📌 Organisms may be unicellular, consisting of a single cell, or multicellular, consisting of many cells.
📌 New cells form only through the division of pre-existing cells.
All living things are made of cells.
The foundation of Cell Theory consists of:
The three C principles: Cells compose life, Cells carry out life, Cells come from Cells
1. What is the primary function of the cell membrane?
2. Which statement expresses a central principle of cell theory?
3. A cell is growing and preparing to reproduce; which structure coordinates these activities?
What are all living things made of?
Cells
What are the three principles forming the foundation of Cell Theory?
Living things are made of cells, cells are basic life units, and cells come from pre-existing cells
What is the main function of the cell membrane?
It selectively controls what enters and leaves the cell.
What does the nucleus contain and control?
It contains DNA and controls cell activities.
Cell
Basic unit of all living organisms.
Cell membrane
Controls entry and exit of substances.
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