Molecular biology

Molecular biology

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Molecular biology

Melting temperature

Biology; Biochemistry

In nucleic acid and protein chemistry, and by analogy with organic chemistry, the temperature that is the mid-point for the thermal unfolding of a nucleic acid or protein; in the case of nucleic ...

Any tocopherol or tocotrienol compound, for example, α-tocopherol, γ-tocopherol, δ-tocopherol, α-tocotrienol, γ-tocotrienol, etc. These are lipid-soluble molecules that belong to the group of vitamin ...

Synonymous

Biology; Biochemistry

In molecular genetics, descriptive of a nucleotide substitution in a structural gene that does not result in an amino acid substitution; contrasted with non-synonymous, descriptive of base ...

Hot start PCR

Biology; Biochemistry

A variation of the basic PCR procedure that prevents copying of non-specific primer-template complexes, which may be stable at moderate temperatures, by addition of an essential reaction component ...

Site-directed mutagenesis

Biology; Biochemistry

A technique to alter deliberately a structural gene to insert a desired point mutation. A synthetic polynucleotide that contains the genetic alteration is used as an imperfectly fitting primer in ...

Reaction centre

Biology; Biochemistry

In photosynthesis, the energy-transducing unit. By absorption of light it excites a chlorophyll dimer, which can then transfer a pair of electrons across a membrane to a quinone, which will accept ...

Creatine kinase

Biology; Biochemistry

An enzyme that catalyses the reversible reaction of creatine plus ATP to phosphocreatine (PCr) and ADP. Creatine kinase concentrations are elevated after myocardial infarction or other conditions ...