NR507 Week 2 Quiz Study Guide Cellular Structure and Function: • Fluid Mosaic Model (plasma membrane) – composed of lipids, proteins, and carbohydrates in a bilayer arrangement. o Not static... , always moving o Functions: Protection and maintenance of cell shape (lipids & proteins) Formation of a selective transport system (proteins) Cellular metabolism (proteins/enzymes) Cell-to-cell recognition and interaction, including ability to bind ligands (hormones, cytokines, neurotransmitters) medications, and even pathogens (proteins & carbohydrates) Cell-to-cell adhesion (proteins) • Structure of the cell along with their functions o Cytoplasm – physical space that the cell occupies; main site for protein synthesis and degradation o Organelles: Nucleus – contains the genetic material DNA, that has the genetic instructions for everything that the cell will need to make to function Ribosomes – make proteins to form the structure and enzymes, the functional unit for the cell Peroxisome/lysosome – loaded with digestive enzymes and substances to break down not only cellular waste but foreign material that enters the cell. Mitochondrion – power supply of the cell; energy cells needs is ATP; energy used for protein synthesis Golgi Apparatus – membrane-type structures that will take the material produced in the ribosome and ******************************CONTINUES>>>>>>>>>>>>>>>>> [Show More]
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