Cells 1

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Parts of the Eukaryotic Cell
Cell Membrane
Selectively permeable = only certain things can enter/exit the cell
Cytoplasm
Contain the organelles of the cell
Nucleus
stores the hereditary information in its DNA; controls the cell
Nuclear Membrane
Double membrane that surrounds the nucleus, has nuclear pores
Nucleolus
Site where ribosomes are made
Mitochondria
Sites of chemical reactions – convert energy to ATP
Ribosomes
Most numerous organelle
Synthesize proteins
Endoplasmic Reticulum (ER)
Functions as a highway along which molecules move from one part of the cell to another
Two types:
1) Rough ER (has ribosomes)
2) Smooth ER (no ribosomes)
Golgi Apparatus
The processing, packaging, and secreting organelle of the cell
Lysosomes
Organelles that enclose enzymes that digest stuff
Microtubules
Contributes to the support, movement, and division of the cell
Flagella
Whipping action propels cells and makes them move
Cell Wall
Rigidity helps support and protect the plant cell
Vacuole
Fluid filled organelle that stores enzymes, metabolic wastes, and water
Chloroplast
Used to trap energy of sunlight during photosynthesis with chlorophyll
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