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How Cells Make Glucose. Photosynthesis consists of two parts. The first requires sunlight and the second does not. The Calvin cycle is also called the dark reactions or light-independent reactions because it is the part that doesn’t need energy from the sun to happen.
Contents
- 1 Why do dark reactions depend on light reactions?
- 2 Why does Calvin cycle needs the product of light rays?
- 3 How does the Calvin cycle light-independent reactions differ from the light-dependent reactions of photosynthesis quizlet?
- 4 How do you define light-dependent reactions quizlet?
- 5 What Does the light-independent reactions produce quizlet?
- 6 What is produced by the light-dependent reactions of photosynthesis and used in the Calvin cycle quizlet?
- 7 Why does light reactions precede dark reaction during photosynthesis?
- 8 Can the light-independent reaction happen without the light-dependent reaction?
- 9 What is produced as a result of the light reactions which is used to power the Calvin cycle?
- 10 Why is the light independent reaction important to most ecosystems?
- 11 What are the light independent products?
- 12 Which is true about light independent reaction?
- 13 Which best describes light-independent reactions?
- 14 What is the main purpose of the light-dependent reactions?
- 15 Where does the light dependent reaction of photosynthesis occur?
- 16 What is light reaction also called?
- 17 Where does light reaction occur?
- 18 How does light phase differ from Calvin cycle?
- 19 Do dark reactions occur in the light?
Why do dark reactions depend on light reactions?
Light Reactions: These reactions occur in the presence of sunlight and they are responsible for the generation of energy molecules such as ATP and NADPH. Dark Reactions: These reactions do not need sunlight and occur in its absence. Dark reactions use the energy molecules that were generated during the light reactions.
Why does Calvin cycle needs the product of light rays?
Because it is needed to convert oxygen into sugar. Explanation: Although the Calvin Cycle is not light-dependent directly it is light-Dependent indirectly because the required energy carriers are results of light-dependent processes.
How does the Calvin cycle light-independent reactions differ from the light-dependent reactions of photosynthesis quizlet?
The light-dependent reactions require light and water occur in the thylakoids and produce ATP and NADPH. The light-independent reactions require carbon dioxide occur in the stroma and produce high-energy sugars.
How do you define light-dependent reactions quizlet?
light dependent reactions. reactions of photosynthesis that use energy from light and water to produce ATP and oxygen that is released into the atmosphere.
What Does the light-independent reactions produce quizlet?
ATP and NADPH are produced in the light-dependent reactions and used in the light-independent reactions. … The L-D reactions require light energy and water and the L-IND reactions require ATP NADPH and CO2.
What is produced by the light-dependent reactions of photosynthesis and used in the Calvin cycle quizlet?
What is the purpose of each phase? -The purpose of the light-dependent reactions is to use water and light to produce ATP and NADPH or energy that the cell can use. -The Calvin Cycle uses the energy produced in ATP and NADPH to produce glucose.
Why does light reactions precede dark reaction during photosynthesis?
Light provides energy for the synthesis of glucose from carbon dioxide and water during photosynthesis. … Thus light reaction must precede dark reaction. During light reaction the chlorophyll entraps light and the solar energy is converted into chemical energy in the form of ATP molecules.
Can the light-independent reaction happen without the light-dependent reaction?
The process known as the Calvin cycle uses products of the light-dependent reactions (ATP and NADPH) and various enzymes. Therefore the light-independent reaction cannot happen without the light-dependent reaction.
What is produced as a result of the light reactions which is used to power the Calvin cycle?
ATP and NADPH are both products of the light reactions and are used to power the Calvin cycle.
Why is the light independent reaction important to most ecosystems?
The light-independent reactions of photosynthesis use the ATP and NADPH from the light-dependent reactions to fix CO2 into organic sugar molecules.
What are the light independent products?
Light reactions harness energy from the sun to produce chemical bonds ATP and NADPH. These energy-carrying molecules are made in the stroma where carbon fixation takes place.
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Which is true about light independent reaction?
Remember that light independent reaction does NOT require light and is sometimes referred to as the Calvin cycle or dark reactions. This process takes place in the stroma of the chloroplast. This process is also known as carbon fixation where CO2 is used with other molecules (ATP and NADPH) to create glucose.
Which best describes light-independent reactions?
Which best describes light-independent reactions? They are the first stage of photosynthesis. They utilize the energy stored in ATP and NADPH. They use carbon dioxide to synthesize proteins.
What is the main purpose of the light-dependent reactions?
The overall purpose of the light-dependent reactions is to convert light energy into chemical energy. This chemical energy will be used by the Calvin cycle to fuel the assembly of sugar molecules. The light-dependent reactions begin in a grouping of pigment molecules and proteins called a photosystem.
Where does the light dependent reaction of photosynthesis occur?
Light-dependent reactions happen in the thylakoid membrane of the chloroplasts and occur in the presence of sunlight. The sunlight is converted to chemical energy during these reactions. The chlorophyll in the plants absorb sunlight and transfers to the photosystem which are responsible for photosynthesis.
What is light reaction also called?
The light reactions also known as photolysis reactions convert energy from the sun into chemical energy in the form of NADPH and ATP. These reactions must take place in the light and in chloroplasts of plants.
Where does light reaction occur?
The light reaction takes place in the thylakoid discs. There water (H20) is oxidized and oxygen (O2) is released. The electrons freed up from water are transfered to ATP and NADPH. The dark reaction occurs outside of the thylakoids.
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How does light phase differ from Calvin cycle?
Light-dependent reactions which take place in the thylakoid membrane use light energy to make ATP and NADPH. The Calvin cycle which takes place in the stroma uses energy derived from these compounds to make GA3P from CO2.
Do dark reactions occur in the light?
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