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1. Enrichmentculture i s a methodfor isolatingmicroorganismsfrom natureusing
specific _and incubationconditions
2. chemotaxismeansthemovementof anorganism a chemicalgradient
3. A gel-likeregionbetweenthe outersurfaceof the cytoplasmicmembraneandthe
innersurfaceof the lipopolysaccharidelayerof gram-negativebacteriais called_
4. A culturemedium composedof digestsof chemicallyundefinedsubstancessuch
asyeast andmeatextracts is called medium
5. Anaerobiccatabolismin which an organic compoundservesasboth an electron
donorandan electronacceptorandin which ATP is producedby substrate-level
phosphorylationis a processcalled_
6. phototrophicbacteriacomprisea largeandmorphologicallyheterogeneousgroup
of _.
7. All fungi arechemoheterotrophs,requiring _for energyandcarbon.
8. - are microorganismsthat obtain their energy to synthesizeorganic
compoundsfromlight.
9.A mediumwheretheineredientsareknowniscalleda
10. The portion of thc myce¢òu¢ò1concemcd¡¢vith obtaining nutrients is ca¢òed the
vegetative rnycc¢òun1;the portion concemcd¡¢vith reproduction is
the ~__ or ~_¡¥mycehum,
¶þ¡£ Ñ¡ÔñÌâ (¹² 30·Ö,ÿ Ìâ 1·Ö)
1,Agar is sLlperior to gelatin as a soli(liµÆillg agent becat¡¾se agar
a¡£does not rnelt at room telnperature
b,so¢òdifles at75¡ãC
c¡£is not usua11y dccOmposed by rnicroorganisms
d,both a and c
2.A¡Ç1icroscope that has a total rnagniflcation of l,500x with the oil immersion
lcns has an ocular of¡¢vhat po¡¢vcr?
l
medium
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