Biochemistry

Biochemistry

The scientific study of the chemistry of living matter.

Industry: Biology; Biotechnology

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Biochemistry

nucleotide

Biology; Biochemistry

A nucleoside with one, two or three phosphate(s) esterified to one of the free hydroxy groups of the sugar moiety, usually the 3'- or 5'-hydroxy group; ribonucleotide if the sugar is D-ribose; ...

nucleoside

Biology; Biochemistry

A purine or pyrimidine base with a sugar attached in a glycosidic linkage; ribonucleoside if the sugar is D-ribose and deoxyribonucleoside if the sugar is D-deoxyribose.

The site where the two polynucleotides of a parent DNA separate during replication. The daughter strands are attached to the two separated polynucleotides that trail away from the fork as it advances ...

oncoprotein

Biology; Biochemistry

The translation product of an oncogene; a regulator of cellular processes, which if the gene is mutated, results in uncontrolled growth (cancer). Oncoproteins may be embedded in the plasma membrane ...

hydropathy plot

Biology; Biochemistry

A graph that shows regions of hydrophobicity or polarity of a protein; a line graph that displays the hydropathy index against the position of each residue of the protein. Each residue is averaged ...

paralogous

Biology; Biochemistry

Descriptive of homologous genes that have duplicated and evolved divergently, e.g. those encoding trypsin, chymotrypsin, elastase and thrombin, which are all serine proteinases and occur together ...

antioxidant

Biology; Biochemistry

A scavenger of reactive oxygen free radical species (OH Â· , O 2 -Â· , etc.) and other oxidizing compounds; of particular importance are those that act as antioxidants in vivo, e.g. ascorbate, ...