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CellsHelen

TermDefinition
Prokaryote Cells without a membrane bound nucleus.
Eukaryote Cells with a nucleus.
Unicellular One-celled living organism.
Multicellular Many celled living organism.
Cell Theory Cells are the basic unit of all living things; all living things are made up of cells; all cells are made of pre-existing cells.
Cell Wall Rigid structure which surrounds plant cells and provides support.
Cell Membrane Surrounds the cytoplasm of the plant and animal cell; it regulates what can enter and leave the cell.
Organelle Structures that functions a living cell.
Cytoplasm Gel-like liquid that fills the cell; gives structure and suspends the organelles.
Nucleus Control center of the cell; it stores the genetic code in its DNA.
Nucleolus Holds all DNA and plans for the cell and creates ribosomes.
Mitochondria Powerhouse of the cell; it releases energy.
Vacuole Storage unit for water, nutrients, and wastes. The vacuole in the plant cell is much larger than in the animal cell.
Chloroplast Found only in plant cells and contains chlorophyll, which through the process of photosynthesis, converts solar energy into chemical energy in the form of glucose(sugar).
Ribosome Organelle that makes proteins for the cell.
Smooth ER Transports materials and is smooth.
Rough ER Transports materials and is studded with ribosomes.
Golgi Body Controls the import and exports of lipids and protein that was sent from the endoplasmic reticulum.
Lysosome Is made by the Golgi apparatus and contains enzymes that break down waste and old organelles.
Turgor Pressure Pressure exerted on the cell wall of a plant cell from the water contained in the vacuole.
Endocrine System Secrets hormones that regulate body functions.
Immune System Protects the body against disease.
Lymphatic System Part of the circulatory system and drains the body's tissue fluids and returns them to the heart.
Homozygous Pair of identical alleles.
Heterozygous Pair of alleles where one is dominant and the other is recessive.
Created by: HelenGee
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