hromozom

hromozom

A structure in the cell nucleus that carries DNA. At certain times in the cell cycle, chromosomes are visible as string-like entities. Chromosomes consist of the DNA with various proteins, particularly histones, bound to it.

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Industria/ámbito: Arqueología
Categoría: Evolución
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X hromozom

Biología; Genoma

One of the two sex chromosomes, X and Y. See also: Y chromosome, sex chromosome.

tipologija

Arqueología; Evolución

(1) The definition of classificatory groups by phenetic similarity to a "type" specimen. A species, for example, might be defined as all individuals less than x phenetic units ...

mimikrija, imitiranje, podražavanje

Arqueología; Evolución

A case in which one species looks more or less similar to another species. See Batesian mimicry and Müllerian mimicry.

spolni hromozom

Arqueología; Evolución

The chromosome or chromosomes that influence sex determination. In mammals, including humans, the X and Y chromosomes are the sex chromosomes (females are XX, males XY). Compare ...

metabolizam

Arqueología; Evolución

The chemical processes that occur in a living organism in order to maintain life. There are two kinds of metabolism: constructive metabolism, or anabolism, the synthesis of the ...

paleobiologija

Arqueología; Evolución

The biological study of fossils.

ćelija

Arqueología; Evolución

The basic structural and functional unit of most living organisms. Cell size varies, but most cells are microscopic. Cells may exist as independent units of life, as in bacteria ...