Recent evidence shows that individual chromosomes

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17) Recent evidence shows that individual chromosomes occupy fairly defined territories within the nucleus. Given the structure and location of the following parts of the nucleus, which would be more probably involved in chromosome location? A) nuclear pores B) the nucleolus C) the outer lipid bilayer D) the nuclear lamina E) the nuclear matrix Answer: E Topic: Concept 6.3 Skill: Synthesis/Evaluation 18) Under which of the following conditions would you expect to find a cell with a predominance of free ribosomes? 19) Which type of organelle is primarily involved in the synthesis of oils, phospholipids, and steroids?
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6 20) Which structure is the site of the synthesis of proteins that may be exported from the cell? 21) The Golgi apparatus has a polarity or sidedness to its structure and function. Which of the following statements correctly describes this polarity? A) Transport vesicles fuse with one side of the Golgi and leave from the opposite side. B) Proteins in the membrane of the Golgi may be sorted and modified as they move from one side of the Golgi to the other. C) Lipids in the membrane of the Golgi may be sorted and modified as they move from one side of the Golgi to the other. D) Soluble proteins in the cisternae (interior) of the Golgi may be sorted and modified as they move from one side of the Golgi to the other. E) All of the above correctly describe polar characteristics of the Golgi function. Answer: E Topic: Concept 6.4 Skill: Knowledge/Comprehension 22) The fact that the outer membrane of the nuclear envelope has bound ribosomes allows one to most reliably conclude that
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