Chapter 3 Review Questions.docx - Chapter 3 Review...

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Chapter 3 Review Questions 1. Three main cell structures are plasma membrane, cytoplasm and organelles. 2. The communication function of plasma membrane is selectivity permeable and regulates which regulates molecules are allowed to enter and exit he cell. The transportation function of plasma membrane protein molecules may be anchored to one or both sides of the membrane. The identification makers, allowing cells to determine the identity of other cells with which they come into contact. 3. Endoplasmic reticulum is really a network of canals and sac made off the cell membrane it extends from the nucleus throughout the cytosol to the plasma membrane. Ribosomes translate the genetic code into proteins. Golgi apparatus processes and packages proteins, is made up of small flattened sacs. Mitochondria are bounded by two membranes that form a sac-within-a-sac structure. Lysosomes can digest invading particles such as those from bacteria or viral infections.

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