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Who first used the term “cell”?
Robert Hooke
Which instrument made the discovery of cells possible?
Microscope
State the three main ideas of the Cell Theory.
1. All living things are made up of cells. 🟩 2. Cells are the basic units of structure and function in living things. 🟩 3. New cells are produced from existin
What is the main difference between prokaryotic and eukaryotic cells?
Eukaryotes have a nucleus; prokaryotes do not.
Which type of cells are generally smaller and simpler?
Prokaryotes
Which organelle contains DNA in eukaryotic cells?
Nucleus
What type of microscope uses light and lenses to magnify specimens up to 1000x?
Light microscope
Why can’t electron microscopes view living samples?
Samples must be placed in a vacuum.
What is the difference between TEM and SEM?
TEM shows thin internal structures in 2D; SEM shows surface details in 3D.
What is the jelly-like material inside a cell called?
Cytoplasm
What is the control center of the cell that contains DNA?
Nucleus
What is the function of ribosomes?
To assemble proteins from DNA instructions.
What is the main difference between rough and smooth ER?
Rough ER has ribosomes; smooth ER doesn’t
What is the function of the Golgi apparatus?
To modify, sort, and package proteins for storage or export.
What is the main function of lysosomes?
To break down waste and old organelles.
What is the main function of vacuoles?
To store water, salts, proteins, and carbohydrates.
