Answer:
The tuba
Explanation:
The tuba produces sound by vibrating or buzzing the lips into a large cupped mouth piece. It produces different pitches by changing the mouthpiece.
Answer:
cheetah golden eagle white throated needletail Swift
Answer:
C. The upper part of the water column represents areas of high sunlight penetration.
Explanation:
I just took the test and checked my answers.
Answer:
Binding of <u>ACh (acetylcholine) </u> to receptors (ligand-gated) on the sarcolemma at the neuromuscular junction is vital for depolarization of the muscle fiber.
Explanation:
It allows acetylcholine to be released into this synapse when an action potential hits a neuromuscular junction. Acetylcholine attaches to the nicotinic receptors localized on the post-synaptic membrane of the muscle fibre's motor end plate, a specialized region.
Hence , the answer is <u>ACh (acetylcholine) .</u>
