The characteristic absorption parameter for the sample is the extinction coefficient a, yielding the correlation I= I0e-ad.

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#Id: 6343

#Unit 8. Inheritance Biology

X-Linked Color Blindness in Humans 

The human eye perceives color through light-sensing cone cells that line the retina.  Each cone cell contains one of three pigments capable of absorbing light of a particular wavelength: one absorbs blue light, a second absorbs red light, and a third absorbs green light.

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#Id: 6592

#Unit 7. System Physiology – Animal

Testosterone, is a  C19 steroid with a hydroxyl group in the 17 position

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#Id: 7440

#Unit 5. Developmental Biology

The stalk is supported by a basal disc & the spore mass is is supported by the upper and lower cup

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#Id: 7215

#Unit 5. Developmental Biology

Class II, but not class I, presentation is inhibited by treatment of the cells with an agent that blocks endocytic processing within the cell (chloroquine).

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#Id: 4640

#Unit 13. Methods in Biology

 Hydrodynamically focused stream separate cells in single file