cells: the basic units of life. 1.) what is a cell?
DESCRIPTION
The cell is the smallest unit of life on Earth. Organisms can be made up of one or more cells.TRANSCRIPT
![Page 1: Cells: The basic units of life. 1.) What is a cell?](https://reader035.vdocuments.net/reader035/viewer/2022081517/5a4d1bd87f8b9ab0599dac6e/html5/thumbnails/1.jpg)
Cells: The basic units of life
![Page 2: Cells: The basic units of life. 1.) What is a cell?](https://reader035.vdocuments.net/reader035/viewer/2022081517/5a4d1bd87f8b9ab0599dac6e/html5/thumbnails/2.jpg)
1.) What is a cell?
![Page 3: Cells: The basic units of life. 1.) What is a cell?](https://reader035.vdocuments.net/reader035/viewer/2022081517/5a4d1bd87f8b9ab0599dac6e/html5/thumbnails/3.jpg)
1.) What is a cell?•The cell is the smallest unit of life on Earth.
•Organisms can be made up of one or more cells.
![Page 4: Cells: The basic units of life. 1.) What is a cell?](https://reader035.vdocuments.net/reader035/viewer/2022081517/5a4d1bd87f8b9ab0599dac6e/html5/thumbnails/4.jpg)
2.) What is a tissue?
![Page 5: Cells: The basic units of life. 1.) What is a cell?](https://reader035.vdocuments.net/reader035/viewer/2022081517/5a4d1bd87f8b9ab0599dac6e/html5/thumbnails/5.jpg)
2.) What is a tissue?•A tissue is a group of cells that work together to perform a specific job in the body.
![Page 6: Cells: The basic units of life. 1.) What is a cell?](https://reader035.vdocuments.net/reader035/viewer/2022081517/5a4d1bd87f8b9ab0599dac6e/html5/thumbnails/6.jpg)
3.) What is an organ?
![Page 7: Cells: The basic units of life. 1.) What is a cell?](https://reader035.vdocuments.net/reader035/viewer/2022081517/5a4d1bd87f8b9ab0599dac6e/html5/thumbnails/7.jpg)
3.) What is an organ?•When two or more tissues work together to perform a specific job, the group of tissues are called an organ.
![Page 8: Cells: The basic units of life. 1.) What is a cell?](https://reader035.vdocuments.net/reader035/viewer/2022081517/5a4d1bd87f8b9ab0599dac6e/html5/thumbnails/8.jpg)
![Page 9: Cells: The basic units of life. 1.) What is a cell?](https://reader035.vdocuments.net/reader035/viewer/2022081517/5a4d1bd87f8b9ab0599dac6e/html5/thumbnails/9.jpg)
4.) What are organ systems?
•Organ systems are created when groups of organs work together.
![Page 10: Cells: The basic units of life. 1.) What is a cell?](https://reader035.vdocuments.net/reader035/viewer/2022081517/5a4d1bd87f8b9ab0599dac6e/html5/thumbnails/10.jpg)
CirculatorySystem
![Page 11: Cells: The basic units of life. 1.) What is a cell?](https://reader035.vdocuments.net/reader035/viewer/2022081517/5a4d1bd87f8b9ab0599dac6e/html5/thumbnails/11.jpg)
![Page 12: Cells: The basic units of life. 1.) What is a cell?](https://reader035.vdocuments.net/reader035/viewer/2022081517/5a4d1bd87f8b9ab0599dac6e/html5/thumbnails/12.jpg)
5.) What is an organism?
![Page 13: Cells: The basic units of life. 1.) What is a cell?](https://reader035.vdocuments.net/reader035/viewer/2022081517/5a4d1bd87f8b9ab0599dac6e/html5/thumbnails/13.jpg)
5.) What is an organism?
•An organism is anything that can live on its own.
![Page 14: Cells: The basic units of life. 1.) What is a cell?](https://reader035.vdocuments.net/reader035/viewer/2022081517/5a4d1bd87f8b9ab0599dac6e/html5/thumbnails/14.jpg)
6. When is a population created?
![Page 15: Cells: The basic units of life. 1.) What is a cell?](https://reader035.vdocuments.net/reader035/viewer/2022081517/5a4d1bd87f8b9ab0599dac6e/html5/thumbnails/15.jpg)
6. When is a population created?
•When a group of individual organisms of the same kind live in the same area.
![Page 16: Cells: The basic units of life. 1.) What is a cell?](https://reader035.vdocuments.net/reader035/viewer/2022081517/5a4d1bd87f8b9ab0599dac6e/html5/thumbnails/16.jpg)
7. When are communities created?
![Page 17: Cells: The basic units of life. 1.) What is a cell?](https://reader035.vdocuments.net/reader035/viewer/2022081517/5a4d1bd87f8b9ab0599dac6e/html5/thumbnails/17.jpg)
7. When are communities created?
• When two or more different populations live in the same area.–Ex. Populations of foxes, oak trees, lizards, flowers are a part of the forest community.
![Page 18: Cells: The basic units of life. 1.) What is a cell?](https://reader035.vdocuments.net/reader035/viewer/2022081517/5a4d1bd87f8b9ab0599dac6e/html5/thumbnails/18.jpg)
8. When is an ecosystem created?
![Page 19: Cells: The basic units of life. 1.) What is a cell?](https://reader035.vdocuments.net/reader035/viewer/2022081517/5a4d1bd87f8b9ab0599dac6e/html5/thumbnails/19.jpg)
8. When is an ecosystem created?
• Created of the community and all of the nonliving things that affect it – such as water, soil, rocks, light etc.
![Page 20: Cells: The basic units of life. 1.) What is a cell?](https://reader035.vdocuments.net/reader035/viewer/2022081517/5a4d1bd87f8b9ab0599dac6e/html5/thumbnails/20.jpg)
CAN YOU . . . •Explain how life is organized from a single cell to an ecosystem?
![Page 21: Cells: The basic units of life. 1.) What is a cell?](https://reader035.vdocuments.net/reader035/viewer/2022081517/5a4d1bd87f8b9ab0599dac6e/html5/thumbnails/21.jpg)
DISCOVERY OF CELLS
![Page 22: Cells: The basic units of life. 1.) What is a cell?](https://reader035.vdocuments.net/reader035/viewer/2022081517/5a4d1bd87f8b9ab0599dac6e/html5/thumbnails/22.jpg)
1.) What does the cell theory state?
• A.) All organisms are composed of one or more cells.
• B.) The cell is the basic unit of life in all living things.
• C.) All cells come from other cells.
![Page 23: Cells: The basic units of life. 1.) What is a cell?](https://reader035.vdocuments.net/reader035/viewer/2022081517/5a4d1bd87f8b9ab0599dac6e/html5/thumbnails/23.jpg)
2.) What do all cells have in common?
•1.) Cell Membrane•2.) Hereditary Material•3.) Cytoplasm & Organelles
![Page 24: Cells: The basic units of life. 1.) What is a cell?](https://reader035.vdocuments.net/reader035/viewer/2022081517/5a4d1bd87f8b9ab0599dac6e/html5/thumbnails/24.jpg)
3.) What is the cell membrane?
![Page 25: Cells: The basic units of life. 1.) What is a cell?](https://reader035.vdocuments.net/reader035/viewer/2022081517/5a4d1bd87f8b9ab0599dac6e/html5/thumbnails/25.jpg)
3.) What is the cell membrane? Page 92
• The cell membrane surrounds the cell and acts as a barrier between the inside the cell and the outside environment.
![Page 26: Cells: The basic units of life. 1.) What is a cell?](https://reader035.vdocuments.net/reader035/viewer/2022081517/5a4d1bd87f8b9ab0599dac6e/html5/thumbnails/26.jpg)
4.) What is hereditary material?
• This material is DNA and makes it possible for cells to make other cells.
![Page 27: Cells: The basic units of life. 1.) What is a cell?](https://reader035.vdocuments.net/reader035/viewer/2022081517/5a4d1bd87f8b9ab0599dac6e/html5/thumbnails/27.jpg)
5.) What are organelles and cytoplasm?
• Organelles are structures within the cell that enable the cell to live, grow, and reproduce.
• Cytoplasm is the fluid that surrounds the structures of the cell.
![Page 28: Cells: The basic units of life. 1.) What is a cell?](https://reader035.vdocuments.net/reader035/viewer/2022081517/5a4d1bd87f8b9ab0599dac6e/html5/thumbnails/28.jpg)
6.) What are the two types of cells?
Prokaryotes & Eukaryotes
No Nucleus Nucleus
![Page 29: Cells: The basic units of life. 1.) What is a cell?](https://reader035.vdocuments.net/reader035/viewer/2022081517/5a4d1bd87f8b9ab0599dac6e/html5/thumbnails/29.jpg)
PROKARYOTIC Vs. EUKARYOTIC
![Page 30: Cells: The basic units of life. 1.) What is a cell?](https://reader035.vdocuments.net/reader035/viewer/2022081517/5a4d1bd87f8b9ab0599dac6e/html5/thumbnails/30.jpg)
7.) What are characteristics prokaryotic cells?
• AKA – bacteria. • DNA is not in the nucleus• Circular DNA• No membrane covered organelles• Do have ribosomes• Contains cell wall covering the cell
membrane
![Page 31: Cells: The basic units of life. 1.) What is a cell?](https://reader035.vdocuments.net/reader035/viewer/2022081517/5a4d1bd87f8b9ab0599dac6e/html5/thumbnails/31.jpg)
8.) What are eukaryotic cells?
• More complex than prokaryotic cells.
• Contains Nucleus• Membrane Covered Organelles• Linear DNA contained in the
nucleus• Contains a cell membrane
![Page 32: Cells: The basic units of life. 1.) What is a cell?](https://reader035.vdocuments.net/reader035/viewer/2022081517/5a4d1bd87f8b9ab0599dac6e/html5/thumbnails/32.jpg)
INSIDE A EUKARYOTIC
CELL:Role of the Organelles
![Page 33: Cells: The basic units of life. 1.) What is a cell?](https://reader035.vdocuments.net/reader035/viewer/2022081517/5a4d1bd87f8b9ab0599dac6e/html5/thumbnails/33.jpg)
Cell Membrane: GATE KEEPER
![Page 34: Cells: The basic units of life. 1.) What is a cell?](https://reader035.vdocuments.net/reader035/viewer/2022081517/5a4d1bd87f8b9ab0599dac6e/html5/thumbnails/34.jpg)
1.) What is the cell membrane’s role?
• Keep the cytoplasm inside
• Allow nutrients in and waste out
![Page 35: Cells: The basic units of life. 1.) What is a cell?](https://reader035.vdocuments.net/reader035/viewer/2022081517/5a4d1bd87f8b9ab0599dac6e/html5/thumbnails/35.jpg)
Cell Wall: Support/Foundation
![Page 36: Cells: The basic units of life. 1.) What is a cell?](https://reader035.vdocuments.net/reader035/viewer/2022081517/5a4d1bd87f8b9ab0599dac6e/html5/thumbnails/36.jpg)
2.) What’s the role of the cell wall?
• Found only in plants and algae• Provides strength and support to membrane–Trees can stand tall due to their cell wall.
![Page 37: Cells: The basic units of life. 1.) What is a cell?](https://reader035.vdocuments.net/reader035/viewer/2022081517/5a4d1bd87f8b9ab0599dac6e/html5/thumbnails/37.jpg)
NUCLEUS: Cell’s Computer
![Page 38: Cells: The basic units of life. 1.) What is a cell?](https://reader035.vdocuments.net/reader035/viewer/2022081517/5a4d1bd87f8b9ab0599dac6e/html5/thumbnails/38.jpg)
3.) What’s the role of the nucleus?
• Control Center of Cell• Stores DNA (info that tells cell how to make proteins)
• Contains nucleolus which makes ribosomes.
![Page 39: Cells: The basic units of life. 1.) What is a cell?](https://reader035.vdocuments.net/reader035/viewer/2022081517/5a4d1bd87f8b9ab0599dac6e/html5/thumbnails/39.jpg)
RIBOSOMES: Protein Factories
![Page 40: Cells: The basic units of life. 1.) What is a cell?](https://reader035.vdocuments.net/reader035/viewer/2022081517/5a4d1bd87f8b9ab0599dac6e/html5/thumbnails/40.jpg)
4. What’s the role of ribosomes?
• Site where proteins are made from amino acids
![Page 41: Cells: The basic units of life. 1.) What is a cell?](https://reader035.vdocuments.net/reader035/viewer/2022081517/5a4d1bd87f8b9ab0599dac6e/html5/thumbnails/41.jpg)
ENDOPLASMIC RETICULUM: Delivery
System
![Page 42: Cells: The basic units of life. 1.) What is a cell?](https://reader035.vdocuments.net/reader035/viewer/2022081517/5a4d1bd87f8b9ab0599dac6e/html5/thumbnails/42.jpg)
5.) What’s the role of the endoplasmic reticulum
(ER)?• Makes lipids and other
materials for use inside and outside the cell
• “internal delivery system” of the cell
• Releases proteins made in the ribosomes
![Page 43: Cells: The basic units of life. 1.) What is a cell?](https://reader035.vdocuments.net/reader035/viewer/2022081517/5a4d1bd87f8b9ab0599dac6e/html5/thumbnails/43.jpg)
MITOCHONDRIA: Powerhouse
![Page 44: Cells: The basic units of life. 1.) What is a cell?](https://reader035.vdocuments.net/reader035/viewer/2022081517/5a4d1bd87f8b9ab0599dac6e/html5/thumbnails/44.jpg)
6.) What’s the role of the mitochondria?
• Powerhouse of the cell• Contains two membranes• Location where food molecules are “burned,” broken down to release energy
![Page 45: Cells: The basic units of life. 1.) What is a cell?](https://reader035.vdocuments.net/reader035/viewer/2022081517/5a4d1bd87f8b9ab0599dac6e/html5/thumbnails/45.jpg)
CHLOROPLASTS: Powerhouse in Plants
![Page 46: Cells: The basic units of life. 1.) What is a cell?](https://reader035.vdocuments.net/reader035/viewer/2022081517/5a4d1bd87f8b9ab0599dac6e/html5/thumbnails/46.jpg)
7.) What is the role of chloroplasts?
• Only found in plants and algae
• Contain chlorophyll – chemical that traps energy from sunlight and uses it to make sugar (photosynthesis).
![Page 47: Cells: The basic units of life. 1.) What is a cell?](https://reader035.vdocuments.net/reader035/viewer/2022081517/5a4d1bd87f8b9ab0599dac6e/html5/thumbnails/47.jpg)
GOLGI COMPLEX: Packaging Department
![Page 48: Cells: The basic units of life. 1.) What is a cell?](https://reader035.vdocuments.net/reader035/viewer/2022081517/5a4d1bd87f8b9ab0599dac6e/html5/thumbnails/48.jpg)
8.) What role does the Golgi Complex play?
• Processes proteins and lipids from the ER.
• Modifies them and sends them to parts of the cell or sends them out of the cell.
![Page 49: Cells: The basic units of life. 1.) What is a cell?](https://reader035.vdocuments.net/reader035/viewer/2022081517/5a4d1bd87f8b9ab0599dac6e/html5/thumbnails/49.jpg)
VACUOLE: Storage Center in Plants
![Page 50: Cells: The basic units of life. 1.) What is a cell?](https://reader035.vdocuments.net/reader035/viewer/2022081517/5a4d1bd87f8b9ab0599dac6e/html5/thumbnails/50.jpg)
9. What is the role of the vacuole in plant cells?
• Found only in plant cells• Store water and other liquids• Used for cell support
–When loses water plant wilts
![Page 51: Cells: The basic units of life. 1.) What is a cell?](https://reader035.vdocuments.net/reader035/viewer/2022081517/5a4d1bd87f8b9ab0599dac6e/html5/thumbnails/51.jpg)
LYSOSOMES: Packages of Destruction
![Page 52: Cells: The basic units of life. 1.) What is a cell?](https://reader035.vdocuments.net/reader035/viewer/2022081517/5a4d1bd87f8b9ab0599dac6e/html5/thumbnails/52.jpg)
10. What role do lysosomes play in the cell?• Destroy damaged organelles
• Gets rid of waste materials • Protects cell from foreign invaders