1. What happens when a cell is depleted of ATP? (Select all that apply!) Muscle cells will contract more quickly. Intermediate filaments cannot assemble. Kinesin and dynein cannot move along microtubules. Myosin cannot move along microfilaments. G-actin cannot polymerize 2. Which of the following are components of the axoneme? (Select all that apply!) Cytoplasmic dynein A central pair of microtubules Nine microtubule doublets Radial spokes Nine microtubule triplets Nexin links
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Step 1: When a cell is depleted of ATP, kinesin and dynein cannot move along microtubules, myosin cannot move along microfilaments, and G-actin cannot polymerize. Show more…
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1. Does not form by polymerization of a particular subunit: 2. Found in cilia and flagella: 3. Important for maintaining cell shape: 4. Found only in mitochondria: 5. Made of actin subunits: 6. Made of tubulin subunits: 7. Is tissue-specific: 8. Forms spindle fibers in mitosis: 9. Important in muscle contraction: 10. Is made of carbohydrates: 11. Associates with kinesin and dynein motor proteins: 12. Associates with Myosin motor proteins:
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6. Microtubules are the cellular structures that allow for movement of the organelles within the cell. A) true. B) false 7. In many types of tissues, a/an _______________ holds the individual cells together in a flexible, but sturdy sheet. A) tight junction B) plasmodesmata C) adhesion junction D) cell wall E) centriole 8. Within the chloroplast, the pigments that capture solar energy are located in the stroma. A) true B) false.
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Microtubules (A) form the cleavage furrow in a dividing cell (B) enable an amoeba to send out a pseudopod (C) are made of actin and help support the shape of a cell (D) are hollow tubes that make up cilia and flagella (E) are made of myosin and are key to skeletal muscle contraction
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