A positive feedback system regulates testosterone production.
Answer the following statement true (T) or false (F)
False
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The portion of the nephron that empties into the collecting duct is the
A) nephron loop (loop of Henle). B) proximal convoluted tubule. C) distal convoluted tubule. D) papillary tubule. E) calyx.
Answer the following statement(s) true (T) or false (F)
1. the sodium-potassium pump is involved in establishing the resting membrane potential. 2. the nerve impulse is an electrical current that travels along dendrites or axons. 3. the sodium-potassium pump is involved in establishing the RMP 4. The voltage-gated potassium channels close before the membrane potential is brought back to its resting level. 5. receptors that bind the neurotransmitter at the postsynaptic cell membrane are voltage-gated.
The presence of mitochondria and myoglobin facilitate _________ respiration in muscle cells
A. aerobic B. anaerobic
Structures that can be either exteroceptors or proprioceptors include:
A. Meissener's Corpuscle B. Tactile Disc C. Paciman Corpuscle D. Ruffini ending