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Cell
Cell Structures
46
Science
7th Grade
01/22/2010

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Term
Cell Wall
Definition
the rigid, porous outer layerof a plant cell.
Term
Centriole
Definition
a bundle of microtubes that helps organize the movement of chromosomes during cell division
Term
Chloroplast
Definition
an organelle that converts the radiant energy of the Sun into chemical energy through the process of photosynthesis
Term
Chloroplast
Definition
an organelle that converts the radiant energy from the Sun into chemical evergy through the process of photosynthesis.
Term
Cytoplasm
Definition
a jelly-like substance, composed mainly of water, occupying most of the space between the cell membrane and the nucleus
Term
Cytoplasm
Definition
a jelly-like substance, composed mainly of water, occupying most of the space between the cell membrane and the nucleus.
Term
Endoplasmic Reticulum
Definition
a network of passageways in which chemical compounds are manufactured, processed, and transported.
Term
Endoplasmic Reticulum
Definition
a network of passage ways in which chemical compounds are manufactured, processed, and transported
Term
Golgi Apparatus
Definition
a stack of membranes that collects, modifies, and packages chemical compounds.
Term
Golgi apparatus
Definition
a stack of membranes thst collects, modifies, and packages chemical compounds
Term
Lysosome
Definition
a small sac that contains digestive chemicals.
Term
Lysosome
Definition
a small sac that contains digestive materials
Term
mitochondria
Definition
organelles that, using oxygen, convert nutrients into energy that can be used by the cell.
Term
Mitochondria
Definition
organelles that, using oxygen, convert nutrients into energy that can be used by the cell
Term
Mitochondria
Definition
organelles that, using oxygen, convert nutrients into energy that can be used by the cell
Term
Nuclear Envelope
Definition
a double-layered membrane that surrounds and portects the nucleus.
Term
Nuclear Envelope
Definition
a double-layered the surrounds and protects the nucleus
Term
Nucleolus
Definition
a small body in the nucleus where ribosomes are synthesized.
Term
Nucleolus
Definition
a small body in the nucleus where ribosomes are synthesized
Term
Nucleolus
Definition
a small body in the nucleus where ribosomes are synthesized.
Term
Nucleolus
Definition
a small body in the nucleus where ribosomes are synthesized.
Term
Nucleus
Definition
a round body in the center of the cell that contains DNA and directs the cell's activities
Term
Nucleus
Definition
a round body in the center of the cell that contains DNA and directs the cell's activites.
Term
Nucleus
Definition
a round body in the center of the cell that contains DNA and directs the cell's activites.
Term
Organelle
Definition
a cell structure that performs a specific function
Term
Organelle
Definition
a cell structure that performs a specific function
Term
Organelle
Definition
a cell structure that performs a specific function.
Term
Plasma Membrane
Definition
a double-layered membrane that surrounds the cell, also called the CELL MEMBRANE, it regulates what enters and leaves the cell
Term
Plasma Membrane
Definition
a double-layered membrane that surrounds the cell. Also called the Cell Membrane, it regulates what enters and leaves the cell.
Term
Plasma Membrane
Definition
a double-layered membrane that surrounds the cell. Also called the Cell Membrane, it regulates what enters and leaves the cell.
Term
Plasma Membrane
Definition
a double-layered membrane that surrounds the cell. Also called the Cell Membrane, it regulates what enters and leaves the cell.
Term
Plasma Membrane
Definition
a double-layered membrane that surrounds the cell. Also called the Cell Membrane, it regulates what enters and leaves the cell.
Term
Plastid
Definition
small structure that can store food(LEUCOPLAST) or pigment (CHROMOPLAST)
Term
Ribosome
Definition
tiny structure where proteins are synthesized
Term
Ribosome
Definition
tiny structure where proteins are synthesized
Term
Plastid
Definition
small structure that can store food (leucoplast) or pigment (chromoplast).
Term
Ribosome
Definition
tiny structure where proteins are synthesized
Term
Ribosome
Definition
tiny structure where protiens are synthesized.
Term
Vacuole
Definition
sac that stores water, nutrients, and other chemicals, the large vacuole found in plant cells help the cells to maintain their shape
Term
Vesicle
Definition
small package of nutrients or proteins crated by the Golgo apparatus
Term
Vacuole
Definition
sac that stores water, nutrients, and other chemicals. The large vacuole found in plant cells helps the cells maintain their shape.
Term
Vacuole
Definition
sac that stores water, nutrients, and other chemicals. The large vacuole found in plant cells helps the cells maintain their shape.
Term
Vacuole
Definition
sac that stores water, nutrients, and other chemicals. The large vacuole found in plant cells helps the cells maintain their shape.
Term
Vacuole
Definition
sac that stores water, nutrients, and other chemicals. The large vacuole found in plant cells helps the cells maintain their shape.
Term
Vacuole
Definition
sac that stores water, nutrients, and other chemicals. The large vacuole found in plant cells helps the cells maintain their shape.
Term
Vesicle
Definition
small package of nutrients or proteins created by the Golgi Apparatus.
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