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However, a mutant β-galactosidase derived from the M15 strain of E. coli has its N-terminal residues 11—41 deleted and this mutant, the ω-peptide, is unable to form a tetramer and is inactive. This mutant form of protein however may return fully to its active tetrameric state in the presence of an N-terminal fragment of the protein, the α ...
Plasmids with specially-constructed features are commonly used in laboratory for cloning purposes. These plasmid are generally non-conjugative but may have many more features, notably a "multiple cloning site" where multiple restriction enzyme cleavage sites allow for the insertion of a transgene insert. The bacteria containing the plasmids can ...
A Laboratory Manual for Comparative Vertebrate Anatomy is a textbook written by Libbie Hyman in 1922 and released as the first edition from the University of Chicago Press. It is also called and published simply as Comparative Vertebrate Anatomy. In 1942 Hyman released the second edition as a textbook, as well as a laboratory manual.
Ebright has stated that the genome and properties of SARS-CoV-2 provide no basis to conclude the virus was engineered as a bioweapon, [28] [29] but he also has stated that the possibility that the virus entered humans through a laboratory accident cannot be dismissed and has called for a thorough investigation of the origin of the pandemic and for measures to reduce the risk of future pandemics.
Laboratory methods and techniques, as used in fields like biology, biochemistry, biophysics, chemistry, molecular biology, etc. Wikimedia Commons has media related to Laboratory techniques . Contents
Welcome to WikiProject Biology, a WikiProject for discussing biology-related articles, editing issues, projects, and guidelines.The purpose of this project is to provide common ground for editors working in all biology-related projects, for seeking advice or requesting help from a broader community of biology editors, and for coordinating the categorization of biology articles.
Recent studies in molecular biology started to investigate the molecular processes involved in determining the conservation and diversification of plant morphologies. In these studies transcriptome conservation patterns were found to mark crucial ontogenetic transitions during the plant life cycle which may result in evolutionary constraints ...
In electrochemistry, a salt bridge or ion bridge is an essential laboratory device discovered over 100 years ago. [ 1 ] It contains an electrolyte solution, typically an inert solution, used to connect the oxidation and reduction half-cells of a galvanic cell (voltaic cell), a type of electrochemical cell .