XMAP215 binds free tubulin subunits and delivers them to the plus end of a microtubule, dramatically accelerating polymerization.

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#Id: 7212

#Unit 5. Developmental Biology

Presentation of nonpeptide antigens derived from pathogens involves the nonclassical class I–like CD1 molecule

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#Id: 2529

#Unit 13. Methods in Biology

The duration of primer extension is usually 2 min at 72°C

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#Id: 3870

#Unit 5. Developmental Biology

Secreted GABA then acts on prestalk cells to induce the cell-surface exposure of the serine protease domain of the ABC transporter TagC.

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#Id: 3374

#Unit 3. Fundamental Processes

Translesion synthesis replicates across the DNA lesion, but the lesion remains in the genome until a DNA repair pathway can subsequently correct the damage.

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#Id: 7770

#Unit 2. Cellular Organization

The inner nuclear membrane contains proteins that act as binding sites for chromosomes and for the nuclear lamina.