Cystine (Cys2) possesses a weak absorption maximum of similar strength as phenylalanine at 250 nm.

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#Unit 5. Developmental Biology

Early on during aggregation, gene expression requires the activity of cAMP-dependent protein kinase.

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#Unit 13. Methods in Biology

The more metabolically active cells that are present in the culture, the more formazan will be generated, and so this assay provides a readout of the number of live cells as a function of time.

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#Unit 2. Cellular Organization

Crista junction

The connection between the inner boundary membrane and a crista

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#Unit 3. Fundamental Processes

While DnaA has a weak intrinsic activity that converts the ATP to ADP, this is enhanced by a factor termed Hda.

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#Id: 2632

#Unit 13. Methods in Biology

The principle behind the S1 mapping method is to label a single stranded DNA probe that can hybridize only to the transcript of interest.