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22 Cards in this Set

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  • Back
CELL
The basic unit of structure and function in living things.
CELL MEMBRANE
A cell structure that controls which substances that can enter or leave the cell. It protects the cell.
CELL THEORY
All living things are made up of cells.
Cells are the basic unit of structure and function in living things
All cells are produced from other cells.
CELL WALL
A rigid layer of material that surrounds the
cells of plants and provides support.
CHROMATIN
Contains the genetic material, the instructions that direct the functions of the cell.
MITOCHONDRIA
The powerhouses of the cell -- they produce the energy the cell needs. They are in animal and plant cells
ORGANELLES
Different parts of the cell that produce energy, build and transport needed materials and store and recycle wastes
NUCLEUS
The cell's control center -- directs all of the cells activities.
CYTOPLASM
Regiion between the cell membrane and the nucleus which is filled with think, gel-like fluid.
ENDOPLASMIC RETICULUM
Passageways that carry proteins and other materials from one part of the cell to the other.
RIBOSOMES
Small grain-like bodies that produce proteins.
GOLGI BODIES
Receive proteins and other materials from the endoplasmic reticulum, package them and distribute them to the other parts of the cell.
VACUOLES
Sacs that are storage areas of the cell. Plants usually have one large one. Animal cells have small ones or none at all.
LYSOSOMES
Small round structures that contain chemicals to break down large food particles into smaller ones. More common in animal cells than in plant cells.
MICROSCOPE
An instrument that makes small objects look larger.
COMPOUND MICROSCOPE
A light microscope that has more than one lens.
MAGNIFICATION
Ability to make things look larger than they are by bending the light that passes through a lens.
CONVEX LENS
A lens with a curved shape.
RESOLUTION
The ability of clearly see the individual parts of an object.
NUCLEAR MEMBRANE
The membrane that protects the nucleus.
CHLOROPLAST
A structure in plant cells that converts the sun's rays into energy. It is usually green in color.
NUCLEOLUS
A structure that makes ribosomes. It is inside the cell's nucleus