« previous next »

Author Question: If tryptophan is given in large amounts, it a. is unlikely to have much effect on the brain ... (Read 46 times)

laurencescou

  • Hero Member
  • *****
  • Posts: 593
on: Jun 22, 2018
If tryptophan is given in large amounts, it
 
  a. is unlikely to have much effect on the brain unless consumed with the proper mixture of other nutrients
  b. generally produces profound alterations in brain functions
  c. can increase the synthesis of acetylcholine
  d. can reverse the deficits of Alzheimer's disease

Question 2

Which of the following is a criterion for a brain chemical being a neurotransmitter?
 
  a. it should be found in presynaptic neurons
  b. there should be mechanisms for terminating its actions
  c. when the presynaptic neuron is stimulated, the chemical should be found in the synaptic cleft
  d. all of the above


okolip

  • Sr. Member
  • ****
  • Posts: 362
Reply #1 on: Jun 22, 2018
Answer to Question 1

a

Answer to Question 2

v


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

As the western states of America were settled, pioneers often had to drink rancid water from ponds and other sources. This often resulted in chronic diarrhea, causing many cases of dehydration and death that could have been avoided if clean water had been available.

Did you know?

The tallest man ever known was Robert Wadlow, an American, who reached the height of 8 feet 11 inches. He died at age 26 years from an infection caused by the immense weight of his body (491 pounds) and the stress on his leg bones and muscles.

Did you know?

Although the Roman numeral for the number 4 has always been taught to have been "IV," according to historians, the ancient Romans probably used "IIII" most of the time. This is partially backed up by the fact that early grandfather clocks displayed IIII for the number 4 instead of IV. Early clockmakers apparently thought that the IIII balanced out the VIII (used for the number 8) on the clock face and that it just looked better.

Did you know?

When Gabriel Fahrenheit invented the first mercury thermometer, he called "zero degrees" the lowest temperature he was able to attain with a mixture of ice and salt. For the upper point of his scale, he used 96°, which he measured as normal human body temperature (we know it to be 98.6° today because of more accurate thermometers).

Did you know?

As many as 28% of hospitalized patients requiring mechanical ventilators to help them breathe (for more than 48 hours) will develop ventilator-associated pneumonia. Current therapy involves intravenous antibiotics, but new antibiotics that can be inhaled (and more directly treat the infection) are being developed.

The inheritance of snail coiling direction as an example of a maternal effect gene. The inheritance of snail coiling direction as an example of a maternal effect gene.
(A) The levels of the spinal cord and spinal nerves. (B) Photograph of the spinal cord as it descend (A) The levels of the spinal cord and spinal nerves. (B) Photograph of the spinal cord as it descend
In a craniotomy, a portion of the skull and overlying scalp is pulled back to allow access to the br In a craniotomy, a portion of the skull and overlying scalp is pulled back to allow access to the br
Women who are monozygotic twins and have the same genes are more similar in their marital happiness Women who are monozygotic twins and have the same genes are more similar in their marital happiness
Effect of an Increase in gA,2 on Productivity and Output Effect of an Increase in gA,2 on Productivity and Output
Location of brain lesions in Alzheimer disease. Plaques are concentrated most heavily in the amygdal Location of brain lesions in Alzheimer disease. Plaques are concentrated most heavily in the amygdal
Video: Lipid digestion - mouth, stomach and small intestine

For a complete list of videos, visit our video library