Molecular biology

Molecular biology

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Molecular biology

residue

Biology; Biochemistry

The part of a single sugar that appears in a polysaccharide; of a single amino acid in a protein; of a single nucleotide in a nucleic acid, etc.; usually the monomer minus the elements of water.

pleiotropism

Biology; Biochemistry

A characteristic of action of some hormones; expression of several activities, e.g. the action of insulin both to promote glucose uptake by skeletal muscle cells and to promote protein synthesis.

linkage map

Biology; Biochemistry

A description of a genome derived from the screening of many phenotypes to determine the frequency with which genes occur together, and can then be placed in appropriate proximity to one another.

autoimmune disease

Biology; Biochemistry

A failure of tolerance; the reaction of an individual's immune system towards some of the individual's own proteins as if they were foreign proteins, e.g. myasthenia gravis, rheumatoid arthritis.

erybraedin C

Biology; Biochemistry

A pterocarpan purified from the plant Bituminaria bituminosa that inhibits both the cleavage and religation activities of human topoisomerase I and has been shown to have an anti-tumor activity.

universal

Biology; Biochemistry

In molecular biology, descriptive of a tool that is generally useful, not limited to a specific DNA fragment or sequence; e.g. a universal adaptor is one that can be ligated to all DNA fragments.

advanced glycation end product (AGE)

Biology; Biochemistry

The degradation product of a protein-carbohydrate addition product such as haemoglobin A 1C , the Schiff base formed by the condensation of an ε-amino group of haemoglobin with glucose.