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Is the light dependant reaction cyclic?
Yes, the light-dependent reaction of photosynthesis involves a cyclic flow of electrons between photosystem I and photosystem II. This cycle helps generate ATP and NADPH for the Calvin Cycle to produce glucose.
What are electron carriers used in photosynthesis?
Pigment I & II systems of cyclic and non-cyclic phosphorylation.
What features of the photosynthesis and cellular respiration biochemical pathways are reverse of one another and which parts are not?
Features that are reverse of one another: In photosynthesis, carbon dioxide is converted into glucose, while in cellular respiration, glucose is broken down to produce carbon dioxide. Photosynthesis produces oxygen as a byproduct, whereas cellular respiration consumes oxygen as a reactant. Features that are not reverse: Both pathways involve the use of electron transport chains to generate ATP. Both pathways occur in specialized organelles - photosynthesis occurs in the chloroplasts, while cellular respiration occurs in the mitochondria.
What is required to excite the electrons of the chlorophyll and start the cyclic and non-cyclic phosphorylation?
To excite the electrons of chlorophyll and initiate cyclic and non-cyclic photophosphorylation in photosynthesis, light energy is required. The energy from photons of light is absorbed by chlorophyll molecules in the thylakoid membranes of chloroplasts, leading to the excitation of electrons and the subsequent transfer of these electrons through the electron transport chain. This process generates ATP and NADPH, which are essential for the synthesis of carbohydrates during the light-dependent reactions of photosynthesis.
What are the differences between cyclic and noncyclic electron flow?
in non-cyclic the electrons do not return the source and the cyclic the electrons come back to the source. Mostly the non-cyclic process occurs to produce ATP AND NADH which will be used by the Calvin cycle to produce the carbohydrate but some times there occurs a cyclic process to produce ATP to cope up with Calvin cycle as it requires more ATP than the NADH In addition to the above, cyclic electron flow could operate independent of photosystem II. The production of oxygen and NADPH take place in non-cyclic electron flow and the system could switch to cyclic flow upon accumulation of oxygen and NADPH
Which pathways in photosynthesis will produce ATP but not NADPH?
non-cyclic electron pathways
Do the non-cyclic electron pathways produce carbohydrates through carbon dioxide fixation?
yes
What does non-cyclic photophosphorylation produce?
Non-cyclic photophosphorylation, which occurs in the light-dependent reactions of photosynthesis, produces ATP and NADPH. These molecules serve as energy carriers that are used in the Calvin cycle to produce sugars.
How is light reaction of photosynthesis started?
Absorbtion of light by photosystems in cyclic and non-cyclic photophosphorylation.
Is the light dependant reaction cyclic?
Yes, the light-dependent reaction of photosynthesis involves a cyclic flow of electrons between photosystem I and photosystem II. This cycle helps generate ATP and NADPH for the Calvin Cycle to produce glucose.
What different end products are produced in cyclic versus noncyclic photosynthesis?
In cyclic photosynthesis, the end product is ATP (adenosine triphosphate) only. In noncyclic photosynthesis, the end products are ATP, NADPH, and oxygen.
What features of the photosynthesis and cellular respiration biochemical pathways are reverse of one another and which parts are not?
Features that are reverse of one another: In photosynthesis, carbon dioxide is converted into glucose, while in cellular respiration, glucose is broken down to produce carbon dioxide. Photosynthesis produces oxygen as a byproduct, whereas cellular respiration consumes oxygen as a reactant. Features that are not reverse: Both pathways involve the use of electron transport chains to generate ATP. Both pathways occur in specialized organelles - photosynthesis occurs in the chloroplasts, while cellular respiration occurs in the mitochondria.
What are electron carriers used in photosynthesis?
Pigment I & II systems of cyclic and non-cyclic phosphorylation.
Which process below does not involve metabolic pathways A protein synthesis B oxidation-reduction C respiration D photosynthesis E biosynthesis?
Protein synthesis is the building of proteins from amino acids. OXIDATION-REDUCTION IS A CHEMICAL REACTION WHEN AN ATOM LOSES AN ELECTRON. Respiration is how animals produce energy. Photosynthesis is how animals produce energy. (Chemically, it's the opposite of respiration.) Biosynthesis is the formation of a chemical compound by a living organism.
What do plants produce in photosynthesis?
Plants produce glucose and oxygen in photosynthesis.
What is required to excite the electrons of the chlorophyll and start the cyclic and non-cyclic phosphorylation?
To excite the electrons of chlorophyll and initiate cyclic and non-cyclic photophosphorylation in photosynthesis, light energy is required. The energy from photons of light is absorbed by chlorophyll molecules in the thylakoid membranes of chloroplasts, leading to the excitation of electrons and the subsequent transfer of these electrons through the electron transport chain. This process generates ATP and NADPH, which are essential for the synthesis of carbohydrates during the light-dependent reactions of photosynthesis.
Which substance is called the second chemical messenger?
Cyclic AMP (cAMP) is often referred to as the second messenger in signal transduction pathways. It is a key component in mediating intracellular responses to extracellular signals such as hormones and neurotransmitters.
