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植物学实验八,细菌、酵母菌和青霉的观察材料用具:细菌、酵母菌的培养液,培养好的青霉;甲基蓝或龙胆紫染液,碘液,石灰水,锥形瓶、玻璃弯管、吸管、解剖针;显微镜、放大镜、载玻片、盖玻片。细菌的培养: 1取6-7个鸡蛋皮或1-2个变质的臭鸡蛋,放在废旧罐头瓶内,加200毫升水浸泡,并置瓶于20-25℃处,几天后就可用于观察。 2.将洗米水或米汤,注入废罐头瓶内,将瓶置于温暖处,发酵后做涂片观察。
Botany experiment Eight, bacteria, yeast and Penicillium Observation material Utensils: bacteria, yeast culture, cultured Penicillium; methyl blue or gentian violet dye, iodine, lime water, conical flask , Glass elbow, pipette, dissecting needles; microscope, magnifying glass, slide, cover glass. Bacterial culture: 1 Take 6-7 egg skins or 1-2 rotten rotten eggs, placed in a waste canned bottle, add 200 ml of water soaked, and set the bottle at 20-25 ° C, a few days later you can use In observation. 2. Wash rice water or rice soup, into the waste cans bottle, the bottle placed in a warm place, smear observation after fermentation.