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Biology Chap.4.1-4.2

Biology Chap.4.1

The smallest unit that can carry on all o the processes of life Cell
A three rule theory that states: 1. All living organisms are composed of one or more cells 2. Cells are the basic units of structure and function in an organism 3. Cells come only from the reproduction of living cells Cell Theory
The cell's outer boundary that acts as a barrier between the inside and outside of a cell, aka. cell membrane Plasma Membrane
The region of the cell that is within the plasma membrane and that includes the fluid, cytoskeleton and all of the organelles except the nucleus Cytoplasm
The part of the cytoplasm that includes molecules and small particles like ribosomes but not membrane-bound organelles Cytosol
A membrane-bound organelle that contains a cell's DNA Nucleus
Organisms that lack a membrane -bound nucleus and membrane-bound organelles Prokaryote
Organisms made up of one or more cells that have a nucleus and membrane-bound organelles Eukaryote
Subcellular structures that are well-defined, intracellular bodies that perform specific functions for the cell Organelle
A group of similar cells and their products that carry out a specific function is called a tissue Tissue
Groups of tissues that perform a particular job in an organism Organ
A group of organs that accomplish related tasks Organ System
Created by: EmilyEdwards



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