Which process also occurs when only light of wavelength beyond 680 nm are available for excitation?

Which process also occurs when only light of wavelength beyond 680 nm are available for excitation?

The cyclic phosphorylation also occurs when light of wavelength beyond 680 nm are available for excitation.

Does cyclic photophosphorylation occur in grana lamellae?

Complete answer: The cyclic photophosphorylation usually occurs in the stroma lamellae membrane of the leaves. The membrane or lamella of the grana have both PS I and PS II, the stroma lamellae membranes lack PS II as well as NADP reductase enzyme.

At which wavelength does cyclic phosphorylation occur?

It takes place under the condition of low light intensity and light of wavelength lower than 680 nm and when CO2 fixation is inhibited. Plants are capable of producing energy by utilizing photons from sunlight through photophosphorylation.

Under what conditions cyclic photophosphorylation occurs in grana?

Cyclic Photophosphorylation

• The light reaction which takes place in the grana of the chloroplast where light energy gets converted to chemical energy as ATP and NADPH.
• While in the dark reaction, the energy produced previously in the light reaction is utilized to fix carbon dioxide to carbohydrates.

What is cyclic phosphorylation?

Cyclic photophosphorylation can be defined as the synthesis of ATP coupled to electron transport activated by Photosystem I solely, and can therefore proceed in long-wave-length light (03BB 2265 700 nm). ATP formation is coupled to this electron transport.

Where does cyclic Photophosphorylation occur?

stroma lamella
Cyclic photophosphorylation This form of photophosphorylation occurs on the stroma lamella, or fret channels. In cyclic photophosphorylation, the high-energy electron released from P700, a pigment in a complex called Photosystem I, flows in a cyclic pathway.

Where does cyclic phosphorylation occur?

Cyclic photophosphorylation takes place in chloroplasts in the leaves. It takes place in the stroma lamellae membrane or fret channels of chloroplasts. The process of cyclic photophosphorylation involves only photosystem I.

Where does the oxidative phosphorylation occur?

the mitochondria
Oxidative phosphorylation occurs in the mitochondria of all animal and plant tissues, and is a coupled process between the oxidation of substrates and production of ATP. As the Kreb’s cycle runs, hydrogen ions (or electrons) are carried by the two carrier molecules NAD or FAD to the electron transport pumps.

Which of the following does not occur in cyclic electron transport and phosphorylation?

NADPH formation does not take place in cyclic photophosphorylation.

Where does phosphorylation occur?

mitochondria
Substrate-level phosphorylation occurs in the cytoplasm of cells (glycolysis) and in the mitochondria (Krebs cycle). It can occur under both aerobic and anaerobic conditions and provides a quicker, but less efficient source of ATP compared to oxidative phosphorylation.

What is cyclic and non-cyclic photo phosphorylation?

Cyclic photophosphorylation happens only in the photosystem I but non-cyclic photophosphorylation occurs in both the photosystems I and II. In the cyclic photophosphorylation, only ATP is produced, whereas, in the non-cyclic photophosphorylation both NADPH and ATP are produced.

What is cyclic photo phosphorylation?

Cyclic Photophosphorylation is a process of photophosphorylation in which an electron expelled by the excited photocentre is returned back to it after passing through a series of electron carriers. Cyclic photophosphorylation occurs in both aerobic and anaerobic conditions.