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Science Vocab

QuestionAnswer
The basic unit of structure and function in living things. cell
An instrument that makes smaller things look larger. microscope
A widely accepted explanation of the relationship between cells and living things. cell theory
A rigid supporting layer that surrounds the cells of plants and some other organisms. cell wall
A thin, flexible barrier that surrounds a cell and controls which substances pass in and out of a cell. cell membrane
In cells, a large oval organelle that contains the cells genetic material in the form of DNA and controls many of the cells activities. nucleus
A tiny cell structure that carries out a specific function within the cell. organelle
A small grain - shaped organelle in the cytoplasm of a cell the produces proteins. ribosome
The thick fluid region of a cell located inside the cell membrane or between the cell membrane and nucleus. cyptoplasm
Rob - shaped organelles that convert energy in food molecules to energy the cell can use to carry out its functions. mitochondria
An organelle that forms a maze of passageways in which proteins and other materials are carried from one part of the cell to another. endoplasmic reticulum
An organelle 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. Golgi apperatus
A sac - like organelle that stores water, food, and other materials. vacuole
An organelle in the cells of plants and some other organisms that captures energy from sunlight and changes it to an energy form that cells can use in making food. chloroplast
A cell organelle which contains chemicals that break down large food particles into smaller ones and that can be used by the rest of the cell. lysosome
consisting of many cells multicellular
made of a single cell unicellular
A group of similar cells that perform a specific function. tissue
A body structure that is composed of different kinds of tissues that work together. organ
A group of organs that work together to perform a major function. organ system
Created by: avabca
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