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Camille's Cell Flashcards(:
cells,etc.......
19
Science
7th Grade
01/22/2010

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Term
Cell Wall
Definition
the rigid, porous outer layer ofa plant cell
Term
Centriole
Definition
a bundle of michrotubles the helps organize the movement of chromosones 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
Cytoplasm
Definition
a jelly-like substance, composed mostly of water, occupying most of the space between thecell membrane and the nucleus
Term
Endoplasmic Reticulum(ER)
Definition
a network of passageways in which chemical compounds are manufactured, processed, and transported
Term
Golgi Apparatus(Golgi Body)
Definition
a stack of membranes that collects, modifies, and packages chemical compounds
Term
Lysosome
Definition
a small sac that contains digestive chemials
Term
Mitochondria
Definition
organelles that, using oxygen, converts nutrient into energy that can be used by the cell
Term
Nuclear Envelope
Definition
a double-layered membrane that surronds and protects the nucleus
Term
Nucleolus
Definition
a small body in the nucleus where ribosomes are synthesizeed
Term
Nucleus
Definition
a round body in the center of the cell that contains DNA and directs the cell's activities
Term
Organelle
Definition
a cell structure that performs a specific function
Term
Plasma Membrane (Cell Membrane)
Definition
a double-layered membrane thats surronds the cell and regulates what enters and leaves the cell
Term
Plastid
Definition
a small structure that can store food or pigment
Term
Ribosome
Definition
tiny structures where proteins are synthesized
Term
Vacuole
Definition
sac that stores water, nutrients, and other chemicals. the large vacoule found in plant cells help the cell maintain its shape
Term
Vesicle
Definition
small package of nutrients and proteins created by the Golgi Bodies
Term
Eukaryotic
Definition
contain organelles surronded by membranes, and are most living things
Term
Prokaryotic
Definition
don't have structures surronded by membranes, has few interial structures, and are one-celled organism (bacteria,etc.....)
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