Biology Flashcards
(8 cards)
What does the Cell Theory state
The cell theory states that; all living things are made up of cells, cells are the basic unit of life, and all cells come from other pre-existing cells
What is a Prokaryote
A cell that does not contain a nucleus or other membrane bound organelles
What is a Eukaryote
A cell that contains a nucleus and other organelles, each surrounded by a thin membrane
What is an organelle
A cell structure that performs a specific function for the cell (eg. cytoplasm, nucleus, mitochondria, and vacuoles)
Which are larger? Eukaryote cells or Prokaryote cells
Eukaryote cells
4 things all cells need
A source of energy, nutrients, water, and gases
Necrosis vs. Apoptosis
Necrosis is uncontrolled cell death caused by injury, leading to cell swelling, rupture, and inflammation.
Apoptosis is programmed cell death, where cells shrink and are removed cleanly without causing inflammation.
