Cyclization between Ser and Gly is probably rapid, and the oxidation of the Tyr side chain (by O2) is probably the rate-limiting step of fluorophore generation.

TLS Online TPP Program

#Id: 7893

#Unit 2. Cellular Organization

A human cell has about 1000–2000 mtDNA molecules

A human egg has about 500,000 mtDNA molecules

A sperm has only about 100 mtDNA molecules

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#Id: 2548

#Unit 13. Methods in Biology

The sequence of the target DNA itself can affect PCR efficiency. The GC-rich sequences in target DNA may form secondary structures in the single strands produced by denaturation; this could reduce PCR efficiency.

TLS Online TPP Program

#Id: 9037

#Unit 4. Cell Communication and Cell Signaling

A plot of the amount of ligand bound to the receptor

[RL] versus the amount of free ligand [L] called a

ligand-binding or saturation curve

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#Id: 7769

#Unit 2. Cellular Organization

Nuclear envelope

Double-membrane structure; the outer membrane is continuous with the endoplasmic reticulum and the two membranes are perforated by nuclear pore complexes

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#Id: 683

#Unit 3. Fundamental Processes

POT1 binding to single-stranded telomere DNA inhibits telomere activity.