pyruvic acids that enter the cycle)
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Topic 5:
$400 Question
From where does the electron transport chain get the high-energy electrons that are passed down the chain? BACK TO GAME
ANSWER
Topic 5:
$400 Answer
The electrons are carried to the electron transport chain by NADH and FADH2 molecules.
(The original source of these electrons is hydrogen atoms from glucose.)
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Topic 5:
$500 Question
What is the energy of the high-energy electrons used for every time 2 high-energy electrons move down the electron transport chain?
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ANSWER
Topic 5:
$500 Answer
The energy is used to actively transport H+ particles across the inner mitochondrial membrane. The concentration gradient that is created is then used to power the production of ATP.
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Comparing Photosynthesis
and
Cellular Respiration
FINAL ROUND Question
If photosynthesis is the process that “deposits” energy in a “savings account,” then what is cellular respiration?
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ANSWER
FINAL ROUND Answer
Cellular respiration “withdraws” the energy that was deposited by photosynthesis and re-invests the energy into ATP.
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