
To determine: How the colonies of Salmonella typhimurium auxotrophs grew in histidine deficient medium.
Introduction:
Histidine is an essential amino-acid metabolite required for the growth of the strain of Salmonella typhimurium. It is added in the nutrient growth medium during the start of nutrient culture.
To determine: The growth of Salmonella typhimurium colonies after addition of 0.4 µg 2-aminoanthracene.
Introduction:
Chemical 2-aminoanthracene contains an
To determine: The carcinogenicity of chemical 2-aminoanthracene.
Introduction:
The 2-aminoanthracene is an aromatic cyclic ring chemical which can cause point or frameshift mutations in the genome of the species of bacteria.

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Chapter 25 Solutions
Lehninger Principles of Biochemistry
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- 2. Which one is the major organic product obtained from the following reaction sequence? HO A OH 1. NaOEt, EtOH 1. LiAlH4 EtO OEt 2. H3O+ 2. H3O+ OH B OH OH C -OH HO -OH OH D E .CO₂Etarrow_forwardwhat is a protein that contains a b-sheet and how does the secondary structure contributes to the overall function of the protein.arrow_forwarddraw and annotate a b-sheet and lable the hydrogen bonding. what is an example that contains the b-sheet and how the secondary structure contributes to the overall function of your example protein.arrow_forward
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