The Ames test uses a strain of S. typhimurium that is mutant for the operon responsible for the biosynthesis of the amino acid histidine.

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#Id: 576

#Unit 2. Cellular Organization

The DNA-binding domain occupies residues 1–59. It contains two a-helices separated by a turn. This is a common DNA-binding motif known as the HTH (helix-turn-helix); the two a-helices fit into the major groove of DNA

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#Id: 8171

#Unit 2. Cellular Organization

In mammalian cells, Rab5 protein (early endosomes) and its effector protein known as EEA1 (early endosome antigen 1)

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#Id: 2812

#Unit 13. Methods in Biology

 In RPLC the organic solvent is referred to as an organic modifier.

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#Id: 1167

#Unit 7. System Physiology – Animal

Renal plasma clearance is the volume of plasma from which a substance is completely removed by the kidney in a given amount of time (usually minutes).

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#Id: 6110

#Unit 3. Fundamental Processes

There are 3 cellular ways to treat mutations on DNA

Repair- Most common

Reversal- Most expensive and rare

Bypass – Last resort and carry mutation without correction