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
Beijing Normal University Edition Seventh Grade Biology Volume 1
People's Education Press seventh grade biology book volume 2
Beijing Normal University Edition Eighth Grade Biology Volume 2
High School Biology Compulsory Course 1, published by People's Education Press
Jiangsu Education Edition 8th Grade Biology Volume 1
Jiangsu Education Edition Seventh Grade Biology Volume 1
Jiangsu Education Edition Seventh Grade Biology Volume 2
Jiangsu Education Edition 8th Grade Biology Volume 2
!["The Life of Cells" Cells are the basic units of life activities PPT courseware 6](http://daogebangong.oss-cn-beijing.aliyuncs.com/ppt/preview/1/8d57e3bf-f137-4034-9499-8dce2267d34e.webp)
Category | Format | Size |
---|---|---|
People's Education Edition seventh grade biology volume 1 | pptx | 6 MB |
Description
"The Life of Cells" Cells are the basic units of life activities PPT courseware 6
Think about it, discuss it
In order to solve the problem of skin grafting for patients with extensive burns, scientists have developed artificial skin. During the development process, human skin cells need to be cultured in culture bottles.
How can we keep these cells alive in culture bottles? What should be added to the culture flask? Try making your own guesses!
(1) Nutrient (synthetic culture medium)
(2) Sterile and non-toxic environment
(3) Suitable temperature and pH value
(4) Suitable gas environment (oxygen and carbon dioxide), etc.
Glucose, amino acids, inorganic salts, vitamins and animal serum should be added to the culture bottle.
1. Cell life requires matter and energy
Think: What substances do they mainly contain? What does it mean?
Explain that the life of cells requires water, sugar, fat, protein, inorganic salts and other substances.
Substances are composed of molecules, which are divided into small molecule substances (water and inorganic salts, etc.) and macromolecular substances (sugar, fat, protein, etc.). And the molecules are constantly in motion.
discuss:
1. Can substances made of molecules move in and out of cells freely? Why?
No, because the cell membrane separates the inside of the cell from the outside environment, giving the cell a relatively stable internal environment.
2. Is the color of the water the same after washing the spinach in cold water and blanching it in hot water? Why?
When spinach is boiled in boiling water, the permeability of the cell membrane is destroyed and chlorophyll leaks out, causing the water to turn green.
The cell membrane controls the movement of substances into and out of the cell:
⑴Let useful substances enter cells;
⑵Keep some substances out of cells;
⑶Excrete the waste products produced in the cells out of the cells.
The cell membrane is a permselective membrane that is selective for substances entering and leaving the cell. Generally speaking, substances that are beneficial to cells can enter, but harmful or useless substances cannot enter. At the same time, waste products produced in cells can be discharged, so it can control the entry and exit of substances.
2. The nucleus is the control center
discuss:
1. What do A.B.C sheep provide?
Sheep A provided the anucleate egg cells
Sheep B provided the nucleus
C sheep provide a place for embryonic development
2. Who does Dolly look like?
Ewe B who provided the nucleus
3. Explain where genetic information resides?
Genetic information resides in the cell nucleus, which controls the development and inheritance of organisms.
There is a very magical genetic material in the nucleus of the cell, its name is DNA (deoxyribonucleic acid), and DNA contains all the information that guides biological development.
Due to the existence of DNA, the genetic material, the nucleus becomes the control center of the entire cell.
The life of cells is the unity of matter, energy and information.
Keywords: Cell is the basic unit of life activities teaching courseware, cell life teaching courseware, People's Education Edition seventh grade biology PPT courseware download, seventh grade biology slide courseware download, cell is the basic unit of life activity PPT courseware download, cell Life PPT courseware download, .PPT format;
For more information about the PPT courseware "Cells are the basic unit of life activities, the life of cells", please click the Cells are the basic units of life activities ppt cell life ppt tag.
"The Life of Cells" Cells are the basic units of life activities PPT courseware 9:
"The Life of Cells" Cells are the basic units of life activities PPT courseware 9 Use your brain. Do you need to add nutrients to the cells in the culture flask to keep them alive? Nutrients need to be added to maintain cell life. Substances in cells. Speculation: Substances contained in fruits...
"The Life of Cells" Cells are the basic units of life activities PPT courseware 8:
"The Life of Cells" Cells are the basic units of life activities PPT courseware 8 [Autonomous learning] P50~52: 1. The substances in cells include two categories: _______ and _______. The former is composed of ______, ______ and _____, and the latter is composed of ______, ______..
"The Life of Cells" Cells are the basic units of life activities PPT courseware 7:
"The Life of Cells" Cells are the basic units of life activities PPT courseware 7 Think about it, discuss it and try to make your own guesses! (1) Sterile, non-toxic environment (2) Nutrients (synthetic culture fluid) (3) Appropriate temperature and pH value (4) Appropriate...
File Info
Update Time: 2024-08-31
This template belongs to biology courseware People's Education Edition seventh grade biology volume 1 industry PPT template
"The Life of Cells" Cells are the basic units of life activities PPT courseware 6 Simple campus recruitment activity planning plan summary enterprise and institution recruitment publicity lecture PPT template is a general PPT template for business post competition provided by the manuscript PPT, simple campus recruitment activity planning plan summary enterprise and institution recruitment promotion Lecture PPT template, you can edit and modify the text and pictures in the source file by downloading the source file. If you want more exquisite business PPT templates, you can come to grid resource. Doug resource PPT, massive PPT template slide material download, we only make high-quality PPT templates!
Tips: If you open the template and feel that it is not suitable for all your needs, you can search for related content "The Life of Cells" Cells are the basic units of life activities PPT courseware 6 is enough.
How to use the Windows system template
Directly decompress the file and use it with office or wps
How to use the Mac system template
Directly decompress the file and use it Office or wps can be used
Related reading
For more detailed PPT-related tutorials and font tutorials, you can view: Click to see
How to create a high-quality technological sense PPT? 4 ways to share the bottom of the box
Notice
Do not download in WeChat, Zhihu, QQ, built-in browsers, please use mobile browsers to download! If you are a mobile phone user, please download it on your computer!
1. The manuscript PPT is only for study and reference, please delete it 24 hours after downloading.
2. If the resource involves your legitimate rights and interests, delete it immediately.
3. Contact information: service@daogebangong.com
"The Life of Cells" Cells are the basic units of life activities PPT courseware 6, due to usage restrictions, it is only for personal study and reference use. For commercial use, please go to the relevant official website for authorization.
(Personal non-commercial use refers to the use of this font to complete the display of personal works, including but not limited to the design of personal papers, resumes, etc.)
Preview
!["The Life of Cells" Cells are the basic units of life activities PPT courseware 6](http://daogebangong.oss-cn-beijing.aliyuncs.com/ppt/preview/1/1d0c349f-5068-4896-a0da-f6587c6fc5d5.webp)