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Photohetrotroph
An organisim that is able to use light energy to generate ATP but must take in organic compounds from the envorment as a sourse of carbon.
Photoautotroph
An organism that uses energy from the light to make organic molecules from inorganic sourses
Chemohetrotroph
an organism that must obtain organic molecules both for energy and as a carbon sourse
Chemoautotroph
An organism that is able to use energy obtained by chemical modifcations of organic compounds to synthisise organic compounds.
Oblongate areobes
organisms that are poisend by oxygen
Aerotolorant anerobe
A microorganism that dose not use oxygen but is not poisend by oxygen
Faculative anerobe
A microorganism that can use oxygen in aerobic respiration, obtain energy via anerobic fermintation or use inorganic chemical reactions to obtain energy.
Nitrogen Fixation
A specialised metabolic prosess in which certin prokareyotes use the enzyme nitrogenese to convert inhert atmospheric nitrogen gas
Heterotroph
An organism that canot produce organic molecules by using energy from inorganic sourses or light it must obtain one or more organic compounds from its enviorment.
Autotroph
An organism that has metabolic pathways that use energy from either inorganic molecules or light to make ogrganic molecules
Archea cell wall is made of
Protien
bacteria cell wall is made of
peptodoglycan
Chemotrophs
Use energy from chemical modifications of inorganic compunds. One modifcation is nitrifcation another is the oxidation of iorn sulfur and hydrogen
obligate anerobes
require oxygen for survial
aerotolorant anerobes
do not use oxygen to procure energy insted they use fermentaion or anerobic respiration which uses molecules other than oxygen for electron transfer prosess
some chemotrophs use __________ . the conversion of amonioa to obtain energy.
nitrifcation
the removal of nitrogen from the gassus phase is called_______
nitrogen fixation.
features of the fungal cell wall include
composed of chitin
facilitates asmtorohy
symbiosis
discribes all relationships in which one organism lives in close association with eachother
fungi typicaly have a tough cell wall that helps resist
high osmotic pressure
spores produced by fungi represent a magor adaptation to
terestiral habitat
the fungal body composed of branched hyphe
Mycelium
events in asexual reproduction in fungi
hyphal tips produce geneticaly identical spores which are dispersed and form new mycelua when they land in a sutable enviorment
spores produced by asexual reproduction
conidia
hyphal tips
can produce millions of conidia tips which are dispersed to form new mycelia
sexual reproduction in fungi differs from that in plants because
fungi do not produce eggs and sperm.
a common group of pathonogenic crop fungi named for their redish spots
wheat rusts
sexual reproduction in fungi is similar to that in plants because
fertalisiation produces zygotes
gametes unite to form the next generation
meiosis produces spores.
Saccharomyces cerviside
is a good model organism because it is a ukaryote with a short life cycle.