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Bio Sections

Sections 2.1& 3.1

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
Created by: Jasmine Kaur