The specific sequence of amino acids in a polypeptide is known as the primary protein structure.
Answer the following statement true (T) or false (F)
True
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The end of the muscle that typically moves when a muscle contracts is called the ________.
What will be an ideal response?
The temperature-sensitive receptors that monitor skin and core temperature are termed ____________________
Fill in the blank(s) with correct word
All of the preganglionic parasympathetic fibers synapse near their effector organs, while all of the preganglionic sympathetic fibers synapse close to the vertebrae.
Answer the following statement true (T) or false (F)
Myasthenia gravis results from the destruction of acetylcholine receptors at the neuromuscular junction, but treatment involves medications that reduce acetylcholinesterase activity. Which statement best explains the effectiveness of these medications?
A. The antibodies destroy some but not all of the acetylcholine receptors, so reducing acetylcholinesterase activity increases the likelihood that acetylcholine will bind to the remaining receptors. B. The antibodies that destroy the acetylcholine receptors are less likely to work if acetylcholinesterase is present. C. Acetylcholinesterase is the substance that destroys the receptors as well, so reducing its activity increases the number of acetylcholine receptors. D. Acetylcholinesterase breaks down the acetylcholine to a substance that can bind to the damaged receptors.