Author Question: In order to identify the many smells in the world: a. humans have a separate receptor for each ... (Read 31 times)

NguyenJ

  • Hero Member
  • *****
  • Posts: 516
In order to identify the many smells in the world:
 
  a. humans have a separate receptor for each smell.
  b. humans have only one type of receptor which binds to all odorants and then the higher order processing in the brain determines the smell.
  c. humans have different receptors that bind to different odorants and the activity patterns created by these bindings are what is interpreted as different smells.
  d. humans have two receptor types, one for irritant odors and one for pleasant odors.

Question 2

When an odorant binds to olfactory receptors:
 
  a. a depolarization occurs.
  b. sodium channels close.
  c. potassium channels open.
  d. a hyperpolarization occurs.



mcinincha279

  • Sr. Member
  • ****
  • Posts: 316
Answer to Question 1

Answer: C

Answer to Question 2

Answer: A



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

Signs of depression include feeling sad most of the time for 2 weeks or longer; loss of interest in things normally enjoyed; lack of energy; sleep and appetite disturbances; weight changes; feelings of hopelessness, helplessness, or worthlessness; an inability to make decisions; and thoughts of death and suicide.

Did you know?

Children of people with alcoholism are more inclined to drink alcohol or use hard drugs. In fact, they are 400 times more likely to use hard drugs than those who do not have a family history of alcohol addiction.

Did you know?

Nearly 31 million adults in America have a total cholesterol level that is more than 240 mg per dL.

Did you know?

In the United States, congenital cytomegalovirus causes one child to become disabled almost every hour. CMV is the leading preventable viral cause of development disability in newborns. These disabilities include hearing or vision loss, and cerebral palsy.

Did you know?

When blood is exposed to air, it clots. Heparin allows the blood to come in direct contact with air without clotting.

For a complete list of videos, visit our video library