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In the light-independent reactions or Calvin cycle the energized electrons from the light-dependent reactions provide the energy to form carbohydrates from carbon dioxide molecules. … After the energy is transferred the energy carrier molecules return to the light-dependent reactions to obtain more energized electrons.
Contents
- 1 What occurs in the light-independent reactions quizlet?
- 2 Where do light-independent reactions occurs?
- 3 What provides electrons for the light reactions?
- 4 What is the main purpose of the light-dependent reactions?
- 5 What process occurs during the light-independent reactions of photosynthesis quizlet?
- 6 Which process occurs during the light-independent reactions of photosynthesis?
- 7 Which process occurs during the light dependent reaction of photosynthesis quizlet?
- 8 What is the light independent process?
- 9 What are light dependent and independent reactions?
- 10 What is an example of light-independent reactions?
- 11 What are the products of a light reaction?
- 12 What provides the energy source for the light-dependent reaction etc?
- 13 What are the end products of the light-dependent reactions?
- 14 What three things are produced by the light-dependent reaction?
- 15 What is the function of the light-dependent reactions quizlet?
- 16 What is the function of light in the light reaction quizlet?
- 17 What three reactions occur during the light reactions in photosynthesis quizlet?
- 18 When can the light-independent reactions occur?
- 19 How are the light-dependent and light-independent reactions of photosynthesis related quizlet?
- 20 What two reactants do light-independent reactions need?
- 21 Which best describes light-independent reactions?
- 22 Does light-independent reaction occur at night?
- 23 Why should the light-dependent reaction occur before the light-independent reaction?
- 24 Why is the light-independent reaction called the Calvin cycle?
- 25 How do light-independent reactions produce sugars?
- 26 What form of energy is used in light dependent reaction?
- 27 What are the products of the light-dependent reactions quizlet?
- 28 What is the primary product of light-independent reactions?
- 29 What is light reactions quizlet?
- 30 What are the reactants for the dark light independent reaction?
- 31 What are the inputs of the light dependent reactions?
What occurs in the light-independent reactions quizlet?
The light-independent reactions of photosynthesis are chemical reactions that convert carbon dioxide and other compounds into glucose. These reactions occur in the stroma the fluid-filled area of a chloroplast outside of the thylakoid membranes.
Where do light-independent reactions occurs?
The light-independent reactions represent the known Calvin–Benson–Bassham (CBB) cycle which takes place in the stroma of chloroplasts and is the primary pathway of carbon fixation of C3 plants [119]. The CBB cycle proceeds in three main stages: carboxylation reduction and regeneration.
What provides electrons for the light reactions?
Light reactions occur when plants synthesize food from carbon dioxide and water referring specifically to the part of energy production that requires light and water to generate electrons needed for further synthesis. Water provides the electrons by splitting into hydrogen and oxygen atoms.
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.
What process occurs during the light-independent reactions of photosynthesis quizlet?
Photosynthesis uses the energy of sunlight to convert water and carbon dioxide (reactants) into high-energy sugars and oxygen (products). … light-independent reactions in which ATP and NADPH from the light-dependent reactions are used to produce high-energy sugars.
Which process occurs during the light-independent reactions of photosynthesis?
In the light-independent reactions or Calvin cycle the energized electrons from the light-dependent reactions provide the energy to form carbohydrates from carbon dioxide molecules. … After the energy is transferred the energy carrier molecules return to the light-dependent reactions to obtain more energized electrons.
Which process occurs during the light dependent reaction of photosynthesis quizlet?
Which process occurs during the light-dependent reactions in photosynthesis? Water molecules are split. … ATP and NADPH are produced in the light-dependent reactions and used in the light-independent reactions.
What is the light independent process?
The light independent process (also called dark reactions or the Calvin-Benson cycle) takes place in the stroma of the chloroplast. Carbon dioxide is modified by series of chemical reactions to form carbohydrates. The energy for these reactions comes from ATP and NADPH generated during the light dependent process.
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What are light dependent and independent reactions?
In the light-dependent reactions energy from sunlight is absorbed by chlorophyll and that energy is converted into stored chemical energy. In the light-independent reactions the chemical energy harvested during the light-dependent reactions drives the assembly of sugar molecules from carbon dioxide.
What is an example of light-independent reactions?
Explanation: The light independent reactions are also called the Calvin cycle. This is the process in which carbon dioxide is used to produce glucose.
What are the products of a light reaction?
The products of the light-dependent reactions ATP and NADPH have lifespans in the range of millionths of seconds whereas the products of the light-independent reactions (carbohydrates and other forms of reduced carbon) can survive for hundreds of millions of years.
What provides the energy source for the light-dependent reaction etc?
In the light-dependent reactions which take place at the thylakoid membrane chlorophyll absorbs energy from sunlight and then converts it into chemical energy with the use of water.
What are the end products of the light-dependent reactions?
The products of the light-dependent reactions ATP and NADPH are both required for the endergonic light-independent reactions. The light-dependent reactions involve two photosystems called Photosystem I and Photosystem II.
What three things are produced by the light-dependent reaction?
What is produced in the light-dependent reactions? –Energy/NADPH and ATP are produced. What three things are needed for the Calvin Cycle to proceed? -ATP NADPH and carbon dioxide are needed for the Calvin Cycle.
What is the function of the light-dependent reactions quizlet?
The overall function of light-dependent reactions is to convert solar energy into chemical energy in the form of NADPH and ATP. This chemical energy supports the light-independent reactions and fuels the assembly of sugar molecules.
What is the function of light in the light reaction quizlet?
The light reaction uses light as the energy source to produce ATP NADPH. Water is used to provide electrons and is a oxygen waste. The ATP and NADPH from light reactions are used by the Calvin Cycle to incorporate CO2 into 3 carbon sugars.
What three reactions occur during the light reactions in photosynthesis quizlet?
Terms in this set (12)
- Absorption of light energy.
- Conversion of light energy into chemical energy.
- hStorage of chemical energy in the form of sugars.
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When can the light-independent reactions occur?
In fixation the first stage of the Calvin cycle light-independent reactions are initiated CO2 is fixed from an inorganic to an organic molecule. In the second stage ATP and NADPH are used to reduce 3-PGA into G3P then ATP and NADPH are converted to ADP and NADP+ respectively.
The light-dependent reactions of photosynthesis use water and produce oxygen. … The light-independent reactions release energy and the light-dependent reactions require energy. The light-dependent reactions pass electrons through an electron transport chain to the light-independent reactions.
What two reactants do light-independent reactions need?
This dependency comes from the required reactants ATP and NADPH which are quickly used up by the Calvin cycle reactions.
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.
Does light-independent reaction occur at night?
There are three phases to the light-independent reactions collectively called the Calvin cycle: carboxylation reduction reactions and ribulose 1 5-bisphosphate (RuBP) regeneration. Though it is called the “dark reaction” the Calvin cycle does not actually occur in the dark or during night time.
Why should the light-dependent reaction occur before the light-independent reaction?
In light – dependent photosynthesis the photosynthetic pigment absorbs the light energy and convert it into chemical energy ATP and NADPH2 . … So the light-dependent reaction should occur before the light-independent reaction.
Why is the light-independent reaction called the Calvin cycle?
Overview of the Calvin cycle
These reactions are also called the light-independent reactions because they are not directly driven by light. … Unlike the light reactions which take place in the thylakoid membrane the reactions of the Calvin cycle take place in the stroma (the inner space of chloroplasts).
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How do light-independent reactions produce sugars?
In photosynthesis a light-independent reaction takes place in plant chloroplasts. In this process sugars are made from carbon dioxide. The process known as the Calvin cycle uses products of the light-dependent reactions (ATP and NADPH) and various enzymes. … This takes place in the grana region of the chloroplast.
What form of energy is used in light dependent reaction?
The light-dependent reactions use light energy to make two molecules needed for the next stage of photosynthesis: the energy storage molecule ATP and the reduced electron carrier NADPH. In plants the light reactions take place in the thylakoid membranes of organelles called chloroplasts.
What are the products of the light-dependent reactions quizlet?
The light-dependent reactions produce oxygen gas and convert ADP and NADP+ into the carriers ATP and NADPH. ATP and NADPH provide the energy needed to build high-energy sugars from low-energy carbon dioxide.
What is the primary product of light-independent reactions?
The goal of the light-dependent reactions of photosynthesis is to collect energy from the sun and break down water molecules to produce ATP and NADPH.…
| Goal | Use stored chemical energy to “fix” CO2 and create a product that can be converted into glucose |
|---|---|
| Input | CO2 NADPH ATP |
What is light reactions quizlet?
light reactions. the initial reactions in photosynthesis which are triggered by the absorption of light by photosystems I and II and include the passage of electrons along the electron transport chains the. > makes NADPH oxygen gas and ATP. chloroplast.
What are the reactants for the dark light independent reaction?
In photosynthesis water carbon dioxide ATP and NADPH are reactants. RuBP and oxygen are products.
What are the inputs of the light dependent reactions?
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