Comprehensive Study on Microbial Growth and Activity at Various Conditions

DESCRIPTION

This detailed analysis examines the growth and activity of microorganisms such as *Bacillus subtilis* and *Escherichia coli* under varying environmental conditions. Key findings include a significant 95% growth efficiency in specific laboratory conditions and methods for rapidly assessing microbial activity. The research also explores the physiological parameters influencing microbial behavior, including optimal pH levels and temperature tolerances. By establishing a thorough understanding of these factors, this study provides crucial insights for applications in microbiology and biotechnology.

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May 04, 2026

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Comprehensive Study on Microbial Growth and Activity at Various Conditions

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Presentation Transcript

1.

5. (?)???? (?)???? (?)???? (?)???? (?)???? (?)???? ?????????????

13. 1???:??12-16h?????(Bacillus subtilis),??24???????(Escherichia coli) 2???????:???????????????95%????????????????????????? 3???:????????????????????????????

14. 1?????

15. (2)??:?????????????????,?????1-2min? (3)??:???????????? (4)??:????????????????????? (5)??:?????,?????,?????????,??????,??????????,?????????????????????

16. 2??????

19. ?????????????????: a.??????????????? b.?????????-?????????2-3?? c.????????????2-3????????????????????????,?????????? ???????????????????,????????

20. 1??????????????,??????,?????,?????,????? 2?????????????????

22. (?)???? (?)???? (?)???? (?)???? (?)???? (?)????

25. ?? ??????(endospore),?????(?????????)???????(?????),??????????????????????

31. 1???:???????2 d ?????????;?????(Azotobacter chroococcus) ?2 d ????????????? 2???????:5%???????0.5%??????????????????; 3???:??????????????????????????????????

32. 1?????

34. 2?????(????) (1)?????????:?????????????,???????????????????; (2)????:?????????????,????????????,?????????????; (3)??:???????????

36. 1???????????????,???????????????? 2??????????????,???????? 3??????????????,????????? 4?????????,?????,??????????

39. (?)???? (?)???? (?)???? (?)???? (?)???? (?)????

42. ???????

49. (?)???? 1.??:?????(streptomycs micuoflavus)??5406??????(S. glaucus),?????(S. fradiae); 2.???:????????; 3.??:???,???,??,???,???,???,???,???,??-?????,????

50. ??:?????????????,????????????,????????????????,?????,????,????(?????????)??(�?�)??????????,????????,????2-3???;

52. 1????????????????,??????; 2???????,??????,????????; 3???????????,????????; 4???????????????????????,???????????????,?????,????????????; 5?????????????

54. (?)???? (?)???? (?)???? (?)???? (?)???? (?)????

58. ??(???) ??

59. ???????? ??(???) ??

60. 1???:????(Saccharomyces cerevisiae)???2d?????????; 2???????:0.05%?0.1% ????????; 3???:?????????????????????????

63. 1???????????,??,???????,?????????????????; 2??????????,???????????

66. (?)???? (?)???? (?)???? (?)???? (?)????

67. (?)????

68. (?)????

70. (?)???? 1.?????:????????NaCl?10%NaOH???10%????? 2.??:???????????????? PH?????????????????????????????????

71. 1.?????????,????????????? ??:???5.0g,???10.0g,NaCl5.0g,??20.0g,???1000ml,pH7.0?

72. 2.?? ??????????????,??,????????????????,?????????,?????,???????????????????????,??????? 3.??pH? ?????????,??PH????????????PH?

73. 4.????????????,??????????? 5.????? ???????,??????????????(?????)?????,?(?)????????????????????

74. 6.??:??????,1210C??20???

79. (?)???? 1.??????????????????? 2.?????????????????

80. (?)???? (?)???? (?)???? (?)???? (?)????

81. (?)????

82. (?)????

83. (?)???? 1. ?? ?? 2.??? ??????????????????????????????? 3.?? ?9ml????????90ml????????????????????????????????????

84. (?)????????

85. (1)???????? ? ????10g,???90ml???????,??15~20??,????????,???20~30?,??10-1?????? ? ????9ml??????,???10-2?10-3?10-4?10-5?10-6?10-7,???????10-1????lml,????10-2??????,????,??????,??10-2????????????????10-2?????????1ml,????10-3??????,????,??????,??10-3??????,?????????????(????)??????????10-4?10-5?10-6??????????

86. (2)???? ????????10-4?10-5?10-6??,?????????,?1ml????????????10-6????1ml,??????10-6????????????10-5????1ml,??????10-5???????????10-4????1ml,??????10-4???????????9?????????15ml????????45???????????????,??????????,????????,??????,????????,???????????????

88. (3)????? ????????,?????37???????24~48??,??????????????????????????????????????,????37???????,??????,????????,?????????????????????,????????,????????????,????????

90. (?)???????

91. (?)???? 1.?????????????????????????????????????? 2.?????,?????????????????45~50?????????????????? 3.?????,????????????????????????????? 4.????????????????

92. (?)???? (?)???? (?)???? (?)???? (?)????

93. (?)????

94. (?)????

97. ????,????????????,?????????????,???16?25,?????????????,??????1ml?????????????????????A,???????B,??,???????????(0.1mm3?????)? A/5 � 16(?25)�B???1ml??????? = A/5�16(?25)�10�1000�B?

98. (?)???? 1.?? ????(Saccharomyces cerevisiae)??? 2.?? ?????????????????????????????????

99. 1.?? ??????????????,?????,?????? 2.????? ????,??????????????????,????????????

100. 3.??? ????????????????,?????????????????????????????(????)????????????????????,??????????????????????

101. 4.????? ?????,??????????,??????????,??????????;????????????????????????????????,?????????? 5.??????? ????,?????????????????????????,???????????????

102. ???? 1?????????,???????????; 2????,????????????????; 3???????,?????????????,????????; 4?????????????????

104. (?)???? (?)???? (?)???? (?)???? (?)????

105. (?)????

106. (?)????

107. (?)???? 1.?? ????????? 2.??? ?????????? ?????8ml??????????8? 3.?? 0.2 M K2HPO4?0.1M????0.2M???0.2MNaOH ????lml???????????????

108. ???????? 1.???????????? (1)?5????????????????????,?????????? (2)??5?????????????????,?????????? 2.????? (1)?? ????????,????0??15??30??37??50????????? (2)?? 48?????,???????

109. pH?????? 1.?pH? ??????8ml??????????7?,????????,????pH?????; 2.???????,?????????????0.2ml,????????; 3.??8ml??????????,??????????????????2.2ml,??????10.2ml,????; 4.????????????37?????48????????????

112. (?)???? (?)???? (?)???? (?)???? (?)???? (?)????

114. ???????????,???????????????????????????,????????????,????????????????????????????????? ??,???????????????????????,????????????????,???????????????

115. ?????????????????????????????????????????????????? ?:????(???)?????(???)?????(???)?? ???????????????????????????????

117. ??????????????,???????????????,??????????????????? ????,??????????????????(?B.C.P???,?pH?5.2?????,pH?6.8?????),??????????????????????,????????????????????

118. 1???:????(E.�coli)?????????????????????? ; 2???????:???????????????????????????????????3?(???????????)?? 3???:?????????????

121. 1.��????�:??????????????????????�� 2.�??:???????????3?,?????????????,????????;??????????3?,?????????????,????????? 3.??:?????????6??????37???????,24h?????;

122. ??????,???????????,????????,???????????,???�-�??;????,???????,????????????,???�+�??? ????????????,?????????????,???�?�??;?????????,???�-�???

124. 1?????????????????????; 2??????????????????; 3?????,??????,????,????????????

127. (?)???? (?)???? (?)???? (?)???? (?)???? ????

130. 1?????? ??????????????????(??????)????,?4C�?????,????????????? ????????????????????????????????? ??????????????,??????????????

131. 2???? ????????????,???????????????,??????????? ?????????????

132. 3???? ??????????????????????? ????????????????????????????? ??????????,??????????

133. 4?????? ??????????????L-???? ????????????????????????,??????????????? L-?????????????,????????10-20C�??????????

134. 5???? ????????????????????????????? ????????????????????????????????

135. 1???:??12-16h?????,?????,????; 2???:???????????; 3???:?????????60????????

136. 1?????? (1)????:?????????,121???30min?,??40 ???????????? ; (2)????:???????????; (3)?????:??????????????,??????????,??????????1cm??,????????; (4)??(5 ???)?? :?????,???????

137. 2?????? (1)???? : ??60???�?????�????�??�??; (2)????:?????????????; (3)??:????,??????????????????????,????????????,?????????(???10?); (4)????:?????????????????????????????????

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