Table of Contents
- 1 What converted light energy into ATP and NADPH?
- 2 How energy is absorbed from the sun and ultimately is converted to ATP?
- 3 Where is the light energy converted into an electron flow?
- 4 How is light energy converted into chemical energy in the light-dependent stage?
- 5 How do ATP and NADPH connect light-dependent and light independent reactions in photosynthesis?
- 6 How ATP and NADPH are formed during photosynthesis?
- 7 Where does the process of photosynthesis take place?
- 8 What kind of energy does the chlorophyll absorb?
What converted light energy into ATP and NADPH?
The light-dependent reactions
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.
How energy is absorbed from the sun and ultimately is converted to ATP?
During the process of photosynthesis, light penetrates the cell and passes into the chloroplast. The light energy is intercepted by chlorophyll molecules on the granal stacks. Some of the light energy is converted to chemical energy. During this process, a phosphate is added to a molecule to cause the formation of ATP.
What changes sunlight into ATP and NADPH?
Light Reactions: Light-dependent reactions harness energy from the sun to produce chemical bonds, ATP, and NADPH. These energy-carrying molecules are made in the stroma where the Calvin cycle takes place.
What stage of photosynthesis is light energy stored as ATP and NADPH?
the light reactions
Stage I is called the light reactions. This stage uses water and changes light energy from the sun into chemical energy stored in ATP and NADPH (another energy-carrying molecule). This stage also releases oxygen as a waste product. Stage II is called the Calvin cycle.
Where is the light energy converted into an electron flow?
the reaction center is where light energy is converted into electron transport.
How is light energy converted into chemical energy in the light-dependent stage?
In light-dependent reactions, the energy from sunlight is absorbed by chlorophyll and converted into chemical energy in the form of electron carrier molecules like ATP and NADPH. Light energy is harnessed in Photosystems I and II, both of which are present in the thylakoid membranes of chloroplasts.
In which of the following process the light energy is converted into chemical energy?
photosynthesis
photosynthesis, the process by which green plants and certain other organisms transform light energy into chemical energy. During photosynthesis in green plants, light energy is captured and used to convert water, carbon dioxide, and minerals into oxygen and energy-rich organic compounds.
Which process is mostly driven by light energy?
Photosynthesis
Photosynthesis is the process in which light energy is converted to chemical energy in the form of sugars. In a process driven by light energy, glucose molecules (or other sugars) are constructed from water and carbon dioxide, and oxygen is released as a byproduct.
How do ATP and NADPH connect light-dependent and light independent reactions in photosynthesis?
How do ATP and NADPH connect light-dependent and light-independent reactions in photosynthesis? 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.
How ATP and NADPH are formed during photosynthesis?
This is accomplished by the use of two different photosystems in the light reactions of photosynthesis, one to generate ATP and the other to generate NADPH. Electrons are transferred sequentially between the two photosystems, with photosystem I acting to generate NADPH and photosystem II acting to generate ATP.
During what stage of photosynthesis are ATP and NADPH converted to ADP and NADP+?
The Calvin cycle
The Calvin cycle takes place in the stroma and uses the ATP and NADPH from the light-dependent reactions to fix carbon dioxide, producing three-carbon sugars—glyceraldehyde-3-phosphate, or G3P, molecules. The Calvin cycle converts ATP to ADP and Pi, and it converts NADPH to NADP+.
How is light energy converted into chemical energy in the light dependent stage?
Where does the process of photosynthesis take place?
While there are many steps behind the process of photosynthesis, it can be broken down into two major stages: light-dependent reactions and light-independent reactions. The light-dependent reaction takes place within the thylakoid membrane and requires a steady stream of sunlight, hence the name light- dependent reaction.
What kind of energy does the chlorophyll absorb?
The chlorophyll absorbs energy from the light waves, which is converted into chemical energy in the form of the molecules ATP and NADPH.
What kind of energy is used in photosynthesis?
During this stage, energy from the ATP and NADPH molecules is used to assemble carbohydrate molecules, like glucose, from carbon dioxide. Not all forms of photosynthesis are created equal, however. There are different types of photosynthesis, including C3 photosynthesis and C4 photosynthesis. C3 photosynthesis is used by the majority of plants.
Where does the light independent reaction take place?
The light-independent stage, also known as the Calvin Cycle, takes place in the stroma, the space between the thylakoid membranes and the chloroplast membranes, and does not require light, hence the name light- independent reaction.