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Questions and Answers
What are the individual sacs formed by the inner membrane of a chloroplast called?
What are the individual sacs formed by the inner membrane of a chloroplast called?
What is the primary function of chlorophyll found in thylakoids?
What is the primary function of chlorophyll found in thylakoids?
Which color can chlorophyll and accessory pigments be classified under?
Which color can chlorophyll and accessory pigments be classified under?
What are grana connected by that helps maintain the structure of the chloroplast?
What are grana connected by that helps maintain the structure of the chloroplast?
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What type of reaction is photosynthesis classified as?
What type of reaction is photosynthesis classified as?
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What is the carbon source used during the photosynthesis process?
What is the carbon source used during the photosynthesis process?
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What term describes the packets of energy that sunlight is absorbed as?
What term describes the packets of energy that sunlight is absorbed as?
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How many membranes surround a chloroplast?
How many membranes surround a chloroplast?
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On which side of the membrane would you locate the STROMA?
On which side of the membrane would you locate the STROMA?
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Where is the INNER THYLAKOID SPACE located?
Where is the INNER THYLAKOID SPACE located?
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In which part of the diagram does ATP formation take place?
In which part of the diagram does ATP formation take place?
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What color represents the electrons in the coloring instructions for the diagram?
What color represents the electrons in the coloring instructions for the diagram?
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Which color represents the energy from sunlight according to the diagram instructions?
Which color represents the energy from sunlight according to the diagram instructions?
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Where do light energy reactions primarily enter the process according to the diagram?
Where do light energy reactions primarily enter the process according to the diagram?
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What must happen to water molecules during this process in order to produce NADPH?
What must happen to water molecules during this process in order to produce NADPH?
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What color should be used to represent the hydrogen ions in the diagram?
What color should be used to represent the hydrogen ions in the diagram?
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Which gas is NOT exchanged through the stomata of a leaf?
Which gas is NOT exchanged through the stomata of a leaf?
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What type of organism is capable of producing its own food through photosynthesis?
What type of organism is capable of producing its own food through photosynthesis?
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In which part of the plant does photosynthesis primarily occur?
In which part of the plant does photosynthesis primarily occur?
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Which molecule stores more than 90 times the energy in an ATP molecule?
Which molecule stores more than 90 times the energy in an ATP molecule?
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What organelle is responsible for photosynthesis in plant cells?
What organelle is responsible for photosynthesis in plant cells?
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What is the thick fluid inside a chloroplast called?
What is the thick fluid inside a chloroplast called?
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What do all organisms use to regenerate ATP?
What do all organisms use to regenerate ATP?
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Which of the following structures regulates the opening and closing of stomata?
Which of the following structures regulates the opening and closing of stomata?
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Which of the following statements about ATP is TRUE?
Which of the following statements about ATP is TRUE?
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How many membranes does a chloroplast have?
How many membranes does a chloroplast have?
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What is the primary role of pigments like carotenoids in photosynthesis?
What is the primary role of pigments like carotenoids in photosynthesis?
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What are the reactants needed for the light-dependent reactions?
What are the reactants needed for the light-dependent reactions?
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What are the pores on the underside of leaves called?
What are the pores on the underside of leaves called?
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During the light dependent reactions of photosynthesis, which gas is released?
During the light dependent reactions of photosynthesis, which gas is released?
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Where do the Calvin Cycle reactions take place?
Where do the Calvin Cycle reactions take place?
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What process transfers electrons from Photosystem II to Photosystem I?
What process transfers electrons from Photosystem II to Photosystem I?
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Which of the following products is produced in the Calvin Cycle?
Which of the following products is produced in the Calvin Cycle?
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Which factors affect the rate of photosynthesis?
Which factors affect the rate of photosynthesis?
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Which statement describes the light-dependent reactions?
Which statement describes the light-dependent reactions?
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What type of proteins assist in chemical reactions in living organisms?
What type of proteins assist in chemical reactions in living organisms?
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What is the main function of NADPH in photosynthesis?
What is the main function of NADPH in photosynthesis?
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How does light intensity affect the rate of photosynthesis?
How does light intensity affect the rate of photosynthesis?
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Which of these substances plays a crucial role in the light-independent reactions?
Which of these substances plays a crucial role in the light-independent reactions?
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What happens to enzymes involved in photosynthesis when temperatures are excessively high?
What happens to enzymes involved in photosynthesis when temperatures are excessively high?
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What is the ultimate energy source for life on Earth?
What is the ultimate energy source for life on Earth?
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What is released when the last phosphate bond on ATP is broken?
What is released when the last phosphate bond on ATP is broken?
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What are the products of ATP when it is broken down?
What are the products of ATP when it is broken down?
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What is the process called that synthesizes ATP from ADP and a free phosphate?
What is the process called that synthesizes ATP from ADP and a free phosphate?
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Where do the light reactions of photosynthesis take place within a chloroplast?
Where do the light reactions of photosynthesis take place within a chloroplast?
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Which component is NOT a part of ATP?
Which component is NOT a part of ATP?
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Does the Calvin cycle require direct light energy?
Does the Calvin cycle require direct light energy?
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Which energy carrier is produced during the light-dependent reactions of photosynthesis?
Which energy carrier is produced during the light-dependent reactions of photosynthesis?
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Study Notes
Photosynthesis Overview
- Photosynthesis is an anabolic reaction, combining simple molecules into more complex molecules.
- It is an endergonic process, storing energy.
- The process uses energy from sunlight, storing energy in the bonds of sugar molecules.
- Carbon dioxide is the main carbon source for photosynthesis.
- Light-absorbing pigments capture solar energy, used to convert water and carbon dioxide into glucose and oxygen.
Photosynthesis Location
- Photosynthesis occurs mainly in the leaves of plants.
- Specialized cells called mesophyll cells contain chloroplasts within them.
- Pores called stomata facilitate gas exchange in the leaves, allowing carbon dioxide entry and oxygen release.
Photosynthesis Reactants and Products
- The raw materials for photosynthesis are carbon dioxide, water, and light energy (from the sun).
- The products of photosynthesis are glucose (a simple sugar) and oxygen.
- The overall reaction is: 6CO2 + 6H2O + light energy → C6H12O6 + 6O2
Cellular Energy
- The ultimate energy source for life on Earth is sunlight.
- Plants store energy in the chemical bonds of sugars.
- The chemical energy of sugars is released during cellular respiration, that is also used to generate energy.
- Adenosine triphosphate (ATP) is the main energy molecule for cells and has high-energy chemical bonds.
- When the last phosphate bond breaks in an ATP molecule, energy is released, which cells can then use to perform work.
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Description
This quiz explores the fundamental concepts of photosynthesis, including its definition as an anabolic reaction and its location within plant cells. It covers the reactants and products involved in the process, as well as the role of light-absorbing pigments and gas exchange. Test your understanding of how plants convert sunlight into chemical energy.
