Molecular biology

Molecular biology

Contributors in Molecular biology

Molecular biology

A change in the reading of the sequence coded by DNA directed by an adjacent intron. The intron, which has a sequence complementary to part of the exon, forms a double-stranded stem structure that is ...

intron

Biology; Biochemistry

From intervening sequence region; originally defined as a non-coding polynucleotide sequence that interrupts the coding sequences, the exons, of a gene. More recent evidence indicates that, in some ...

small nuclear RNA (snRNA)

Biology; Biochemistry

A category of polynucleotides, usually from 70 to 500 nucleotides in length. As complexes with proteins (snrps) they have several functions, among them the processing of pre-mRNA, either directly as ...

doublet

Biology; Biochemistry

A subunit of the axoneme in which 10 microtubule protofilaments are grafted longitudinally on to a whole microtubule, which itself consists of 13 protofilaments. Also, in magnetic resonance, a peak ...

steroid

Biology; Biochemistry

A derivative of perhydrocyclopentanophenanthrene; a more oxygenated product of cholesterol, with the C-17 side chain shortened or removed. Many steroids are hormones, e.g. cortisone, progesterone, ...

blunt ended

Biology; Biochemistry

Descriptive of the structure of double-stranded DNA in which neither strand of the duplex extends further from the end than the other; often the product of cleavage by a restriction endonuclease.

flush ended

Biology; Biochemistry

Descriptive of the structure of double-stranded DNA in which neither strand of the duplex extends further from the end than the other; often the product of cleavage by a restriction endonuclease.