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2021-05-15

Which processes are carried out by plants?

Which processes are carried out by plants?

Plants are autotrophs, which means they produce their own food. They use the process of photosynthesis to transform water, sunlight, and carbon dioxide into oxygen, and simple sugars that the plant uses as fuel.

How do plants process light?

Plants use a process called photosynthesis to make food. During photosynthesis, plants trap light energy with their leaves. Plants use the energy of the sun to change water and carbon dioxide into a sugar called glucose. Starch is stored in seeds and other plant parts as a food source.

What are the processes involved in photosynthesis?

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.

How do plants carry out the process of photosynthesis?

Plants use their leaves to make food. During photosynthesis, plant leaves take in carbon dioxide from the atmosphere. Using the energy from sunlight, this is combined with water drawn up from the roots to make glucose. Oxygen is also produced in this chemical reaction and exits the leaves into the surrounding air.

How do plants produce ATP when the sun is not out?

At night, when there is no sunlight energy, ATP continues to be generated for the plant’s needs by respiration, i.e., oxidation of (photosynthetically produced) carbohydrate in mitochondria (similar to animals).

What is the first phase 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.

What is the second stage of photosynthesis called?

Calvin cycle

What happens in the light dependent stage of photosynthesis?

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. There, energy is transferred to P680, boosting an electron to a high energy level (forming P680*).

What is the light dependent reaction of photosynthesis called?

1) where the light energy is converted to chemical energy by chemiosmosis (def). The most common light-dependent reaction in photosynthesis is called noncyclic photophosphorylation. Noncyclic photophosphorylation involves both Photosystem I and Photosystem II and produces ATP and NADPH.

Which purpose is the main function of the light dependent reactions of photosynthesis?

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 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 are the three parts of the light-dependent reaction?

4 Cards in this Set

What are the three parts of the light-dependent reactions? Photosystem 2, Photosystem 1, and ATP Synthase
What are the functions of photosynthesis 1? to absorb and transfer energy when it goes into the electron transport chain. also to break down water as it goes across the thylakoid membrane.

Which outcome is the main function of photosynthesis?

It’s not oxygen production. The primary function of photosynthesis is to convert solar energy into chemical energy and then store that chemical energy for future use. For the most part, the planet’s living systems are powered by this process

What are 2 important jobs of photosynthesis?

Two important “jobs” of photosynthesis are generating oxygen for oxygen-breathing animals, and making all the world’s food. What gas does the child provide for the plant to use? The child provides Carbon dioxide for the plant to use.

Which gas do plants take in?

In order to carry on photosynthesis, green plants need a supply of carbon dioxide and a means of disposing of oxygen. In order to carry on cellular respiration, plant cells need oxygen and a means of disposing of carbon dioxide (just as animal cells do).