Genes that share a common ancestry have similar organizations with conservation of the positions of the introns.

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#Id: 6353

#Unit 8. Inheritance Biology

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#Id: 1628

#Unit 4. Cell Communication and Cell Signaling

(C1s)2 are serine proteases, cleaves C4 and C2  has the same functions as Masp-1 and Masp-2.

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#Id: 8760

#Unit 1. Molecules and their Interaction Relevant to Biology

This is because hydrogen-bonding groups in an unfolded protein form hydrogen bonds with water molecules. Thus the contribution of a hydrogen bond to the stability of a native protein is the small difference in hydrogen bonding free energies between the native and unfolded states (−2 to 8 kJ ∙ mol−1)

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#Id: 1971

#Unit 10. Ecological Principles

The number alive during an age class can be estimated by the relationship:

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#Id: 5866

#Unit 10. Ecological Principles