Asked by: Fred Chura
science chemistry

What are the two stages of photosynthesis called?

Last Updated: 4th February, 2020

The two stages of photosynthesis: Photosynthesis takes place in two stages: light-dependent reactions and the Calvin cycle (light-independent reactions). Light-dependent reactions, which take place in the thylakoid membrane, use light energy to make ATP and NADPH.

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Herein, what are the 2 types of photosynthesis?

There are two types of photosynthetic processes: oxygenic photosynthesis and anoxygenic photosynthesis. The general principles of anoxygenic and oxygenic photosynthesis are very similar, but oxygenic photosynthesis is the most common and is seen in plants, algae and cyanobacteria.

Likewise, what is the first stage of photosynthesis called? During the first stage of photosynthesis, called the light-dependent reaction, sunlight excites the electrons in the chlorophyll pigment. The organism uses this energy to create the energy carrier molecules ATP and NADPH, which are crucial for carbon fixing during the second stage.

Also question is, what happens in stage 2 of photosynthesis?

Stage two: carbon fixation This stage also requires energy, which is supplied by the ATP made by the light reactions. The ATP is broken down to release energy which is used to combine hydrogen (from the light reactions) with carbon dioxide to produce sugar.

What are the stages of photosynthesis in order?

It is convenient to divide the photosynthetic process in plants into four stages, each occurring in a defined area of the chloroplast: (1) absorption of light, (2) electron transport leading to the reduction of NADP+ to NADPH, (3) generation of ATP, and (4) conversion of CO2 into carbohydrates (carbon fixation).

Related Question Answers

Anabel Pereles


How long is photosynthesis?

How Long Does Photosynthesis Take? Plant cells perform the light and dark reactions of photosynthesis, including the synthesis of the sugar, glucose, in as little as 30 seconds.

Simon Sporlein


What is a stack of thylakoids called?

A granum (plural grana) is a stack of thylakoid discs. Chloroplasts can have from 10 to 100 grana. Grana are connected by stroma thylakoids, also called intergranal thylakoids or lamellae.

Oumnia Tabouret


Why is photosynthesis so important?

Green plants and trees use photosynthesis to make food from sunlight, carbon dioxide and water in the atmosphere: It is their primary source of energy. The importance of photosynthesis in our life is the oxygen it produces. Without photosynthesis there would be little to no oxygen on the planet.

Minervino Evangelisti


What is photosynthesis in short answer?

Photosynthesis is the process by which plants and other things make food. It is an endothermic (takes in heat) chemical process that uses sunlight to turn carbon dioxide into sugars that the cell can use as energy. As well as plants, many kinds of algae, protists and bacteria use it to get food.

AtsegiƱe Avedillo


What is photosynthesis formula?

The photosynthesis equation is as follows: 6CO2 + 6H20 + (energy) → C6H12O6 + 6O2 Carbon dioxide + water + energy from light produces glucose and oxygen.

Hortensio Gez


What is photosynthesis in biology?

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.

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How does photosynthesis happen?

Photosynthesis happens when water is absorbed by the roots of green plants and is carried to the leaves by the xylem, and carbon dioxide is obtained from air that enters the leaves through the stomata and diffuses to the cells containing chlorophyll.

Huizhen Estrugo


Where does the first step 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.

Stiven Yuiop


Where are photosystem 1 and 2 found?

Photosystems are found in the thylakoid membranes of plants, algae and cyanobacteria. They are located in the chloroplasts of plants and algae, and in the cytoplasmic membrane of photosynthetic bacteria. There are two kinds of photosystems: II and I.

Pauna Teira


What happens during 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 energy-storage molecules ATP and NADPH. During the second stage, the light-independent reactions use these products to capture and reduce carbon dioxide.

Sammy Barbeito


Kristeen Iradier


What are the two stages of photosynthesis and the starting molecules?

Light reactions= H2O as starting molecules, and O2 as products. Calvin Cycle= CO2 as starting molecules, and CH2O as products.

Theodoros Murta


What happens in the dark stage of photosynthesis?

In this cycle ATP and NADPH, produced in the light stage, provide the energy and electrons to change carbon dioxide (CO2) to carbohydrates (C H O) molecules. The dark stage functions if ATP, NADPH and carbon dioxide are present.

Ambrocio Unterlohner


Where does photosynthesis occur?

Photosynthesis takes place inside plant cells in small things called chloroplasts. Chloroplasts (mostly found in the mesophyll layer) contain a green substance called chlorophyll. Below are the other parts of the cell that work with the chloroplast to make photosynthesis happen.

Lingyu Kalc


What plant pigments are involved in photosynthesis?

Chlorophylla-a is the primary pigment for photosynthesis in plants, but the range of light absorption is extended by chlorophyll-b, beta-carotene and other accessory pigments.

Ferney Amari


What are the products of photosynthesis?

The reactants for photosynthesis are light energy, water, carbon dioxide and chlorophyll, while the products are glucose (sugar), oxygen and water.

Cherri Sassenroth


Where is water split in photosynthesis?

The enzyme complex that catalyzes the water-splitting reaction (known as the oxygen-evolving complex) contains manganese and calcium, and is located in photosystems embedded in thylakoid membranes within the chloroplast.

Teodor Kirchrath


Where does Dark reaction take place?

The "light-independent" or dark reactions happen in the stroma of the chloroplasts. This is also known as the Calvin Cycle. Since these processes can only happen in the chloroplast (a chlorophyll filled plastid in green plants), photosynthesis can only happen in green plants!