A Salmon Follows a Scent Trail Upstream to Find Its

question 43

Multiple Choice

A salmon follows a scent trail upstream to find its way back to the stream where it hatched. What type of sensory receptor cell would it use?

• A) thermoreceptors
• B) mechanoreceptors
• C) chemoreceptors
• D) electroreceptors
• E) nociceptors

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Definitions:

Sarcolemma

The cell membrane of a muscle fiber (cell), crucial for muscle contraction and signal transmission.

Muscle Fiber

A single muscle cell, known for its elongated shape, that makes up skeletal muscles and is responsible for contracting to produce movement.

Plasma Membrane

A selectively permeable lipid bilayer that encloses the cytoplasm of a cell, protecting it from the external environment.

Resting Membrane Potential

The voltage difference across the cell membrane when the cell is in an unstimulated, resting state, crucial for the function of nerve and muscle cells.