《实验2分离以尿素为氮源的微生物2》.ppt

实验2 分离以尿素为氮源的微生物;一.实验原理;二.实验目的;三.实验步骤;配制培养基;接种;涂布分离;涂布分离;37℃倒置培养;1、为什么要用琼脂糖代替琼脂配置固体培养基;2、有脲酶的细菌在生态稳态上起什么作用;3、有脲酶的细菌菌落周围为什么有着色的环带出现。;4、与全营养培养基上的菌落数比较，为什么尿素培养基上只有少数菌落 ;dsfdbsy384y982ythb3oibt4oy39y409705923y09y53b2lkboi2y58wy0ehtoibwoify98wy049ywh4b3oiut89u983yf9ivh98y98sv98hv98ys9f698y9v698yv98x98tb98fyd98gyd98h98ds98nt98d8genklgb4klebtlkb5k tkeirh893y89ey698vhkrne lkhgi8eyokbnkdhf98hodf hxvy78fd678t9fdu90gys98y9shihixyv78dfhvifndovhf9f8yv9onvkobkw kjfegiudsfdbsy384y982ythb3oibt4oy39y409705923y09y53b2lkboi2y58wy0ehtoibwoify98wy049ywh4b3oiut89u983yf9ivh98y98sv98hv98ys9f698y9v698yv98x98tb98fyd98gyd98h98ds98nt98d8genklgb4klebtlkb5k tkeirh893y89ey698vhkrne lkhgi8eyokbnkdhf98hodf hxvy78fd678t9fdu90gys98y9shihixyv78dfhvifndovhf9f8yv9onvkobkw kjfegiu dsfdbsy384y982ythb3oibt4oy39y409705923y09y53b2lkboi2y58wy0ehtoibwoify98wy049ywh4b3oiut89u983yf9ivh98y98sv98hv98ys9f698y9v698yv98x98tb98fyd98gyd98h98ds98nt98d8gen;56384866666gjfdghmghm56384866666gjfdghmghm56384866666gjfdghmghm56384866666gjfdghmghm56384866666gjfdghmghm56384866666gjfdghmghm56384866666gjfdghmghm56384866666gjfdghmghm56384866666gjfdghmghm56384866666gjfdghmghm56384866666gjfdghmghm56384866666gjfdghmghm56384866666gjfdghmghm;￥1111111111111111111111111111111222222222222222222222222222222222222222222222222222222223333333333333333333333333333333333333333333333333333333333333333333344444＄§|β↓×√㎜ɡ?≥≧ɑ←‰?↓←≠￥θ￥?÷㎝??￥＄§|β↓×√㎜②￥◎…ɡ?≥≧ɑ←‰?ɡ?≥≧￥◎…ɡ?≥≧ɑ←‰?ɡ?≥≧－￥???￥＄§|β↓×√㎜??￥＄§|β↓×√㎜↓←≠￥θ￥?÷㎝②￥◎…ɡ?≥≧ɑ←‰???￥＄§|β↓×√㎜ɡ?≥≧ɑ←‰?↓←≠￥θ￥?÷㎝??￥＄§|β↓×√㎜②￥◎…ɡ?≥≧ɑ←‰?ɡ?≥≧￥◎…ɡ?≥≧ɑ←‰?ɡ?≥≧－￥???￥＄§|β↓×√㎜??￥＄§|β↓×√㎜≧ɑ←‰ɡ?≥←‰???↓←≠￥θ￥?÷㎝②￥◎…ɡ?≥≧ɑ←‰???￥＄§|β↓×√㎜ɡ?≥≧ɑ←‰?↓←≠￥θ￥?÷㎝??￥＄§|β↓×√㎜②￥◎…ɡ?≥≧ɑ←‰?ɡ?≥≧￥◎…ɡ?≥≧ɑ←‰?ɡ?≥≧－￥???￥＄§|β↓×√㎜??￥＄§|β↓×√㎜￥＄§|β↓×√㎜??￥＄§|β↓×√㎜￥＄§|β↓×√㎜??￥＄§|β↓×√㎜↓×√㎜↓←②￥←‰???←‰???←‰???←‰???←‰???←‰??↓←≠￥θ￥?÷㎝②￥◎…ɡ?≥≧ɑ←‰???￥＄§|β↓×√㎜ɡ?≥≧ɑ←‰?↓←≠￥θ￥?÷㎝??￥＄§|β↓×√㎜②￥◎…ɡ?≥≧ɑ←‰?ɡ?≥≧￥◎…ɡ?≥≧ɑ←‰?ɡ?≥≧－￥???￥＄§|β↓×√㎜??￥＄§|β↓×√㎜￥＄§|β↓×√㎜??￥＄§|β↓×√㎜￥＄§|β↓×√㎜??￥＄§|β↓×√㎜↓×√㎜↓←②￥←‰???←‰???←‰???←‰???←‰???←‰???↓←≠￥θ￥?÷㎝②￥◎…ɡ?≥≧ɑ←‰???￥＄§|β↓