微生物发酵工程试题库.doc

1微生物发酵工程试题库目录目录·······························································1一、单项选择题共39题·············································2答案··························································5二、多项选择题共38题············································6答案························································10三、填空共48题·················································11答案·························································13四、名词解释共299个·············································14答案··························································22五、简答题共89题···············································55答案·························································59六、论述题共29题···············································84答案·························································84试题库说明·····················································1092微生物发酵工程试题库一、,以孢子繁殖,分布广泛大多是腐生菌,少数是动植物寄生菌,是抗生素的主要产生菌,2/3以上抗生素由该类菌产生。这类微生物是:(),远远低于微生物新陈代谢作用停止的温度。A.-1800CB.-.-1600CD.-()。,营养丰富,完全,C/N合适,原料来源充足,质优价廉,成本低,有利于大量积累产物。这些是()的一般特点。.()是一类微生物维持正常生长不可缺少的,但自身不能合成的微量有机化合物。,在发酵过程中,不断进行通气(好氧发酵)和为调节发酵液的pH而加入酸碱溶液外,与外界没有其它物料交换。这种培养方式操作简单,是一种最为广泛使用的方式,称之为()。、体系内营养物浓度和产物浓度始终一致、菌种容易发生变异的问题无法解决这种发酵方式是()。,装料系数为()。----()增加一倍所需要的时间。,是一些丝状真菌的通称.,分布极广;在工业上可以利用该类微生物生产有机酸、糖化酶、蛋白酶等。大多能够引起有机物质发生变质。这类微生物是()。()。,高于斜面1cm,然后置于冰箱保藏。该保藏法是基于()原理进行的。()。,出现了污染,工人们进行了如下处理:;;;。这是()污染。