Chlorophyll molecules in chloroplasts normally only fluoresce a very small amount compared to chlorophyll that has been extracted into a solvent solution. True or false?.

Respuesta :

The answer is True.

What is chlorophyll ?

Chlorophyll is the name of the green pigment that plants use to make food during a process called photosynthesis. But if you try to buy it as a supplement, you will likely see it called chlorophyllin, which is a water-soluble form of chlorophyll that contains copper and sodium.

Chlorophyll fluorescence is light re-emitted by chlorophyll molecules during return from excited to non-excited states. It is used as an indicator of photosynthetic energy conversion in plants, algae and bacteria.

Excited chlorophyll dissipates the absorbed light energy by driving photosynthesis (photochemical energy conversion), as heat in non-photochemical quenching or by emission as fluorescence radiation. As these processes are complementary processes, the analysis of chlorophyll fluorescence is an important tool in plant research with a wide spectrum of applications.

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