Exam 2 BIO - Exam 2 1. a. ribosomes b. nucleoid region c....

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Exam 2 1. a. ribosomes b. nucleoid region c. nuclear envelope d. organelles e. nucleolus 2. a. prokaryote; a nucleoid region b. prokaryote; a membrane-bound nucleus c. eukaryote; a membrane-bound nucleus d. eukaryote; a nucleolus e. animal; a nucleoid region 3. a. both have cells with smooth and rough endoplasmic reticulum, cytosol, ribosomes, lysosomes, plasmodesmata, and a cytoskeleton b. both have mitochondria c. both have cells that are unhappy in an isotonic environment d. al of the above are correct e. none are correct MATCHING 4. Extracellular matrix- D. Helps hold cells together and can have protective and supporting functions such as anchoring junctions in animals. 5. Cytoskeleton- E. meshwork of protein fibers which extend throughout the cytoplasm, and provide support and various kinds of cell movement. 6. Rough ER- A. Flattened sacs that manufactures membranes and modifies proteins for transport to organelles or secretion by the cell; studded with ribosomes 7. Lysosome- B. digestive compartments within the cell enclosed in a membranous sac and thus are isolated from the rest of the cytoplasm 8. Cell Wall- C. Composed of cellulose; contains plasmodesmata through which cells share water, nutrients, chemical messages 9. Cells tend to be small (mostly microscopic) to ensure a sufficient surface area across which nutrients and wastes can move. A smaller cell has a _______ ratio of surface area
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This note was uploaded on 04/07/2008 for the course BIOL 1101 taught by Professor Sbergamo during the Winter '07 term at Gainesville State.

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Exam 2 BIO - Exam 2 1. a. ribosomes b. nucleoid region c....

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