Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN: 9780134580999
Author: Elaine N. Marieb, Katja N. Hoehn
Publisher: PEARSON
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Describe the structure of actin and microfilaments.
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- Name and describe the function of the two regulatory proteins on the actin thin filament muscle.arrow_forwardGive typed full explanation Regular insulin is ordered IV at 5 units per hour. The IV bag contains 100 units of regular insulin in 100mL of NS. What should the IV rate be?arrow_forwardExplain the structure of dynein and kinesin and how their structures aid in organelle movement within a eukaryotic cell. Explain the structure of a muscle fiber and how the two proteins, actin and myosin, function together to produce movement.arrow_forward
- In general, what is the relationship between membrane fluidity and membrane permeability?arrow_forwardDiscuss the components of a motor unit. What is the difference between a motor unit and a motor nucleus?arrow_forwardCofilin preferentially binds to older actin filamentsand promotes their disassembly. How does cofilin distin-guish old filaments from new ones?arrow_forward
- Is tricellular junction important in cell junction specification? https://en.wikipedia.org/wiki/Cell_junction#:~:text=Cell%20junctions%20(or%20intercellular%20bridges,the%20extracellular%20matrix%20in%20animals.arrow_forwardDescribe the molecular interactions that a cell uses to migrate through extracellular matrix. (use the key terms : actin, integrin, fibronectin)arrow_forwardName two functions each for actin and tubulin.arrow_forward
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