Breathing muscles such as the diaphragm are controlled by neurons of the ________ nervous system.
A. somatic
B. enteric
C. autonomic
Answer: A
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Closure of the fontanels is typically complete around the age of
A) puberty. B) six months. C) two years. D) one year. E) 10 years.
The formation of ____ is the final step in the transformation of light energy into the chemical energy of a biologically usable form
a. DNA b. glucose c. RNA d. ATP
Select all that are required for translation to occur.A) DNAB) RNA PolymeraseC) mRNAD) tRNA
What will be an ideal response?
The plateau phase of an action potential
A. allows cardiac muscle cells to contract and then relax without locking up. B. leads to tetanic contractions in smooth and skeletal muscle. C. allows cardiac muscle cells to exhibit synchronous fibrillation. D. occurs only in skeletal muscle and makes those fibers' contractions most forceful.