ARN ribosomal (ARNr)

A group of organisms comprising the kingdom Fungi, which includes molds and mushrooms. They can exist either as single cells or make up a multicellular body called a mycelium. ...

ley

Archeologia; Evoluzione

A description of how a natural phenomenon will occur under certain circumstances.

pirimidina

Archeologia; Evoluzione

A kind of base. In DNA, cytosine (C) and thymine (T) are pyrimidines. In RNA, cytosine (C) and uracil (U) are pyrimidines.

ecosistema

Archeologia; Evoluzione

A community of organisms interacting with a particular environment.

célula fotorreceptora

Archeologia; Evoluzione

A cell, functionally part of the nervous system, that reacts to the presence of light. It usually contains a pigment that undergoes a chemical change when light is absorbed. This ...

mitocondria

Archeologia; Evoluzione

A kind of organelle in eukaryotic cells. Mitochondria produce enzymes to convert food to energy. They contain DNA coding for some mitochondrial proteins.

Termini nelle notizie

Termini in evidenza

Giuliana Riveira

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Termini
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Glossari
2
Sostenitori

Settore/Dominio: Astronomia Categoria: Galassia

burbujas de la Vía Láctea

Las dos grandes burbujas con rayos gama de alta energía que sobresalen de la Vía Láctea. Cada una abarca 25000 años luz, casi el tamaño de la galaxia ...