What activates memory cells?
A) An encounter with an antigen
B) An encounter with mast cells
C) Cells that have undergone partial differentiation
D) Stem cells
Answer: A
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Approximately when in development does the bilaminar germinal disc begins to form?
A. Day 8 B. Day 32 C. Week 8 D. Week 24
____________________ fibers of the autonomic nerve pathway are located partially in the central nervous system
Fill in the blank(s) with correct word
Which statement accurately compares the motor systems of the somatic nervous system (SNS) and autonomic nervous system (ANS)?
A. The SNS does not have ganglia for its motor neurons but the ANS does. B. The ANS does not have ganglia for its motor neurons but the SNS does. C. Both the SNS and the ANS house their motor neurons in ganglia. D. Neither the SNS nor the ANS houses its motor neurons in ganglia.
Choose the answer that best describes fibrous proteins
A) rarely exhibit secondary structure B) are usually called enzymes C) are cellular catalysts D) are very stable and insoluble in water