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Transcript
Anatomy & Physiology I Cytology List Cell Structures. Be able to identify the following structures on the models in lab and any diagram of the cell. A. Cell (plasma) Membrane microvilli – increases surface area of the cell membrane enhancing its ability to transport material across by both active processes and passive processes of transport cilia/flagellum – moves either materials along the surface of the cell or moves the whole cell B. Organelles in the cytoplasm mitochondria - produce most of the ATP’s (energy molecules) for the cell smooth endoplasmic reticulum – produces lipid and/or carbohydrates within membrane bound vesicles, usually for secretion rough endoplasmic reticulum – produces proteins within membrane bound vesicles, for secretion or within lysosomes centrosome with centrioles – used to move chromosomes during cell division ribosomes - produces proteins Golgi complex – packages material produced either by the smooth endoplasmic Reticulum or rough endoplasmic reticulum into vesicles to secrete or storage within the cell lysosomes – contains digestive enzymes, used to breakdown “food” that the cell pinocytosed or phagocytosed, or to breakdown old worn out cell organelles C. Nucleus – contains cell’s genetic material (DNA) – controls cell activities nuclear envelope/membrane nuclear pores – allow material to diffuse into and out of the nucleus