Where are the photosystems and electron transport chains located?

The photosystems and electron transport chain components are embedded in the thylakoid membrane. When light is absorbed by one of the pigments in photosystem II, energy is passed inward from pigment to pigment until it reaches the reaction center.

1. Where are photosystems located?
2. What are the photosystems and the electron transport systems?
3. What is the electron transport chain in photosystem I?
4. Where does the electron transport chain take place in plants?
5. Where is the electron transport chain of cellular respiration located?
6. Where are the photosystems located quizlet?
7. Where is the photosynthetic electron transport chain located in plant cells?
8. Where is chlorophyll found?
9. Where do electrons end up in photosynthesis?
10. Where do photosystem 1 electrons come from?
11. Where do photosystem II electrons come from?
12. Where do the electrons entering photosystem II come from?
13. What are three locations where electron transport chains be found?
14. What are the three locations of electron transport chains in cells?
15. Where are the electron transport chains of cellular respiration located quizlet?
16. Where do the protons in the electron transport chain come from?
17. Where does cellular respiration occur in a cell?

Where are photosystems located?

Photosystems are found in the thylakoid membranes of plants, algae, and cyanobacteria. These membranes are located inside the chloroplasts of plants and algae, and in the cytoplasmic membrane of photosynthetic bacteria. There are two kinds of photosystems: PSI and PSII.

What are the photosystems and the electron transport systems?

In the photosystem II (PSII) reaction center, energy from sunlight is used to extract electrons from water. The electrons travel through the chloroplast electron transport chain to photosystem I (PSI), which reduces NADP⁺ to NADPH. The electron transport chain moves protons across the thylakoid membrane into the lumen.

What is the electron transport chain in photosystem I?

The electrons travel through the chloroplast electron transport chain to photosystem I (PSI), which reduces NADP+ to NADPH. The electron transport chain moves protons across the thylakoid membrane into the lumen.

Where does the electron transport chain take place in plants?

The Electron Transport Chain

Inside the mitochondria of animal or plant cells, a series of chemical reactions produce ATP.

Where is the electron transport chain of cellular respiration located?

The electron transport chain is the last stage of the respiration pathway. It is the stage that produces the most ATP molecules. The electron transport chain is a collection of carrier proteins found on the inner membrane of mitochondria.

Where are the photosystems located quizlet?

photosystems 1 and 2 are both located in the thylakoid membrane.

Where is the photosynthetic electron transport chain located in plant cells?

In plants, the so-called "light" reactions occur within the chloroplast thylakoids, where the aforementioned chlorophyll pigments reside. When light energy reaches the pigment molecules, it energizes the electrons within them, and these electrons are shunted to an electron transport chain in the thylakoid membrane.

Where is chlorophyll found?

There are many different types of pigments in nature, but chlorophyll is unique in its ability to enable plants to absorb the energy they need to build tissues. Chlorophyll is located in a plant's chloroplasts, which are tiny structures in a plant's cells. This is where photosynthesis takes place.

Where do electrons end up in photosynthesis?

The electrons must travel through special proteins stuck in the thylakoid membrane. They go through the first special protein (the photosystem II protein) and down the electron transport chain. Then they pass through a second special protein (photosystem I protein).

Where do photosystem 1 electrons come from?

Photosystem I receives electrons from plastocyanin or cytochrome c₆ on the lumenal side of the thylakoid membrane and uses light energy to transfer them across the membrane to ferredoxin on the stromal side. It can also function in a cyclic electron transport pathway.

Where do photosystem II electrons come from?

The light excites an electron from the chlorophyll a pair, which passes to the primary electron acceptor. The excited electron must then be replaced. In (a) photosystem II, the electron comes from the splitting of water, which releases oxygen as a waste product.

Where do the electrons entering photosystem II come from?

Photosystem II obtains replacement electrons from water molecules, resulting in their split into hydrogen ions (H+) and oxygen atoms. The oxygen atoms combine to form molecular oxygen (O₂), which is released into the atmosphere. The hydrogen ions are released into the lumen.

What are three locations where electron transport chains be found?

There are five main protein complexes in the ETC, located in the inner membrane of the mitochondria. These are labelled Complexes I, II, III, IV and V. The two electron carriers, NADH and FADH₂, begin the chain by donating their electrons to Complex I and Complex II respectively.

What are the three locations of electron transport chains in cells?

In Eukaryotes it occurs in inner membrane of mitochondria while in prokaryotes it occurs in cell plasma membrane.

Where are the electron transport chains of cellular respiration located quizlet?

where is the electron transport chain in cellular respiration located? The elctron transport chain takes place in and across the inner membrane of the mitochondrion.

Where do the protons in the electron transport chain come from?

In the process, protons are pumped from the mitochondrial matrix to the intermembrane space, and oxygen is reduced to form water. The electron transport chain (Figure 1) is the last component of aerobic respiration and is the only part of glucose metabolism that uses atmospheric oxygen.

Where does cellular respiration occur in a cell?

While most aerobic respiration (with oxygen) takes place in the cell's mitochondria, and anaerobic respiration (without oxygen) takes place within the cell's cytoplasm.