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20 terms

Cell Structure

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eukaryote
A cell that contains a true nucleus and membrane bound organelles
prokaryote
A unicellular organism that lacks a nucleus and membrane bound organelles
organelle
specialized cell structure that performs a specific function with in the cell
cytoplasm
the liquid portion of the cell in which all organelles are found
nucleus
the control center of the cell
nuceolus
a region of the nucleus that produces ribosomes (rRNA)
nuclear envelope
A double membrane that surrounds the nucleus in the cell
chromatin
long strands of DNA found in the eukaryotic cell nucleus; condense to form chromosomes
chromosome
condensed threads of genetic material formed from chromatin as a cell prepares to divide
ribosome
An organelle that functions in the synthesis of proteins
endoplasmic reiculum
pathways to transport materials throughout the cell, helps process proteins and move them to the golgi
golgi body
organelles that package cellular materials and transport them within the cell or out of the cell
lysosome
cell organelle filled with enzymes needed to break down certain materials in the cell
mitochondria
Powerhouse of the cell, organelle that is the site of ATP (energy) production
vacuole
storage structures for food, water, minerals, waste, very large in plants due to the storage of water reserves
chloroplast
organelle found in cells of plants and some other organisms that captures the energy from sunlight and converts it into chemical energy
cytoskeleton
a network of fibers that holds the cell together, helps the cell to keep its shape, and aids in movement
centriole
structure in an animal cell that helps to organize cell division
cell membrane
controls what comes in and out of the cell
cell wall
strong layer around the cell membrane in plants, algae, and some bacteria