Author Question: How many different forms of vitamin A are active in the body? a. one b. two c. three d. five ... (Read 16 times)

jjjetplane

  • Hero Member
  • *****
  • Posts: 556
How many different forms of vitamin A are active in the body?
 
  a. one
  b. two
  c. three
  d. five
  e. seven

Question 2

Which of the following food substances can be converted to vitamin A in the body?
 
  a. Tryptophan
  b. Chlorophyll
  c. Xanthophyll
  d. Beta-carotene
  e. Phylloquinone



bimper21

  • Sr. Member
  • ****
  • Posts: 309
Answer to Question 1

ANS: C

Answer to Question 2

ANS: D



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

Russia has the highest death rate from cardiovascular disease followed by the Ukraine, Romania, Hungary, and Poland.

Did you know?

After 5 years of being diagnosed with rheumatoid arthritis, one every three patients will no longer be able to work.

Did you know?

The first successful kidney transplant was performed in 1954 and occurred in Boston. A kidney from an identical twin was transplanted into his dying brother's body and was not rejected because it did not appear foreign to his body.

Did you know?

In the ancient and medieval periods, dysentery killed about ? of all babies before they reach 12 months of age. The disease was transferred through contaminated drinking water, because there was no way to adequately dispose of sewage, which contaminated the water.

Did you know?

The heart is located in the center of the chest, with part of it tipped slightly so that it taps against the left side of the chest.

For a complete list of videos, visit our video library