H3.3 is often referred to as a “replacement” histone.

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#Id: 4001

#Unit 7. System Physiology – Animal

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#Id: 7131

#Unit 6. System Physiology – Plant

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#Unit 7. System Physiology – Animal

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

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#Unit 7. System Physiology – Animal

A countercurrent system is a system in which the inflow runs parallel to, counter to, and in close proximity to the outflow for some distance. This occurs for both the loops of Henle and the vasa recta in the renal medulla

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#Unit 4. Cell Communication and Cell Signaling

C8 is made up of two peptide chains: C8β and C8αϒ. 

Binding of C8β to the C5b67 complex induces a conformational change in the C8 dimer such that the hydrophobic domain of C8αϒ can insert into the interior of the phospholipid membrane.