Difference Between Photosystem 1 and Photosystem 2

The two main multi-subunit membrane protein complexes differ in their absorbing wavelength, where the photosystem I or PS 1 absorbs the longer wavelength of light which is 700 nm while photosystem II or PS 2 absorbs the shorter wavelength of light 680 nm.

1. What is the difference between ps1 and ps2?
2. What is the difference between photosystem I and photosystem II quizlet?
3. What is the functional difference between these two photosystems?
4. What is PSI and PSII?
5. What is the main role of photosystem 2?
6. What is the main role of photosystem I?
7. What is the end product of photosystem I?
8. What do photosystems I and II have in common?
9. Does photosystem produce ATP?
10. Why are the photosystem named I and II?
11. What are the two types of photosystem?
12. What is the concept of two photosystem?

What is the difference between ps1 and ps2?

Photosystem I (PS I) and photosystem II (PS II) are two multi-subunit membrane-protein complexes involved in oxygenic photosynthesis. ... The main difference between photosystem 1 and 2 is that PS I absorbs longer wavelengths of light (>680 nm) whereas PS II absorbs shorter wavelengths of light (<680 nm).

What is the difference between photosystem I and photosystem II quizlet?

What is the difference between Photosystem II and Photosystem I? Photosystems II and I have different chlorophylls. PS II has P680 and PS I has P700. Photosystem II comes before Photosystem I.

What is the functional difference between these two photosystems?

What is the functional difference between these two photosystems? Photosystem I absorbs light in wavelengths shorter than 700mn. Photosystem II absorb wavelengths of light shorter than 680nm. Photosystem I uses energy from light to reduce NADP+ to NADPH+H+.

What is PSI and PSII?

Photosystem I (PSI) and Photosystem II (PSII) harvest light energy to drive photosynthesis. ... PSI coordinates several Chls that absorb light at wavelengths longer than 700 nm, while PSII is enriched in Chl b and therefore shows stronger absorption around 475 nm and 650 nm [1].

What is the main role of photosystem 2?

Photosystem II is the first link in the chain of photosynthesis. It captures photons and uses the energy to extract electrons from water molecules. ... First, when the electrons are removed, the water molecule is broken into oxygen gas, which bubbles away, and hydrogen ions, which are used to power ATP synthesis.

What is the main role of photosystem I?

Photosystem I is an integral membrane protein complex that uses light energy to catalyze the transfer of electrons across the thylakoid membrane from plastocyanin to ferredoxin. Ultimately, the electrons that are transferred by Photosystem I are used to produce the high energy carrier NADPH.

What is the end product of photosystem I?

ATP is the product of photosystem I.

What do photosystems I and II have in common?

Both photosystems contain many pigments that help collect light energy, as well as a special pair of chlorophyll molecules found at the core (reaction center) of the photosystem. The special pair of photosystem I is called P700, while the special pair of photosystem II is called P680.

Does photosystem produce ATP?

This is accomplished by the use of two different photosystems in the light reactions of photosynthesis, one to generate ATP and the other to generate NADPH. Electrons are transferred sequentially between the two photosystems, with photosystem I acting to generate NADPH and photosystem II acting to generate ATP.

Why are the photosystem named I and II?

Answer 1: Photosystems I and II are named such because Photosystem I was actually discovered (and named) before Photosystem II, even though Photosystem II comes before Photosystem I during photosynthesis (i.e., Photosystem II precedes Photosystem I in the electron flow of photophosphorylation).

What are the two types of photosystem?

There are two kinds of photosystems: photosystem I (PSI) and photosystem II (PSII) (Fig. 3.3). PSII acts first during the light transformation process in photosynthesis, but it was named PSII because it was discovered second.

What is the concept of two photosystem?

Each photosystem consists of a light-harvesting complex and a core complex. ... Each core complex contains a reaction centre with the pigment (either P₇₀₀ or P₆₈₀) that can be photochemically oxidized, together with electron acceptors and electron donors.