Tardigrade
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Tardigrade
Question
Biology
P700 is named because
Q. P700 is named because
2002
197
AMU
AMU 1998
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A
it is 700 times more efficient than other pigment molecules
B
its absorption and action spectra show peaks at 700nm
C
it is rendered ineffective at wave length above 700nm
D
it is a unit consisting of 700 chorophyll molecules.
Solution:
: The reaction centre of photosystem I is referred to as P700, where P5 stands for pigment and 700 standing for the wavelength of light that this particular chlorophyll molecule absorbs most strongly (i.e. 700 nm).