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HETEROTROPHIC PROCESSES
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DeCS
Descriptor
English
:
Heterotrophic Processes
Descriptor
Spanish
:
Procesos Heterotróficos
Descriptor
Portuguese
:
Processos Heterotróficos
Tree Number:
G02.111.087.490
G02.149.115.490
G03.495.505
Definition
English
:
The processes by which organisms utilize
organic substances
as their nutrient sources. Contrasts with
AUTOTROPHIC PROCESSES
which make use of simple
inorganic substances
as the nutrient
supply
source. Heterotrophs can be either chemoheterotrophs (or chemoorganotrophs) which also require
organic substances
such as
glucose
for their primary metabolic
energy
requirements, or photoheterotrophs (or photoorganotrophs) which derive their primary
energy
requirements from light. Depending on environmental conditions some organisms can switch between different nutritional modes (AUTOTROPHY; heterotrophy; chemotrophy; or PHOTOTROPHY) to utilize different sources to meet their
nutrients
and
energy
requirements.
See Related
English
:
Autotrophic Processes
Chemoautotrophic Growth
Nutrition Processes
Phototrophic Processes
History Note
English
:
2007
Allowable Qualifiers
English
:
DE
drug effects
GE
genetics
IM
immunology
PH
physiology
RE
radiation effects
Record Number:
52483
Unique Identifier:
D052836
Occurrence in VHL
:
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