quizzes for test 2 biology

quizzes for test 2 biology - FtsZ, MreB, and CreS proteins...

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FtsZ, MreB, and CreS proteins regulate the architecture of bacterial (prokaryotes) cells. These proteins are homologous to what structure in eukaryotes? Correct Answer: cytoskeleton Which of the statements about the synthesis of polypeptides (proteins) is INCORRECT? Correct Answer: The synthesis of proteins is a catabolic process. Which of the following is NOT true for cilia or flagella? Correct Answer: They are composed of microfilaments. Due to the lack of an enzyme to break down lipids, excess accumulation of lipids in the brain leads to a human disease called Tay Sachs syndrome. Which organelle is likely to be the one that lacks the proper enzyme needed for lipid breakdown? Correct Answer: lysosome Question 5 0 out of 1 points Which of the following is INCORRECT about ribosome biosynthesis and structure? Correct Answer: All components of the ribosome are produced in the cytosol. Question 6 0 out of 1 points This cytoskeletal structure is composed of actin and regulates cell shape, cell movement, and muscle contraction. Correct Answer: microfilaments Question 7 0 out of 1 points In animal cells microtubules grow from which structure? Correct Answer: centrosomes containing centrioles Question 8 0 out of 1 points Which would be the most accurate endomembrane route through which a protein is secreted from a cell?
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Correct Answer: rough endoplasmic reticulum το€ Golgi apparatus το vesicles το plasma membrane Question 9 0 out of 1 points Photosynthetic bacterial membranes are located in the Correct Answer: plasma membrane Question 10 0 out of 1 points ___________ is the motor protein associated with movement of cellular
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This note was uploaded on 04/18/2008 for the course BIOLOGY 101 taught by Professor Dr.v during the Spring '08 term at Tulane.

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quizzes for test 2 biology - FtsZ, MreB, and CreS proteins...

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