Molecular Variation (Rate) - Which is the number of substitutions taking place per nucleotide site per year

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#Id: 1475

#Unit 4. Cell Communication and Cell Signaling

25 percent of acute myeloid leukemias are characterized by DNA hypomethylation that is due to inactivating mutations in an enzyme that catalyzes the methylation of CpG dinucleotides.

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#Id: 7194

#Unit 5. Developmental Biology

Class II MHC glycoproteins expressed predominantly on pAPCs, where they primarily present exogenous antigenic peptides to CD4+ T cells.

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#Id: 5201

#Unit 7. System Physiology – Animal

The extrinsic pathway is inhibited by a tissue factor pathway inhibitor that forms a quaternary structure with tissue thromboplastin (TPL), factor VIIa, and factor Xa.

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#Id: 8450

#Unit 1. Molecules and their Interaction Relevant to Biology

Right-handed helical conformation has 3.6 residues per turn with height of 5.4A

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#Id: 7030

#Unit 11. Evolution and Behavior

James Hutton and Charles Lyell – Uniformitarianism Darwin was greatly influenced by Lyell’s teachings, and he adopted uniformitarianism in his thinking about evolution.