3 years ago

What is the endosymbiotic theory? (Cells)

1 answer:

7 0

The endosymbiosis theory explains how eukaryotic cells may have evolved from prokaryotic cells. Symbiosis is a close relationship between two different organisms.Later, a host cell engulfed a prokaryotic cell capable of photosynthesis. This is where the chloroplast and other plastids originated.

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What happens during the light reaction of photosynthesis?.

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Chlorophyll absorbs the red and blue segment of the white light and photosynthesis occurs most efficiently at these wavelengths.

When the light falls on the plant, the chlorophyll pigment absorbs this light and electrons in it gets excited.

This process occurs in a complex protein system which is collectively called as a photosystem.

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2 years ago

The rise of water in a narrow tube against the force of gravity is called what?

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