3 - organelles
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10 Terms
Centrioles
Hollow cylinders made of ring of 9 protein mictrotubules
Help form spindle in nuclear division
Help with transport in cell cytoplasm
Every animal cell has one pair
Mitochondria
Site of later stages of aerobic respiration
Inner of 2 membranes golden, cristae = projections
Nucleus
Envelope of 2 membranes - nuclear pores
Has chromosomes and nucleolus
Chromosomes made of DNA have genes
Nucleolus
Dense body in nucleus
Ribosomes made here
Rough endoplasmic reticulum
Stacked, membrane-bound, flattened sacs
Ribosomes attached to outer surface
Proteins transported through
Ribsosomes
Made of RNA + protein
Found free in cytoplasm/attached to rER
Site of protein synthesis
Cell surface membrane
Phospholipid bilayer
Partially permeable barrier
Smooth endoplasmic reticulum
No attached ribosomes
Makes lipids + steroids (reproductive hormones)
Golgi apparatus
Stacked, membrane-bound, flattened sacs
Formed by fusion of vesicles from ER
Modifies proteins, packages for transport
Lysosomes
Sacs with digestive enzymes
Breakdown of unwanted structures in cell
