Why Is the Molecule of Chlorophyll a in Photosystem I's

question 43

Multiple Choice

Why is the molecule of chlorophyll a in photosystem I's reaction centre known as P700?

• A) because 700 molecules of NADPH are generated per photon of light absorbed
• B) because it absorbs 700 photons per minute
• C) because exactly 700 accessory pigments are in the photosystem
• D) because it absorbs photons with a wavelength of 700 nm

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Definitions:

Chebyshev's Theorem

A statistical theorem which states that for any real number greater than one, a certain proportion of values in any data set will be close to the mean, based on the number of standard deviations specified.

Standard Deviations

A measure of the amount of variation or dispersion of a set of values, indicating how spread out the values are from their mean.

Midrange

The arithmetic average of the maximum and minimum values in a data set.

Variance

A measure of the dispersion or spread of a set of data points, indicating how much they differ from the mean.