Which skin problem can be caused by excessive rubbing of the skin
a. folliculitis
b. furuncle
c. carbuncle
Ans: a. folliculitis
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The only role of modulator molecules is to enhance the binding affinity of the functional site of an allosteric protein.
Answer the following statement true (T) or false (F)
Red blood cell production is regulated by the hormone
A) cobalamin. B) erythropoietin. C) M-CSF. D) thymosin. E) angiotensin I.
The ________ neck of the humerus marks the position of the former epiphyseal plate.
Fill in the blank(s) with the appropriate word(s).
The muscle weakness of myasthenia gravis results from
A) insufficient acetylcholine release from presynaptic vesicles. B) loss of acetylcholine receptors in the end-plate membrane. C) the motor neuron action potential being too small to shock the muscle fibers. D) excessive acetylcholinesterase that destroys the neurotransmitter. E) All of the answers probably contribute to the muscle weakness.