Do our cells contain the same information as our society, and how does that shape our personal identity?
Name one type of cell found in the human body?
Cells are the basic units of life, found in all organisms. Cells are made up of different parts, with their own specific roles. Cells work together to allow organisms to survive and reproduce.
The Basics of Cells
Cell Theory: A scientific theory that states that all living things are composed of cells, cells are the basic unit of life, and all cells come from pre-existing cells. Cell Membrane: A thin layer of protein and fat that surrounds the cells and controls what substances enter and exit the cell. Organelles: Structures within the cell that have specific functions, such as mitochondria which are responsible for energy production.
Cells contain tiny organelles called ribosomes that are responsible for making proteins from the instructions in the DNA. Cells can communicate with each other using chemical signals called hormones. The nucleus of a cell is the most important part, as it contains the genetic information that controls the activities of the cell.
Did you know?
What differences exist between prokaryotic and eukaryotic cells?
What functions do organelles have within a cell?
What do you think are the most important components of a cell?
What new information did you learn about cells during this lesson?
Brain break: Draw a banana flying through the clouds wearing a cape
Question: What would happen if a cell's membrane was damaged? Clues: • The cell would no longer be able to control what substances enter and leave. • It would be vulnerable to attack and changes in its environment. • It could not perform its usual functions. In pairs: Select and solve one of the tasks: A. Work in pairs to draw a diagram of a healthy cell and a damaged cell. B. Explain the differences between the two cells and how they affect the cell's function.
What is the basic unit of life?
What is the main purpose of the cell wall?
- Provide structure
- Protect the cell
- Store nutrients
- Create energy
What organelle functions to package proteins?
- Golgi Apparatus
- Endoplasmic Reticulum
What type of cell is a plant cell?
What is the primary energy source for most cells?
Work together in pairs: What are the three main components of a cell and what is the role of each component?