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Cells and cell parts

The cells and its parts

QuestionAnswer
What is a cell? A cell is the basic unit of all living things
The cell orginization cells >tissues >organs >organ systems
Whats a prokaryote cell? Cells without membrane bound organelles, much smaller in size than eukaryotes and have circular DNA strands. They still have ribosomes to make proteins. EX- bacteria cells
What is a eukaryote cell? cells with membrane bound structures, have linear DNA strands found in a membrane bound nucleus. EX plant, animal, and fungi cells
Organelles are.. smaller parts of eukayotic calls that have a special function
Plasma membrane (Cell membrane) Controls what enters and leaves a cell: structure is a flexible fluid like lipid bilayer, contains proteins that allow for the movement of certain molecules
Cell wall An inflexible barrier that protects and gives plant cells support; Structure-a porous fibrous structure made of cellulose
Nucleus Control center of the cell - contains the directions to make proteins ; Structure - contains chromatin (strands of DNA)
Ribosomes Sites of protein assembly; Structure can be floating or attached to teh surface of a memebrane called the ER, primary component is a RNA molecule
Vacuoles Used for temporary storage of materails or water, much larger in plant cells
Mitochondria Converts glucose into ATP (Energy that can be used by the cell); Structure-rod shaped with an inner membrane that is folded
What is the differences between plant and animal cells? Plant cells have chloroplast, a cell wall and a large vacuole Animal cells lack chloroplast and cell walls and come in many shapes and sizes the structure of an animal cell determines its function
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