virus

virus

A noncellular biological entity that can reproduce only within a host cell. Viruses consist of nucleic acid covered by protein; some animal viruses are also surrounded by membrane. Inside the infected cell, the virus uses the synthetic capability of the host to produce progeny virus.

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dezoksiriboza

Biology; Genome

A type of sugar that is one component of DNA (deoxyribonucleic acid)..

mutacij

Biology; Genome

Any heritable change in DNA sequence. See also: polymorphism.

translokacija

Biology; Genome

A mutation in which a large segment of one chromosome breaks off and attaches to another chromosome. See also: mutation.

elektroforeza

Biology; Genome

A method of separating large molecules (such as DNA fragments or proteins) from a mixture of similar molecules. An electric current is passed through a medium containing the ...

trizomija

Biology; Genome

Possessing three copies of a particular chromosome instead of the normal two copies. See also: cell, gene, gene expression, chromosome.

onkogeni

Biology; Genome

A gene, one or more forms of which is associated with cancer. Many oncogenes are involved, directly or indirectly, in controlling the rate of cell growth..

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Branche/domæne: History Category: World history

Новгород

Водећи град Русије и комерцијални центар који је био у процвату током средњег века, постао је главни уред Ханза. На врхунцу своје моћи под Александром ...