Examlex
Which of the following traits do archaeans and bacteria share?
Sarcolemmas
The cell membranes of muscle fibers that enclose the cytoplasm and organelles of muscle cells.
Motor Unit
A single motor neuron and all of the muscle fibers it innervates, working together to produce a contraction.
Neuromuscular Junction
The point of contact between a motor neuron and the muscle fiber it controls, crucial for muscle contraction.
Axon Terminal
The endpoint of a neuron's axon where neurotransmitters are released to send signals to other neurons or muscles.
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