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ll T-Mobile LTE 5:41 PM Done 1 of 10 A thick filament can consists of molecules

ID: 3484166 • Letter: L

Question

ll T-Mobile LTE 5:41 PM Done 1 of 10 A thick filament can consists of molecules Myosin b. Actin c Mascle Fiber d Allof the above 7, Js the process, in which act on potentials in the nerve filer lead tocoration nlahe) in the mus - c Excitation Contraction Coupling d. All of the Above Acetylcholine binds eeno Cholinergic Receptor Sites. Cholinergic Receptor sites are most likely found ore a. Cell membrane of a muscle fiber b. Sarcoplasm Nacleus d. None of the Above . Which cation is most directly responsible for excitation-contraction coupling? a. Na" All of the above 10. Most Excitatory Neurotransmitters bind on what toype of channels? a. Chloride Channels Voltage-gated c. Sodium Ligand-gated d. Veltage-gated Calcium Channels 11. A sarcomere length is from one tendon to another tendon b. One ligament to another ligament O The functional unit of a myofibril d All of the above 12. During an isometric contraction, a muscle contracts with-thange in lengesh b. An lecrease c. A Decrease d. None of the above 13. For short term energy needs,glycogen can be broken into a. Myosin b. Actin Glucose d Glycogen 14. An action potential enters the depchs of a muscle fiber by way of Actin Filament b. Myosin Pilament d. Sarcoplasmic Reticulum

Explanation / Answer

5.

b. Action potentials can only encode information as frequency of depolarization.

6.

a. Myosin

7.

c. Excitation Cntraction Coupling

8.

a. Cell membrane of a muscle fiber

9.

c. Ca+

10.

c. Sodium Ligand-gated

11.

c. Th functional unit of a myofibril

12.

a. No

13.

c. Glucose

14.

c. T-tubules