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The splitting of water in stage 1.

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Myah Shakom

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Q: What does the hydrogen used in stage 2 of photosynthesis come from?
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What is the first phase of photosynthesis?

The first phase of photosynthesis is the light-dependent reactions, which occur in the thylakoid membranes of chloroplasts. In this phase, light energy is captured and used to split water molecules into oxygen, protons, and electrons.


What is the main characteristics of the first stage of photosynthesis?

The main characteristic of the first stage of photosynthesis, called the light-dependent reactions, is that it takes place in the thylakoid membrane of the chloroplasts. During this stage, light energy is absorbed by chlorophyll and converted into chemical energy in the form of ATP and NADPH, which are used in the next stage of photosynthesis to produce glucose.


In photosynthesis the source of electrons is?

The source of electrons in photosynthesis is water. Water molecules are split during the light-dependent reactions of photosynthesis, releasing oxygen and electrons that are used to drive the production of ATP and NADPH.


Where do the hydrogen atoms in glucose come from?

The hydrogen atoms in glucose come from water molecules during photosynthesis. During this process, plants take in carbon dioxide and water, and through a series of reactions, convert them into glucose and oxygen. The hydrogen atoms from water molecules are incorporated into the glucose molecule.


What products of the light reaction are used in the light independent stage of photosynthesis?

NADPH and ATP


What gas is required to start stage 3 of photosynthesis?

Oxygen is used where as in photo-respiration Carbon dioxide is used. Oxygen used in photosynthesis comes out as carbon dioxide as a bi-product.


How energy and hydrogen sequestered in the light reactions of photosynthesis are used to drive the dark reactions of photosynthesis?

You should ask Mr. Newberry. Hahaha


What part of the water molecule is used during photosynthesis?

The hydrogen atoms in the water molecule are used during photosynthesis. Water molecules are split into oxygen, protons, and electrons during the light-dependent reactions in photosynthesis.


What is it called when light energy from the sun is captured and used to split water into hydrogen and oxygen?

Photosynthesis.


What are the 2 main reactions in photosynthesis?

The two main reactions in photosynthesis are the light-dependent reactions and the light-independent reactions (Calvin cycle). In the light-dependent reactions, light energy is used to convert water into ATP and NADPH. In the light-independent reactions, ATP and NADPH are used to convert carbon dioxide into glucose.


Where does the hydrogen in glucose ultimately come from?

The hydrogen in glucose ultimately comes from water molecules during the process of photosynthesis, where plants convert sunlight into energy and produce glucose as a byproduct. Water is split into oxygen and hydrogen during this process, and the hydrogen is incorporated into the glucose molecules.


Where does the water go from photosynthesis?

The water used in photosynthesis is split into oxygen and hydrogen ions. The oxygen is released into the atmosphere, while the hydrogen ions are used to produce energy in the form of ATP and NADPH that the plant can use to make glucose.