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TLS Online TPP Program

#Id: 9306

There are about 90 million rod cells in the human retina, and each contains about 4x107 molecules of rhodopsin that are very densely packed in the membrane disks.

#Unit 4. Cell Communication and Cell Signaling #Visual Signaling #Part B Pointers
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TLS Online TPP Program

#Id: 3143

#Unit 7. System Physiology – Animal

Expiratory reserve volume the maximum extra volume of air that can be expired by forceful expiration after the end of a normal tidal expiration
TLS Online TPP Program

#Id: 3362

#Unit 6. System Physiology – Plant

The rate of rotation in intact mitochondria has been estimated at about 6,000 rpm—100 rotations per second
TLS Online TPP Program

#Id: 8853

#Unit 2. Cellular Organization

Cohesins 
The protein ring complexes that establish linkages between sister chromatids
TLS Online TPP Program

#Id: 9205

#Unit 11. Evolution and Behavior

Change in environmental condition is not necessary for natural selection.
TLS Online TPP Program

#Id: 8447

#Unit 1. Molecules and their Interaction Relevant to Biology

This results in a strong hydrogen bond that has the nearly optimum N…O distance of 2.8 A.