What are the 2 stages of photosynthesis and where do they occur?
Photosynthesis takes place in two stages: light-dependent reactions and the 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.
What are the 2 stages of photosynthesis Class 10?
Photosynthesis takes place in two stages, namely light-dependent reactions and light-independent reactions. Light-dependent reactions are also called light reactions and occur during the day time. Light-independent reaction is also called the dark reaction or the Calvin cycle.
What are the stages of photosynthesis in order?
Photosynthesis takes place in two sequential stages:
- The light-dependent reactions;
- The light-independent reactions, or Calvin Cycle.
Jan 3, 2021
What are the two stages of photosynthesis quizlet?
What are the two stages of photosynthesis? 1=light reactions/light dependent reactions. 2=the calvin cycle/light independent reactions.
What happens during Stage 1 of photosynthesis?
Photosynthesis occurs in two stages. During the first stage, the energy from sunlight is absorbed by the chloroplast. Water is used, and oxygen is produced during this part of the process. During the second stage, carbon dioxide is used, and glucose is produced.
What is the difference between stage 1 and stage 2 of photosynthesis?
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.
What is Stage 2 of photosynthesis called?
Carbon atoms end up in you, and in other life forms, thanks to the second stage of photosynthesis, known as the Calvin cycle (or the light-independent reactions).
Why does photosynthesis have two stages?
Photosynthesis represents the biological process by which plants convert light energy into sugar to fuel plant cells. Comprised of two stages, one stage converts the light energy into sugar, and then cellular respiration converts the sugar to Adenosine triphosphate, known as ATP, the fuel for all cellular life.
What are the stages of photosynthesis quizlet?
Terms in this set (3)
- stage one. sunlight absorbed by pigments. light dependent. water is split. …
- stage two. light dependent. ATP created… used to fuel third stage. …
- stage three. dark reaction (light independent) also known as the "calvin cycle" glucose created (a product of photosynthesis)
What are the three stages of photosynthesis?
The three events that occur during the process of photosynthesis are: (i) Absorption of light energy by chlorophyll. (ii) Conversion of light energy to chemical energy and splitting of water molecules into hydrogen and oxygen. (iii) Reduction of carbon dioxide to carbohydrates.
What are stage I and stage II of photosynthesis?
Stages of Photosynthesis 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.
What is Stage 1 of photosynthesis called?
Photosynthesis Stage I: The Light Reactions. The first stage of photosynthesis is called the light reactions. During this stage, light is absorbed and transformed to chemical energy in the bonds of NADPH and ATP.
What are the 2 stages of photosynthesis quizlet?
What are the two stages of photosynthesis? 1=light reactions/light dependent reactions. 2=the calvin cycle/light independent reactions.
What are the two main stages of photosynthesis quizlet?
The two stages of photosynthesis are light reactions and the Calvin Cycle. Light reactions occur within the thylakoids and the Calvin Cycle takes place in the stroma. The light reactions create ATP and NADPH, which are used by the Calvin Cycle which also brings in carbon to produce sugar.
What is the first stage in photosynthesis?
Light Reactions Photosynthesis is a two stage process. The first process is the Light Dependent Process (Light Reactions), requires the direct energy of light to make energy carrier molecules that are used in the second process.
Where does stage 1 of photosynthesis occur?
The first step of photosynthesis occurs in the chloroplasts of plant cells. Light photons are absorbed by a pigment called chlorophyll, which is abundant in the thylakoid membrane of each chloroplast.
What are three stages of photosynthesis?
Readers ask: What are the three stages in photosynthesis?
| Stage | Location | Events |
|---|---|---|
| Light-dependent reactions | Thylakoid membrane | Light energy is captured by chloroplasts and stored as ATP |
| Calvin cycle | Stroma | ATP is used to create sugars that the plant will use to grow and live |
Jul 4, 2022
What is the first step of photosynthesis quizlet?
The first stage of photosynthesis is called the light reactions. During this stage, light is absorbed and transformed to chemical energy in the bonds of NADPH and ATP.
What happens in the second stage of photosynthesis?
The second stage of photosynthesis is the production of glucose from carbon dioxide. This process occurs in a continuous cycle, named after its discoverer, Melvin Calvin. The Calvin cycle uses CO2 and the energy temporarily stored in ATP and NADPH to make the sugar glucose.
What are the 2 types of photosystem differentiate the two?
The key difference between both the photosystems – Photosystem I and photosystem II is that PS I tends to absorb light of longer wavelengths > 680nm, whereas PS II absorbs light of shorter wavelengths <680 nm.
What is the first stage of photosynthesis?
Photosynthesis occurs in two stages. In the first stage, light-dependent reactions or light reactions capture the energy of light and use it to make the hydrogen carrier NADPH and the energy-storage molecule ATP.
What is the 1st stage of photosynthesis?
Photosynthesis occurs in two stages. In the first stage, light-dependent reactions or light reactions capture the energy of light and use it to make the hydrogen carrier NADPH and the energy-storage molecule ATP.
What is ps1 and PS2 in photosynthesis?
The two photosystems are Photosystem I and Photosystem II. Both these photosystems PS I and PS II are multi-subunit membrane-protein complexes participating in oxygenic photosynthesis. The pigment that is mainly involved in trapping light energy is chlorophyll. Thus, it is called a pigment system or photosystem.
What are photosystem 1 and photosystem second?
PS I and PS II are the two photosystems which drive the light reaction of photosynthesis. The first stage of the light reaction occurs in PS II whereas the final stage of the light reaction occurs in PS I. Each of the two photosystems are made up of a collection of proteins and pigments.
What is the third stage of photosynthesis?
Stage 3: Storing Radiant Energy The last stage of the photosynthesis process is known as the Calvin-Benson cycle, in which the plant uses atmospheric carbon dioxide and water from soil to convert ATP and NADPH. The chemical reactions that make up the Calvin-Benson cycle occur in the stroma of the chloroplast.
What is difference between photosystem 1 and photosystem 2?
The key difference between both the photosystems – Photosystem I and photosystem II is that PS I tends to absorb light of longer wavelengths > 680nm, whereas PS II absorbs light of shorter wavelengths <680 nm.
What is the difference between photosystem 1 and 2 quizlet?
Photosystem 1 has p700 chlorophyll a as reaction center. Second choice is instead of passing electrons down ETC pass electron to ferodoxin and then to NADP reductase which reduces NADP to NADPH.
Where are ps1 and PS2 located?
Photosystem I (PS I) and II (PS II) are found in the thylakoid membranes inside the chloroplast. The photosystems are responsible for carrying out photochemical phase or light reaction of photosynthesis.
What are the photosystems I and II in photosynthesis?
Photosystem I and photosystem II are the two multi-protein complexes that contain the pigments necessary to harvest photons and use light energy to catalyse the primary photosynthetic endergonic reactions producing high energy compounds.
What is the difference between photosystem I and II and chlorophyll a and b?
Main Difference – Photosystem 1 vs 2 Chlorophyll is the pigment involved in capturing light energy. PS 1 contains chlorophyll B, chlorophyll A-670, Chlorophyll A-680, chlorophyll A-695, chlorophyll A-700 and carotenoids. Chlorophyll A-700 is the active reaction center of PS 1.