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What is the relationship between the light and dark reactions in photosynthesis?
The light reactions in photosynthesis capture sunlight to produce energy in the form of ATP and NADPH, which are then used in the dark reactions to convert carbon dioxide into glucose. In other words, the light reactions provide the energy needed for the dark reactions to occur and produce sugar.
Which of the following statements about the light reactions of photosynthesis are true?
The light reactions occur in the thylakoid membrane of the chloroplast. The primary goal of the light reactions is to convert light energy into chemical energy in the form of ATP and NADPH. Water is split during the light reactions to provide electrons for the photosystems. The light reactions produce oxygen as a byproduct.
What light-independent reactions do plants produce?
The light-independent reactions occur in the storm of the chloroplast. The light- independent reactions are "independent" from light so they can happen else where. The light-dependent reactions happen in the thylakoid membrane of the chloroplast where the light is absorbed, and the reactions depend on the light.
How do the light reactions and dark reactions work together?
The light reactions provide energy carriers for the dark reactions.
The two major sets of reactions involved in photosynthesis are?
The two major sets of reactions involved in photosynthesis are the light-dependent reactions and the light-independent reactions (Calvin cycle). In the light-dependent reactions, light energy is used to produce ATP and NADPH, while in the Calvin cycle, ATP and NADPH are used to convert carbon dioxide into glucose.
What are two phrases in photosynthesis?
There are two steps. Light dependent and light independant reactions
What is produced during dark reactions?
During dark reactions (Calvin cycle), plants produce glucose by incorporating carbon dioxide into organic molecules using ATP and NADPH generated in the light reactions. These reactions occur in the stroma of chloroplasts and do not require light to proceed.
What reactions produce light and heat?
Burning.
Second step in photosynthesis?
The second step in photosynthesis is the light-dependent reactions, which take place in the thylakoid membranes of the chloroplasts. During this step, light energy is absorbed by chlorophyll and water molecules are split, releasing oxygen as a byproduct. This process generates ATP and NADPH, which are used in the Calvin cycle to produce glucose.
What the product of the light-dependent reactions?
Light-dependent reactions produce ATP, NADPH, and oxygen gas.
Does both light reactions and the Calvin cycle produce three-carbon sugars?
No, the light reactions produce high-energy molecules (ATP and NADPH) while the Calvin cycle, which is part of the light-independent reactions, uses these molecules to produce three-carbon sugars through carbon fixation.
Do most of the chemical reactions that give off light also produce heat?
Yes, most chemical reactions that give off light also produce heat. This phenomenon is known as chemiluminescence, where the energy released during the reaction is emitted as both light and heat. However, not all reactions that produce light necessarily produce heat, as some reactions can be endothermic and absorb heat instead.
What processes in photosynthesis produce oxygen?
Light reactions :)
What do light independent reactions do?
they produce simple sugars
What is the relationship between the light and dark reactions in photosynthesis?
The light reactions in photosynthesis capture sunlight to produce energy in the form of ATP and NADPH, which are then used in the dark reactions to convert carbon dioxide into glucose. In other words, the light reactions provide the energy needed for the dark reactions to occur and produce sugar.
What are light independent and dependent reactions?
Light dependent reactions are reactions the capture light energy and convert it into chemical energy(ATP). It occur in the chloroplast of plant cells Light independent reactions are reactions capture energy and use it to produce food . It does not need sunlight
Why are light dependent reactions important to the light independent reaction?
Light-dependent reactions produce ATP and NADPH, which are used as energy sources for the light-independent reactions. These reactions also produce oxygen as a byproduct, which is essential for cellular respiration. Light-independent reactions use the ATP and NADPH produced in the light-dependent reactions to convert carbon dioxide into organic molecules, such as sugars.
