Which of the following does not impede the regeneration of CNS axons?
A. Scar tissue may form, obstructing regrowth.
B. Oligodendrocytes do not release a nerve growth factor.
C. CNS axons lack the myelin sheath needed for regeneration.
D. No exceptions; all of the choices impede axon regeneration.
Answer: C
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The portion of the sternum first seen on CT axial images arranged in descending order is the manubrium.
Answer the following statement true (T) or false (F)
Which of the choices below describes the ANS?
A) motor fibers that conduct nerve impulses from the CNS to smooth muscle, cardiac muscle, and glands B) motor fibers that conduct nerve impulses from the CNS to skeletal muscles C) sensory neurons that convey information from somatic receptors in the head, body wall, and limbs and from receptors from the special senses of vision, hearing, taste, and smell to the CNS D) sensory and motor neurons that supply the digestive tract
The intensity or ____________________ of a sound depends on the ____________________ of the sound waves
Fill in the blank(s) with correct word
What type of covalent bond is formed between amino acid molecules during protein synthesis?
A. electrovalent bond B. amino bond C. peptide bond D. hydrogen bond E. primary bond