2025锟斤拷呖锟斤拷锟�(f锟斤拷)锟斤拷(x锟斤拷)锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷@些锟斤拷要锟斤拷锟�
2024-11-03 20:11:09锟絎(w锟斤拷ng)锟絡(lu锟斤拷)锟斤拷锟斤拷
锟斤拷锟斤拷锟斤拷锟揭伙拷锟斤拷^锟斤拷DNA锟斤拷RNA锟节硷拷锟斤拷锟叫的分诧拷
锟斤拷锟斤拷1.锟斤拷锟皆拷锟斤拷锟斤拷锟斤拷眉谆锟斤拷G锟斤拷锟斤拷锟絖锟絫锟斤拷锟饺旧拷锟斤拷锟斤拷锟斤拷锟饺旧拷锟斤拷锟斤拷锟斤拷@示DNA锟斤拷RNA锟节硷拷锟斤拷锟叫的分诧拷锟斤拷锟阶伙拷锟紾锟斤拷锟斤拷锟絖锟絫锟斤拷DNA锟斤拷RNA锟斤拷锟紿锟斤拷锟斤拷锟斤拷同锟斤拷锟阶伙拷锟紾+DNA→锟紾色
锟斤拷锟斤拷锟斤拷锟絖锟絫+RNA→锟絫色
锟斤拷锟斤拷2.锟街诧拷锟斤拷锟斤拷锟斤拷锟斤拷锟紻NA锟斤拷要锟街诧拷锟节硷拷锟斤拷锟斤拷锟叫ｏ拷
锟斤拷锟斤拷锟斤拷锟斤拷锟絯锟斤拷锟絶锟紾锟絯锟斤拷(n锟斤拷i)也锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷DNA锟斤拷RNA锟斤拷要锟街诧拷锟节硷拷锟斤拷锟絴(zh锟斤拷)锟斤拷锟斤拷
锟斤拷锟斤拷3.锟斤拷锟結(ji锟斤拷)锟斤拷锟斤拷锟斤拷锟斤拷锟剿呈綠色锟斤拷锟斤拷锟斤拷锟絴(zh锟斤拷)锟绞紅色.
锟斤拷锟斤拷4.锟斤拷锟結(ji锟斤拷)論锟斤拷DNA锟斤拷要锟街诧拷锟节硷拷锟斤拷锟斤拷锟斤拷锟斤拷RNA锟斤拷要锟街诧拷锟节硷拷锟斤拷锟絴(zh锟斤拷)锟斤拷锟斤拷
锟斤拷锟斤拷5.锟斤拷锟斤拷锟斤拷蹋锟�
锟斤拷锟斤拷(1)取锟斤拷腔锟斤拷皮锟斤拷锟斤拷锟斤拷片锟斤拷锟斤拷锟絛锟斤拷片锟较碉拷一锟斤拷锟絴(zh锟斤拷)锟斤拷锟街旓拷(sh锟斤拷)锟介：0.9%NaCl锟斤拷液锟斤拷
锟斤拷锟�锟斤拷锟斤拷锟斤拷诤锟�锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟轿匡拷腔锟斤拷(n锟斤拷i)锟节猴拷锟斤拷锟斤拷d锟斤拷片锟斤拷液锟斤拷锟斤拷涂抹锟斤拷锟斤拷锟斤拷锟斤拷锟絛锟斤拷片锟节酒撅拷锟斤拷锟较猴拷桑锟斤拷w锟斤拷锟斤拷
锟斤拷锟斤拷(2)水锟解：锟斤拷锟絛锟斤拷片锟斤拷锟斤拷盛锟斤拷30ml锟絴(zh锟斤拷)锟斤拷锟街旓拷(sh锟斤拷)锟斤拷8%锟斤拷HCl锟斤拷小锟斤拷锟斤拷锟叫ｏ拷锟节达拷锟斤拷锟斤拷屑锟斤拷锟�30锟斤拷锟剿�锟斤拷
锟斤拷锟�锟斤拷蹖锟叫★拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷斜锟斤拷锟�5min锟斤拷
锟斤拷锟斤拷(3)锟絖洗涂片锟斤拷锟斤拷锟斤拷锟絪水锟侥撅拷水锟斤拷锟絖洗锟絛锟斤拷片10s锟斤拷
锟斤拷锟斤拷(4)染色锟斤拷锟斤拷锟斤拷水锟斤拷锟斤拷去锟絛锟斤拷片锟斤拷水锟街ｏ拷锟节滴兩滴伙拷锟饺疽�锟斤拷染色5min锟斤拷锟斤拷锟斤拷去锟斤拷锟斤拷锟饺疽�锟斤拷锟絯锟斤拷锟絯锟斤拷片锟斤拷
锟斤拷锟斤拷(5)锟絕锟届：锟饺低憋拷锟斤拷弑锟斤拷锟�
锟斤拷锟斤拷6锟斤拷锟阶種液锟絯锟节岋拷锟斤拷械锟斤拷锟斤拷茫锟�
锟斤拷锟斤拷(1)0.9%NaCl锟斤拷液锟斤拷锟斤拷锟街匡拷腔锟斤拷皮锟斤拷锟斤拷锟斤拷锟轿態(t锟斤拷i)锟斤拷
锟斤拷锟斤拷8%锟斤拷HCl锟斤拷锟劫革拷變锟斤拷锟斤拷膜锟饺碉拷通透锟斤拷锟斤拷锟斤拷使染色锟絴(zh锟斤拷)锟叫碉拷DNA锟絚锟斤拷锟斤拷锟絴(zh锟斤拷)锟斤拷锟絖锟斤拷锟斤拷锟絪水锟斤拷锟斤拷锟斤拷染液锟斤拷锟絖洗锟絛锟斤拷片锟斤拷
锟斤拷锟斤拷(2)锟斤拷锟饺疽猴拷锟揭拷F(xi锟斤拷n)锟斤拷F(xi锟斤拷n)锟斤拷锟斤拷
锟斤拷锟斤拷(3)該锟斤拷驗不锟斤拷锟斤拷锟斤拷色锟侥诧拷锟斤拷锟斤拷锟斤拷锟斤拷锟缴拷锟斤拷锟斤拷母蓴_锟斤拷
锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟絴(zh锟斤拷)锟絙锟斤拷
锟斤拷锟斤拷一锟斤拷锟斤拷锟皆拷锟斤拷锟竭�原锟斤拷+锟斤拷锟皆囷拷锟斤拷锟斤拷u锟絫色锟斤拷锟斤拷(水浴锟接燂拷)
锟斤拷锟斤拷脂锟斤拷+锟終锟斤拷III锟斤拷锟斤拷锟絊色(锟斤拷液锟絕锟斤拷锟斤拷锟狡拷@微锟絉锟絕锟斤拷)
锟斤拷锟斤拷脂锟斤拷+锟終锟斤拷IV锟斤拷锟絫色
锟斤拷锟斤拷锟斤拷锟斤拷锟絴(zh锟斤拷)+锟絧锟絪锟斤拷試锟斤拷锟斤拷锟斤拷色锟斤拷锟斤拷(y锟斤拷ng)(锟斤拷锟接燂拷)
锟斤拷锟斤拷1锟斤拷還原锟角的檢锟統
锟斤拷锟斤拷(1)锟斤拷锟较碉拷锟絰锟�锟斤拷锟竭�原锟角猴拷锟斤拷锟斤拷锟斤拷锟斤拷色锟斤拷锟斤拷诎锟缴�锟斤拷锟界：锟絆锟斤拷锟斤拷锟芥，锟斤拷锟絵锟斤拷锟斤拷
锟斤拷锟斤拷(2)試锟斤拷锟斤拷锟斤拷锟皆囷拷锟�(锟斤拷液锟斤拷0.1g/mL锟斤拷NaOH锟斤拷液锟斤拷锟斤拷液锟斤拷0.05g/mL锟斤拷CuSO4锟斤拷液)锟斤拷锟紽(xi锟斤拷n)锟斤拷F(xi锟斤拷n)锟斤拷锟斤拷
锟斤拷锟斤拷(3)锟斤拷锟紼锟斤拷取锟斤拷液2mL锟斤拷試锟斤拷锟斤拷→锟斤拷锟诫剛锟斤拷锟斤拷锟斤拷試锟斤拷1mL(锟斤拷锟皆囷拷锟斤拷锟揭猴拷锟斤拷锟揭猴拷锟斤拷锟斤拷锟较撅拷锟斤拷锟斤拷偌锟斤拷锟�)→水浴
锟斤拷锟斤拷锟接燂拷2min锟斤拷锟斤拷→锟絕锟斤拷锟缴冿拷锟�(锟斤拷色→锟絓锟絳色→锟絬锟絫色)
锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷^锟斤拷锟絶锟紾锟絯锟酵硷拷锟斤拷锟絴(zh锟斤拷)锟斤拷锟斤拷
锟斤拷锟斤拷1锟斤拷锟斤拷锟较ｏ拷锟斤拷锟絩锟絓锟斤拷~锟斤拷锟斤拷锟斤拷锟絶锟津菠诧拷锟絶锟斤拷锟斤拷腔锟斤拷皮锟斤拷锟斤拷锟絉锟絩锟絙片
锟斤拷锟斤拷2锟斤拷原锟斤拷锟斤拷锟絶锟紾锟絯锟斤拷锟紷微锟絉锟斤拷锟絕锟斤拷锟斤拷锟紾色锟斤拷锟斤拷锟轿伙拷E锟斤拷锟斤拷锟斤拷
锟斤拷锟斤拷锟矫斤拷锟角綠染液染色锟斤拷目锟角伙拷锟狡わ拷锟斤拷锟斤拷芯锟斤拷锟斤拷w锟斤拷锟絳锟紾色锟斤拷锟斤拷锟斤拷锟絴(zh锟斤拷)锟接斤拷锟給色锟斤拷
锟斤拷锟斤拷知锟絉锟斤拷要锟斤拷取锟斤拷锟斤拷锟斤拷片锟斤拷锟酵憋拷锟絕锟届、锟竭憋拷锟絕锟斤拷
锟斤拷锟斤拷锟斤拷锟斤拷模锟斤拷^锟斤拷锟叫絲锟斤拷锟斤拷
锟斤拷锟斤拷1锟斤拷锟斤拷锟较ｏ拷锟斤拷锟絒锟斤拷锟斤拷(锟絒锟斤拷锟斤拷)
锟斤拷锟斤拷2锟斤拷锟斤拷锟紼锟斤拷(一)锟斤拷锟絒锟斤拷锟斤拷锟斤拷锟斤拷B(y锟斤拷ng)
锟斤拷锟斤拷(锟斤拷)锟絙片锟斤拷锟斤拷锟斤拷
锟斤拷锟斤拷3锟斤拷锟斤拷锟皆拷锟斤拷锟�
锟斤拷锟斤拷(1)锟斤拷膽锟斤拷锟斤拷液锟杰岋拷染色锟絯染锟斤拷锟斤拷色
锟斤拷锟斤拷(2)锟叫絲锟斤拷锟窖革拷锟斤拷锟絩锟节硷拷锟斤拷锟斤拷(n锟斤拷i)染色锟絯锟斤拷锟轿態(t锟斤拷i)锟斤拷锟叫烇拷變锟斤拷锟斤拷同锟斤拷锟斤拷锟矫高憋拷锟紷微锟絉锟斤拷锟斤拷(j锟斤拷)锟斤拷锟斤拷锟絩锟节冿拷(n锟斤拷i)染色锟絯锟斤拷變锟斤拷锟斤拷r锟斤拷锟絉锟絜該锟斤拷锟斤拷處锟斤拷锟角傦拷锟絩锟节★拷
锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟教ｏ拷锟斤拷锟絰→漂洗→染色→锟斤拷片
锟斤拷锟斤拷1.锟斤拷锟絰锟斤拷藥液锟斤拷锟絴(zh锟斤拷)锟斤拷锟街旓拷(sh锟斤拷)锟斤拷15%锟斤拷锟絵锟斤拷锟斤拷锟絯锟絜锟街旓拷(sh锟斤拷)锟斤拷95%锟侥酒撅拷(1锟斤拷1锟斤拷锟揭�).锟絩锟絞锟斤拷3~5min.目锟侥ｏ拷使锟組锟斤拷锟叫的硷拷锟斤拷锟洁互锟斤拷锟絰锟絖锟斤拷.
锟斤拷锟斤拷2.漂洗锟斤拷锟斤拷锟斤拷水漂洗锟絪10min.目锟侥ｏ拷洗去藥液锟斤拷锟斤拷止锟斤拷锟絰锟絕锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷染色.
锟斤拷锟斤拷3.染色锟斤拷锟斤拷锟絴(zh锟斤拷)锟斤拷锟斤拷葹锟�0.01g/mL锟斤拷0.02g/mL锟斤拷锟斤拷膽锟斤拷锟斤拷液(锟斤拷锟斤拷锟斤拷锟絫液)染色3~5min
锟斤拷锟斤拷目锟侥ｏ拷使染色锟絯锟斤拷色锟斤拷锟斤拷锟斤拷锟絕锟斤拷.
锟斤拷锟斤拷4.锟斤拷片锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷d锟斤拷片锟较ｏ拷锟斤拷一锟斤拷锟斤拷水锟斤拷锟斤拷锟斤拷锟斤拷影迅锟斤拷锟脚拷椋拷w锟斤拷锟絯锟斤拷片锟斤拷锟斤拷锟絯锟斤拷片锟斤拷锟劫硷拷一片锟絛锟斤拷片.然锟斤拷锟斤拷拇指锟絧锟絧锟截帮拷锟斤拷锟絛锟斤拷片.
锟斤拷锟斤拷目锟侥ｏ拷使锟斤拷锟斤拷锟斤拷散锟絖锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟絕锟斤拷.
锟斤拷锟斤拷(锟斤拷)锟絕锟斤拷
锟斤拷锟斤拷1锟斤拷锟斤拷锟节低憋拷锟絉锟斤拷锟揭碉拷锟斤拷锟斤拷锟斤拷锟斤拷^(q锟斤拷)锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟叫緊锟杰ｏ拷锟叫的硷拷锟斤拷锟斤拷锟节凤拷锟斤拷锟斤拷(锟絃锟斤拷锟轿ｏ拷锟斤拷锟絃锟絕(q锟斤拷))
锟斤拷锟斤拷2锟斤拷锟絈锟竭憋拷锟絉锟斤拷锟絕锟届：锟斤拷锟斤拷锟斤拷锟斤拷→锟斤拷锟斤拷前锟斤拷锟斤拷锟斤拷末锟斤拷→锟斤拷锟斤拷锟絞锟节★拷(注锟斤拷锟斤拷r锟节硷拷锟斤拷锟斤拷(n锟斤拷i)染色锟絯锟轿態(t锟斤拷i)锟酵分诧拷锟斤拷锟斤拷锟絚)锟斤拷锟斤拷锟叫ｏ拷處锟节凤拷锟斤拷锟絞锟节的硷拷锟斤拷锟斤拷(sh锟斤拷)目锟斤拷锟�锟斤拷
锟斤拷锟斤拷锟斤拷锟斤拷澹荷拷氐锟斤拷锟饺★拷头锟斤拷x
锟斤拷锟斤拷1锟斤拷原锟斤拷锟斤拷(1)锟絶锟紾锟絯锟叫碉拷色锟斤拷锟斤拷锟杰斤拷锟斤拷锟叫機锟杰勶拷锟斤拷酮锟斤拷o水锟揭达拷——锟斤拷取色锟斤拷(2)锟斤拷色锟斤拷锟节岋拷锟斤拷液锟叫碉拷锟杰斤拷炔锟酵�锟斤拷锟絊锟斤拷锟斤拷液锟节濾锟斤拷锟较擴散锟劫度诧拷同——锟斤拷锟絰色锟斤拷
锟斤拷锟斤拷2锟斤拷锟斤拷锟紼锟斤拷
锟斤拷锟斤拷锟斤拷取色锟斤拷
锟斤拷锟斤拷(1)锟絈取5g锟紾色锟絶片锟斤拷锟斤拷锟斤拷锟斤拷取色锟斤拷
锟斤拷锟斤拷(2)锟斤拷锟斤拷锟斤拷锟斤拷SiO2锟斤拷CaCO3锟斤拷5ml锟斤拷酮
锟斤拷锟斤拷(锟斤拷锟斤拷→锟斤拷磨→漏锟斤拷锟絕锟絍→锟斤拷锟秸硷拷锟斤拷試锟杰冿拷(n锟斤拷i)锟斤拷锟斤拷锟給锟杰匡拷)
锟斤拷锟斤拷锟狡濾锟斤拷锟絣
锟斤拷锟斤拷(1)锟斤拷锟斤拷锟斤拷臑V锟斤拷锟斤拷锟斤拷6cm锟絃锟斤拷1cm锟斤拷锟侥硷拷锟絣锟斤拷锟斤拷去一锟剿兩斤拷(使锟斤拷锟斤拷液同锟絩锟斤拷锟絖锟絍液锟斤拷锟斤拷)
锟斤拷锟斤拷(2)锟节撅拷锟斤拷锟揭伙拷锟�1cm處锟斤拷锟経锟絇锟斤拷锟斤拷
锟斤拷锟斤拷锟絍液锟斤拷锟斤拷
锟斤拷锟斤拷(1)锟斤拷毛锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟侥濾液锟斤拷锟経锟絇锟斤拷處小锟侥撅拷锟斤拷貏锟揭伙拷l锟絍液锟斤拷锟斤拷
锟斤拷锟斤拷(2)锟斤拷锟斤拷锟斤拷貜锟�(f锟斤拷)锟斤拷2-3锟斤拷
锟斤拷锟斤拷锟斤拷锟较岋拷锟斤拷
锟斤拷锟斤拷(1)锟斤拷锟斤拷锟斤拷械锟斤拷锟�3ml锟斤拷锟斤拷液(锟皆岋拷锟斤拷液锟斤拷锟絔锟斤拷锟絍液锟斤拷锟斤拷锟斤拷锟�)
锟斤拷锟斤拷(2)锟斤拷锟絍锟斤拷锟絣锟斤拷顺锟斤拷锟斤拷锟轿⑿憋拷锟斤拷锟斤拷锟斤拷锟�(n锟斤拷i)锟斤拷锟斤拷锟絧锟絧锟斤拷锟斤拷锟斤拷锟揭猴拷锟�
锟斤拷锟斤拷(3)锟斤拷锟斤拷锟紹(y锟斤拷ng)锟斤拷锟絯锟絯锟较燂拷锟斤拷
锟斤拷锟斤拷锟絕锟斤拷Y(ji锟斤拷)锟斤拷锟斤拷锟絍锟斤拷锟絣锟较筹拷锟紽(xi锟斤拷n)锟侥條锟斤拷锟斤拷锟斤拷锟缴拷锟酵拷牟蕩锟�锟斤拷
锟斤拷锟絇(gu锟斤拷n)锟斤拷锟絔锟斤拷
锟斤拷锟斤拷锟竭匡拷锟斤拷锟斤拷锟�(f锟斤拷)锟斤拷(x锟斤拷)锟斤拷锟斤拷
锟斤拷锟铰高匡拷锟結訊锟斤拷锟竭匡拷锟斤拷锟斤拷锟斤拷锟斤拷前锟绞備、志愿锟斤拷锟�锟斤拷锟饺★拷謹锟�(sh锟斤拷)锟斤拷锟斤拷
锟竭匡拷锟絩锟絞锟斤拷锟斤拷全锟斤拷锟斤拷要锟斤拷(ji锟斤拷)锟絚
锟組锟斤拷"锟竭匡拷锟絎(w锟斤拷ng)"微锟脚癸拷锟斤拷號
