Question

Sequence in process of photosynthesis

Answer 1

LIGHT REACTION

During the light reaction, light energy is converted into chemical energy. Light powers the splitting of water molecules into hydrogen, oxygen and free electrons. The free electrons are used to charge energy carrier molecules such as adenosine triphosphate, also called ATP, and nicotinamide adenine dinucleotide phosphate, also called NADP. There are several molecular pathways by which light energy is converted into chemical energy, including cyclic photophosphorylation and non-cyclic photophosphorylation.

LIGHT INDEPENDENT REACTION

During the light independent reaction, products of the light reaction are used to form carbohydrates. Carbon dioxide from the atmosphere is captured and bonded with the hydrogen component of water molecules split during the light reaction, and a carbohydrate is formed by a process called the Calvin Cycle. This part of photosynthesis is also known as carbon fixation, an important factor in keeping atmospheric carbon dioxide levels steady.

GLUCOSE TRANSPORTATION AND STORAGEGlucose is water soluble and dissolves in the plant's internal fluids. Glucose is moved out of the leaves and distributed to the rest of the plant by diffusion in simple plants and through vascular tissues in more complex plants. Glucose can then be used immediately or stored. Plants retain some oxygen within their tissues for later use when metabolizing stored glucose by a chemical process similar to animal respiration. Plants must therefore photosynthesize more than they respire. Surplus oxygen is released the same way carbon dioxide is taken in, by simple diffusion or through the plant's stomatPhotosynthesis, the process by which an organism converts light energy and carbon dioxide into carbohydrates and oxygen, occurs in all green plants as well as some fungi and single-celled organisms. The majority of photosynthesis occurs in pigments called chlorophyll. Photosynthesis uses the energy from the sun, as well as carbon dioxide and water from the plant's environment, to produce glucose. Photosynthesis also produces oxygen as a byproduct. Nearly all atmospheric oxygen is the result of photosynthesis performed by phytoplankton in the ocean. Photosynthesis consists of two main stages: the light reaction and the light independent reaction.
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Answer 2

HEY MATE!!

■ Absorption of light energy by chlorophyll.

■ Conversion of light energy to chemical energy.

■ Splitting of water molecules.

■ Reduction of carbon dioxide to carbohydrates.

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