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- QUESTION 9 All of the following are related to the Basal Lamina EXCEPT: O Integrin Proteins OLaminin O Collagen IV O Proteoglycans All of the above are relatedQuestion 19 What do all types of muscle tissue have in common? interactions between actin and myosin a response that can be consciously controlled cells that lengthen when appropriately stimulated O striated banding patterns seen under the microscopeSkeletal muscle is composed of very hard working cells. Which organelles do you expect to find in abundance in skeletal muscle cell? nuclei striations golgi bodies mitochondria
- QUESTION 6 Which of the following is NOT an example of an intermediate filament? A Neurofilaments in neuronal cells B Keratins in epithelial cells C Nuclear lamins in most cells D Laminin in the basement membrane E Vimentin in fibroblast cellsQuestion 9 of 16 Which of the following causes the merging of synaptic vesicles with the synaptic knob membrane and the subsequent exocytosis of ACh? Select the correct response: exit of Cl- from the synaptic knob entry and binding of Na+ to synaptic vesicles exit of K+ from the synaptic knob entry and binding of acetylcholinesterase to synaptic vesicles entry and binding of Ca2+ to synaptic vesiclesQuestion 1. How does the molecular structure of a keratin filament increase the tensile strength of an epithelial cell layer?
- Match the following terms with the correct numbers in the figure below Sarc oplasmic reticulum Nucleus Buiging. biceps 8. Muscle 7. Mitochondrion-L 6. "Sheath surrounding 4. the muscle fiber 3.QUESTION 16 Where are you most likely to find this tissue? O Dermis of skin O Beneath the skin and around certain organs (i.e. kidney) O In walls of blood vessels, the Gl tract, and reproductive systems O Tendons, ligaments, and aponeuroses O Skeletal muscles O The heart wallCombining your knowledge of rates of diffusion with yourknowledge of muscle physiology, explain why it is advantageousfor oxidative muscle fibers (which depend on aerobic metabolismto generate ATP) to have smaller diameters than glycolyticmuscle fibers have.
- Question 2 of 16 The relatively light portion of the A band of skeletal muscle Select the correct response: is light because of the presence of thin filaments. has thick filaments but no thin filaments. is the location of the Z disc. marks the boundary between successive sarcomeres.No plagiarism How do cells of the three types of muscle tissues differ from one another anatomically? Explain. What do striated mean relative to muscle cells? Explain.QUESTION 12 1. Many features of the skin of vertebrates are formed from which substance? Cartilage Hydroxy apatite Muscle Keratin Collagen