ch 9-12 questions and answers

ch 9-12 questions and answers - Ch 9-The Cytoskeleton 1 The...

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Ch. 9—The Cytoskeleton: 1. The _________ is a filamentous member of the cytoskeleton. intermediate filaments microtubules actin 2. The hollow tubular structures that functions in the mitotic spindle during cell divisions are __________. microtubules intermediate filaments microfilaments tubulin actin 3. Microtubules can ______________. provide mechanical support be used to transport vesicles in long axons help maintain cell shape in plant cell walls all of the above 4. ____________ moves to the plus end of a microtubule. Dynein Centriole Kinesin Dynactin Myosin 5. The peripheral doublet of the microtubules in the axoneme are made of _________________. 2 incomplete microtubules 2 complete microtubules 2 microtubules in the shape of number 8 one complete microtubule and one partial microtubule 6. _______________ are strong, ropelike fibers that provide mechanical strength to the cells. Intermediate filaments Microtubules Actin Myosin
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Microfilaments 7. The I band in a sacromers is made up of __________________. actin myosin actin and myosin attachments between two sarcomere 8. The movement of ______________________ in the groove of actin allows for the attachment of myosin heads. dynein calcium ions kinesin tropomyosin troponin 9. Movement of a cell along a surface is propelled by a protrusion of the cell surface called a _________. flagella lamellipodium stereocilia cilia filapodia 10. The H zone of the sarcomere is made up of ______________. actin and myosin
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This note was uploaded on 04/08/2008 for the course BIO 201 taught by Professor Janicke during the Spring '08 term at SUNY Buffalo.

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ch 9-12 questions and answers - Ch 9-The Cytoskeleton 1 The...

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