refraction
When light hits the pigment in Photosystem II, it excites electrons within the chlorophyll molecules, raising them to a higher energy state. This energy is then used to split water molecules (photolysis) into oxygen, protons, and electrons. The excited electrons are transferred through a series of proteins in the thylakoid membrane, initiating the process of photosynthesis and ultimately contributing to the production of ATP and NADPH. This occurs during the light-dependent reactions of photosynthesis.
When a chlorophyll molecule absorbs a photon of light, Photons strike the "antenna" of the chlorophyll molecule. This causes electrons in the photo-reaction centers that are attached to the antennas to become excited and move to a higher energy level. That's photoexcitation. The valence electrons in Magnesium (part of the chlorophyl molecule) jump to an excited state.
When light of the correct wavelength hits a photosynthetic pigment molecule, it excites electrons within the molecule, elevating them to a higher energy state. This process is essential for photosynthesis, as it initiates the transformation of light energy into chemical energy. The excited electrons ultimately participate in a series of reactions that lead to the production of ATP and NADPH, which are vital for the synthesis of glucose from carbon dioxide and water. Thus, the absorption of light is a crucial step in the energy conversion process in plants.
The name of the light-sensitive pigment in rods is rhodopsin.
Cyanobacteria utilize chlorophyll as their pigment to capture sunlight for photosynthesis. This pigment is responsible for absorbing light energy needed to convert carbon dioxide and water into sugars for food.
The pigment that absorbs light when photosynthesis begins is chlorophyll. Specifically, chlorophyll a is the primary pigment involved, capturing light energy from the sun to initiate the process of converting carbon dioxide and water into glucose and oxygen. Chlorophyll absorbs mainly blue and red wavelengths of light, reflecting green, which is why plants appear green. This light energy is then used in the light-dependent reactions of photosynthesis.
what is the primary light-gathering pigment in plant? i want the exact answer plz
The absorption spectrum of a pigment refers to the range of wavelengths of light that the pigment can absorb. It is typically represented graphically with absorption peaks indicating which wavelengths of light are absorbed most strongly by the pigment. The absorption spectrum is important in understanding the color of the pigment because the color we see is determined by the wavelengths of light that are not absorbed but reflected or transmitted.
Red pigment in algae, such as phycoerythrin, helps absorb light for photosynthesis in deeper water where blue and green light is limited. This allows the algae to thrive in low light conditions by capturing additional wavelengths of light energy for photosynthesis.
chlorophyll pigment consists of antenna and reaction centres to absorb light energy.there are two regions in this pigment that is-pigment system I which absorbs far red light at 700nm and another is pigment system II which absorbs red light at 680nm.
White light is composed of various colors, including blue. When white light strikes blue pigment, the blue pigment absorbs most colors of light except for blue, which is reflected back to our eyes, making the pigment appear blue.
The light-sensitive pigment found in rod cells is called rhodopsin. It is composed of a protein called opsin and a molecule called retinal. When light hits rhodopsin, it triggers a series of chemical reactions that lead to the generation of electrical signals in the rod cells.