Cardiac muscle has prolonged contraction due to a sodium induced-calcium released process into the cytoplasm of the cell. Cardiac cells can communicate through pore-like channels between cells. List the junction and the organelle involved in cardiac muscle contraction?
A. Adherens; Golgi apparatus
B. Adherens; Rough ER
C. Adherens; Smooth ER
D. Gap; Golgi apparatus
E. Gap; Rough ER
F. Gap; Smooth ER
F. Gap; Smooth ER
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Which is NOT an example of a stimulus sensed by an interoceptor?
A. temperature B. vibration C. pain D. magnetism E. touch
Over time, how do skeletal muscle cells respond to regular weight-lifting exercise?
A) They get larger, making the overall muscle bigger. B) They multiply, making the overall muscle bigger. C) They are able to contract for longer periods of time. D) They contain more actin and less myosin.
This method of generating energy has in the past resulted in accidents that in turn cause cancer
A) hydroelectric B) geothermal C) nuclear energy D) biofuels
The term that describes the diffusion of water is:
A) simple diffusion. B) osmosis. C) equilibrium. D) facilitated diffusion. E) active transport.