Each skeletal muscle fiber is controlled by a motor neuron at a single
A) synaptic knob.
B) sarcomere.
C) neuromuscular junction.
D) synaptic cleft.
E) transverse tubule.
C
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The dosage levels of drugs prescribed for older adults must be adjusted to compensate for _____.?
A) ?decreased number of nephrons B) ?loss of muscle tone in the urinary bladder C) ?decline in filtration rate in the glomerulus D) ?increased incidence of incontinence
The hyoid bone is unique because it ________
A) is the only bone of the body that does not directly articulate with any other bone B) is an irregular bone C) belongs to both the axial and appendicular skeletons D) has no specific function E) largely consists of cartilage
After pepsinogen is activated, it
a. autocatalytically activates more pepsinogen b. activates pancreatic enzymes in the duodenum after gastric emptying has occurred c. inhibits the pyloric gland area in a negative-feedback fashion d. does a and b e. does none of the above
Proteins are described as having different levels of structure. List and distinguish between the level(s) that produce a linear shape vs. a globular shape, and explain why one of those levels can result in either a linear or globular shape.
What will be an ideal response?