What is the primary communication system that assesses the body's status in relation to its environment and relays appropriate commands to tissues/organs?
A) endocrine system
B) nervous system
C) vascular system
D) respiratory system
Question 2
What amino acid plays an important role in controlling toxicity from ammonia released during amino acid catabolism by the glutamate dehydrogenase reaction?
A) glutamine
B) glycine
C) serine
D) valine