Why might increasing levels of tryptophan in the blood not increase brain serotonin levels?
A) It doesn't matter how much tryptophan is present, serotonin is made at a constant rate from brain stores of tryptophan.
B) Tryptophan cannot cross the blood-brain barrier under any circumstances.
C) Tryptophan competes with other amino acids for transport across the blood-brain barrier.
D) Insulin is required for transport of tryptophan across the blood-brain barrier.
Correct Answer:
Verified
Q1: Another name for serotonin is
A) 5-hydroxytryptophan.
B) tryptophan.
C)
Q2: What type of meal is most likely
Q4: Researchers study the effects of serotonin depletion
Q5: One potential consequence of administration of an
Q6: All of the following can increase the
Q7: The activity of serotonergic neurons in humans
Q8: Later generation drugs used to treat schizophrenia,
Q9: 5,7-Dihydroxytryptamine (5,7-DHT)
A) is a metabolite of serotonin.
B)
Q10: Which method(s) can be used to produce
Q11: In mice with a knockout of the
Unlock this Answer For Free Now!
View this answer and more for free by performing one of the following actions
Scan the QR code to install the App and get 2 free unlocks
Unlock quizzes for free by uploading documents