People's Education Edition Biology for Grade 8, Volume 1
People's Education Edition Biology for Grade 8, Volume 2
People's Education Press High School Biology Compulsory Course 2
Beijing Normal University Edition Seventh Grade Biology Volume 2
People's Education Edition seventh grade biology volume 1
Beijing Normal University Edition Eighth Grade Biology Volume 1
People's Education Press seventh grade biology book volume 2
Beijing Normal University Edition Seventh Grade Biology Volume 1
Beijing Normal University Edition Eighth Grade Biology Volume 2
Jiangsu Education Edition 8th Grade Biology Volume 1
High School Biology Compulsory Course 1, published by People's Education Press
Jiangsu Education Edition Seventh Grade Biology Volume 1
Jiangsu Education Edition Seventh Grade Biology Volume 2
Jiangsu Education Edition 8th Grade Biology Volume 2
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Category | Format | Size |
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People's Education Edition Biology for Grade 8, Volume 1 | pptx | 6 MB |
Description
"Bacteria" Bacteria and Fungi PPT Courseware 3
1. Preview
1. The discovery process of bacteria
2. Morphological structure of bacteria
(1) What are the forms of bacteria?
(2) What are the basic and special structures of bacteria?
(3) What are the differences between bacterial structures and plant cells?
(4) What is the nutritional mode of bacteria?
3. Reproduction of bacteria
(1) What is the reproduction method of bacteria?
(2) What is the reason why bacteria are everywhere?
1. Preview test
1. In the latter part of the 17th century, the Dutch _________ made microscopes and observed a variety of tiny organisms.
2. In the mid-19th century, French scientist ________ designed an ingenious experiment (swan-neck flask experiment), which proved that the spoilage of broth was caused by ________. Bacteria are not caused by ________. He also discovered ________ and ________, and proposed ________ methods and ________ methods for preserving wine and milk. Later generations called him "___________".
3. Individual bacteria are very ________, and the morphology of bacteria can only be observed using ________ or ________.
4. The shapes of bacteria are ___-shaped, ___-shaped and _____-shaped. The main difference in cell structure between bacteria and animals and plants is that although bacteria have areas where ______ are concentrated, they do not have formed ______.
Surgeons must carry out strict disinfection before operating on patients, and must wear sterile gloves and masks during the operation. What are the benefits of doing so?
The reason why canned food does not spoil for a long time is: ( )
A. The seal is very tight and bacteria have no chance to enter.
B. The seal is very tight, and bacteria cannot breathe and die.
C. High-temperature sterilization before capping, and there will be no bacteria in the jar after capping.
D. High temperature and high pressure affect the reproduction of bacteria in the tank.
Keywords: bacteria and fungi teaching courseware, bacteria teaching courseware, People's Education Edition eighth grade biology PPT courseware download, eighth grade biology slide courseware download, bacteria and fungi PPT courseware download, bacteria PPT courseware download, .PPT format;
For more information about the "Bacteria Bacteria and Fungi" PPT courseware, please click on the Bacteria PPT Bacteria and Fungi PPT tab.
"Reproduction of Bacteria and Fungi" PPT courseware:
"The Reproduction of Bacteria and Fungi" PPT Courseware Part One: Mold In a humid and warm environment, some fluffy, flocculent or cobweb-shaped mycelium visible to the naked eye will grow on food, fruits, clothes and many other items. Types of mold: Common molds..
"Reproduction of Bacteria and Fungi" PPT:
"Reproduction of Bacteria and Fungi" PPT Part One Content: Pre-class exercises: 1. When grafting, which part of the structure of the two plants should be closely connected? ( ) A. Xylem B. Phloem C. Cambium D. Outer bark 2. Plants cultivated by gardeners..
"Bacteria" PPT courseware:
The content of the first part of the "Bacteria" PPT courseware: Observe Bacteria. Individuals of bacteria are very tiny. About 1 billion bacteria are piled up, and they are as big as a millet. Please observe the several forms of bacteria observed under a microscope. Please observe. Observe carefully and try to...
File Info
Update Time: 2024-09-07
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