fijación de nitrógeno

fijación de nitrógeno

A chemical process by which nitrogen in the atmosphere is assimilated into organic compounds. Only certain bacteria are able to fix atmospheric nitrogen, which then becomes available to other organisms through the food chains.

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อุตสาหกรรม/ขอบเขต: Archaeology
Category: Evolution
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fijación de nitrógeno no simbiótica

Agriculture; Rice science

Biological nitrogen fixation performed by a group of autotrophic bacteria living free in the soil either aerobically or anaerobically and not dependent on plants.

fijación

Archaeology; Evolution

Un gen ha logrado la fijación cuando su frecuencia ha alcanzado al 100 por ciento de la población.

nitrógeno

Astronomy; Planetary science

An element with atomic number 7; symbol: N. It is common in Earth's atmosphere and along with hydrogen, carbon, and oxygen is essential for life.

hongos

Archaeology; Evolution

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

Archaeology; Evolution

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

pirimidina

Archaeology; Evolution

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

ecosistema

Archaeology; Evolution

A community of organisms interacting with a particular environment.

célula fotorreceptora

Archaeology; Evolution

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

Archaeology; Evolution

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

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อุตสาหกรรม/ขอบเขต: Aerospace Category: Space flight

transbordador espacial

Nave espacial reutilizable con alas desarrollado por la Administración Nacional de Aeronáutica y del Espacio de Estados Unidos (NASA) para misiones de ...