SFU BPK 105 OL cell structures and functions Exam Questions With Correct Answers

SFU BPK 105 OL cell structures and
functions Exam Questions With Correct
Answers

what are the 7 organelles contributing to the main functions of the cell?
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- CORRECT ANSWER✔✔-1. nucleus
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2. ribosomes
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3. rough ER
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4. smooth ER
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5. golgi body
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6. secretory vesicles
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7. mitochondria
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list 3 reasons why some types of molecules move easily across the cell
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membrane while others require complex transport mechanisms -
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CORRECT ANSWER✔✔-concentration gradients | |




water soluble vs. lipid soluble
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too large to pass through membrane
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, bone and muscle cells are so different in form and structure, how do
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they develop and become so specialized? - CORRECT ANSWER✔✔-
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differentiation specializes the cells | | | |




different segments of DNA are activated which stimulate growth of
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more specialized cells
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what is the cytoskeleton for? - CORRECT ANSWER✔✔-protein
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scaffolding for internal framework | | | |




holds organelles in place and allows for shape change
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list 2 main functions of the nucleus - CORRECT ANSWER✔✔-contains
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DNA and nucleoli, site of RNA synthesis
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what are the function of ribosomes - CORRECT ANSWER✔✔-protein
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synthesis


what is the function of the rough ER - CORRECT ANSWER✔✔-site of
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protein synthesis, ribosomes attached
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what are 2 functions of the smooth ER - CORRECT ANSWER✔✔-site of
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lipid synthesis, helps in detoxification
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what is the function of the golgi body - CORRECT ANSWER✔✔-modifies
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protein stricture and packages them in secretory vesicles
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