Positive Selection: The Spread of Beneficial Mutations

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#Id: 8101

#Unit 1. Molecules and their Interaction Relevant to Biology

In cardiolipin, two phosphatidic acids share a single glycerol (R1 and R2 are fatty acyl groups).

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#Id: 2496

#Unit 13. Methods in Biology

.In the Native (Buffer) Gels electrophoresis SDS is absent, and the proteins are not denatured prior to loading. Since all the proteins in the sample being analyzed carry their native charge at the pH of the gel (normally pH 8.7), proteins separate according to their different electrophoretic mobilities and the sieving effects of the gel.

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#Id: 562

#Unit 2. Cellular Organization

The lac mRNA (as most mRNA is in bacteria) is extremely unstable and decays with a half-life of only 3 minutes.

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#Id: 7946

#Unit 2. Cellular Organization

O-linked oligosaccharides

Carbohydrate chains in glycoproteins attached to the

hydroxyl group (-OH) in serine and threonine residues

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#Id: 9503

#Unit 6. System Physiology – Plant

The ToxA gene encodes a 13‐ kDa polypeptide. ToxA stimulates host cell death in a light dependent manner by binding to Plastocynin.