Canonical H3 also known as H3.1 differs from the H3.3 variant at only four amino acid positions—three in the histone core and one in the N-terminal tail.

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#Id: 636

#Unit 3. Fundamental Processes

Cytosine is deaminated to Uracil.

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#Id: 1782

#Unit 4. Cell Communication and Cell Signaling

Allograft is tissue transferred between genetically different members of the same species Xenograft is tissue transferred between different species

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#Id: 9792

#Unit 6. System Physiology – Plant

Effect of light is Photomorphogenesis

 A decrease in the rate of stem elongation

The beginning of apical-hook straightening

The initiation of the synthesis of pigments

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#Id: 2770

#Unit 13. Methods in Biology

DNA-binding proteins frequently perturb the DNA within the binding region, distorting the double helix. These perturbations are interesting, but are not generally detected by DNase footprinting because the protein keeps the DNase away.

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#Id: 581

#Unit 2. Cellular Organization

CAP–cAMP complex stimulates transcription of the lac operon by binding to an activator-binding site adjacent to the promoter and helping RNA polymerase bind to the promoter.