Question | Answer |
How was the cell theory formed? | Through the discoveries of Robert Hooke, Anton van Leeuwenhoek, Matthias Schleiden, Theodore Schwann, and Rudolf Virchow. |
Why are cells called cells? | Hooke thought that cells looked like cells in monasteries. |
Who discovered the cell theory? | Multiple scientists over the years. |
What is the cell theory? | One of the first unifying concepts in Biology |
What does the cell theory state? | All cells come from cells
All living things are made of cells
Cells are the most basic unit of life |
What are atoms? | Most basic unit of matter |
What are elements? | 1 type of atom; cannot be broken down any further |
How do ions form? | Atoms that gain/lose electrons |
What is a molecule? | 2+ atoms held together by a covalent bond |
How is a covalent bond formed? | atoms share a pair of electrons |
How does an ionic bond form? | forms through the electrical force between oppositely charged ions |
What is a compound? | substance made of atoms of different elements bonded together in a certain ratio |
What is the difference between eukaryotic and prokaryotic cells? | eukaryotic cells have membrane-bound organelles and a nucleus
prokaryotic cells don't have membrane-bound organelles or a nucleus |
What are organelles? | cell parts |
What are atoms made up of? | protons, neutrons, and electrons |