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Cell

6th grade science Cell Unit

TermDefinition
Cell The basic unit of structure and function of living things.
Microscope An instrument that makes small objects look larger.
Compound microscope A light microscope that has more than one lens.
Cell Theory A widely accepted explanation of the relationship between cells and living things.
Magnification The ability to make things look larger.
Convex lens a curved lens in which the center is thicker than the edges.
Resolution The ability to clearly distinguish the individual parts of an object.
Organelle A tiny cell structure that carries out a specific function within the cell.
Cell Wall A rigid layer of nonliving material that surrounds the cells of plans and some other organism.
Cell Membrane A cell structure that controls which substances can enter or leave the cell.
Nucleus A cell structured that contains nucleic acids, the chemical instructions that direct all the cells activities.
Chromatin Material in cells that contain DNA and carries genetic information.
Cytoplasm The region between the cell membrane and the nucleus in organisms without a nucleus the region located inside the cell membrane.
Mitochondria Rod-shaped cell structures that produce most of the energy needed to carry out the cell function.
Endoplasmic Reticulum A cell structure that forms a maze of passageways in which protein and other materials are carried from one part of the cell to another.
Ribosome A small grain-like structure in the cytoplasm of a cell where proteins are made.
Golgi Body A structure in a cell that receives proteins and other newly formed materials from the endoplasmic reticulum, packages them and distributes them to other parts of the cell.
Chloroplast A structure in the cells of plants and some other organisms that captures energy from sunlight and uses it to produce food.
Vacuole A water-filled sac inside a cell that acts as a storage area.
Lysosome A small round cell structure that contains chemical that breaks down large food particles into smaller ones.
DNA Dexribo Nucleic Acid; the genetic material that carriers information about an organism and is passed from parent to offspring.
Created by: Mrs. Gersper
 

 



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