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Both photosystem 2 & 1 are light-dependent.

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15y ago

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Which produced using the energy from photons hitting photosystem 2?

ATP and NADPH are produced using the energy from photons hitting photosystem 2 during the light-dependent reactions of photosynthesis.


Which photosystem is used first in photosynthesis?

Photosystem 2 happens in photosynthesis before photosystem 1. However they are numbered in order of how they were discovered. Photosystem 1 was discovered before photosystem 2. In photosynthesis the order of them is 2 then 1. meaning that photosystem 1 was discovered 1st but photosystem 2 happens 1st in photosynthesis


Where does photosystem 2 and photosystem 1 occur?

Photosystem 2 is located in the thylakoid membrane of the chloroplasts, while Photosystem 1 is located downstream from Photosystem 2 in the thylakoid membrane. Both photosystems are important for light-dependent reactions during photosynthesis.


What is the first process in the light dependent reactions of photosynthesis?

Excitation of electrons in photosystem II.


What is true about light dependent reaction?

photosynthesis begins when pigments in photosystem i absorb light.


How do photosystem 1 and 2 allow the calvin cycle to work?

No. Photosystems I and II are where light-dependent reactions occur, while the Calvin Cycle is where light-independent reactions occur. Photosynthesis begins with Photosystem II, then Photosystem I, then the products from there go to the Calvin Cycle. (yes photosystem II comes before photosystem I)


What are the two molecular groups of photosynthesis?

The two molecular groups involved in photosynthesis are chlorophyll and carotenoids. Chlorophyll is responsible for capturing light energy and initiating the light-dependent reactions, while carotenoids help protect the plant from damage by dissipating excess light energy.


What is the difference between photosystem one and two?

Photosystem I absorbs light best at a wavelength of 700 nm, while Photosystem II absorbs light best at a wavelength of 680 nm. Photosystem I transfers electrons to reduce NADP+ to NADPH, while Photosystem II replenishes electrons lost in the process of photosynthesis. Both photosystems work together in the light-dependent reactions of photosynthesis to ultimately produce ATP and NADPH.


What are the products of photosystem 1 and photosystem 2?

With the light dependent reactions the outputs (products) are oxygen, ATP, and NADPH, which carries the electrons. The oxygen is taken out and put into the environment when the NADPH (which has electrons) continues with ATP to the Calvin Cycle. Depending on how you look at it I would say that the ATP and NADPH are the most important products from the cell internally. However, we need oxygen to breathe. All three are important.


WHAT HAPPENS IN THE PHOTOSYSTEM 2 protein when it is hit by a photon of light?

In photosystem II, the photon of light is absorbed by a pigment molecule, which causes an electron to become excited. This electron is then passed through a series of electron carrier molecules, creating a flow of electrons used to generate ATP and NADPH during the light-dependent reactions of photosynthesis.


An electron transport chain connects photosystem1 and photosystem2?

They return to Photosystem I


What is the role of the plastocyanin?

Plastocyanin is a copper-containing protein that plays a crucial role in photosynthesis by shuttling electrons between photosystem II and photosystem I in the thylakoid membrane of chloroplasts. It helps in the transfer of electrons during the light-dependent reactions of photosynthesis.