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Author Question: Approximately what percentage of the body's vitamin A stores are found in the liver? a. 20 b. 50 ... (Read 77 times)

dmcintosh

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on: Aug 20, 2018
Approximately what percentage of the body's vitamin A stores are found in the liver?
 
  a. 20
  b. 50
  c. 70
  d. 80
  e. 90

Question 2

Which of the following describes an event in the visual response process?
 
  a. Light energy strikes the retina and excites pigments to release retinal.
  b. Light energy strikes the cornea and excites pigments to release retinoic acid.
  c. Visual pigments deep in the brain are excited by light transmitted through the retina.
  d. Epithelial cells on the surface of the eye respond to light energy by transmitting opsin molecules along nerve pathways to the brain.
  e. Retinal in the visual cortex responds to electrical signals from the retina.


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alexanderhamilton

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Reply #1 on: Aug 20, 2018
Answer to Question 1

ANS: E

Answer to Question 2

ANS: A


dmcintosh

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Reply 2 on: Aug 20, 2018
Wow, this really help

nyrave

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Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

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