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Jennascience

TermDefinition
Prokaryote Organisms whose cells lack a nucleus and membrane bound organelles.
Eukaryote Organisms whose cells have an distinct nucleus and organelles .
Unicellular Having one cell.
Multicellular Having more than one cell.
Cell Theory All living things are made of cells. The cell is the unit of structure and function in living things. All new cells come from previously existing cells.
Cell Wall A protective layer that surrounds the cell membrane of plant cells.
Cell Membrane A thin, flexible outer layer that holds the cell together and controls which materials can enter and leave the cell.
Organelle A structure inside the cell that carries out a certain function.
Cytoplasm The fluid that that fills most space in a cell.
Nucleus Controls the cell.
Nucleolus Contains all the DNA in the cell, makes ribosomes.
Mitochondria The power house of the cell. It takes in fuel and changes it into a substance the cell can use for energy.
Vacuole Stores materials inside the cell.
Chloroplast Are the organelles that make food for the cell. ( only in plant cells)
Ribosome Makes proteins.
Smooth ER A transitional area for vesicles.
Rough ER Manufactures membranes and proteins.
Golgi Body Packages proteins inside the cell.
Lysosome Breaks down materials.
Turgor Pressure The pressure exerted by water inside the cell against the cell wall.
Endocrine System Secretes hormones that regulate body functions.
Immune System Protects against disease.
Lymphatic System A system of vessels assisting the veins in recovering the body's tissue fluids and returning them to the heart.
Homozygous Same allele.
Heterozygous Different allele.
Created by: Jenna0822
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