This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: Approximately what percentage of the body's vitamin A stores are found in the liver? a. 20 b. 50 ... (Read 109 times)

dmcintosh

  • Hero Member
  • *****
  • Posts: 517
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.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

alexanderhamilton

  • Sr. Member
  • ****
  • Posts: 334
Reply #1 on: Aug 20, 2018
Answer to Question 1

ANS: E

Answer to Question 2

ANS: A


dmcintosh

  • Member
  • Posts: 517
Reply 2 on: Aug 20, 2018
Excellent

aliotak

  • Member
  • Posts: 326
Reply 3 on: Yesterday
:D TYSM

« previous next »
 

Did you know?

Ether was used widely for surgeries but became less popular because of its flammability and its tendency to cause vomiting. In England, it was quickly replaced by chloroform, but this agent caused many deaths and lost popularity.

Did you know?

In 2012, nearly 24 milliion Americans, aged 12 and older, had abused an illicit drug, according to the National Institute on Drug Abuse (NIDA).

Did you know?

Certain rare plants containing cyanide include apricot pits and a type of potato called cassava. Fortunately, only chronic or massive ingestion of any of these plants can lead to serious poisoning.

Did you know?

Intradermal injections are somewhat difficult to correctly administer because the skin layers are so thin that it is easy to accidentally punch through to the deeper subcutaneous layer.

Did you know?

It is widely believed that giving a daily oral dose of aspirin to heart attack patients improves their chances of survival because the aspirin blocks the formation of new blood clots.

human body human body
Elements found in the element cube Elements found in the element cube
The Body as Mapped on the Motor Cortex and Somatosensory Cortex The Body as Mapped on the Motor Cortex and Somatosensory Cortex
Various types of cells within the human body. Various types of cells within the human body.
Your Body Works to Metabolize Alcohol Your Body Works to Metabolize Alcohol
Dermatomes of body, posterior view Dermatomes of body, posterior view
Video: Five phases of cardiac cycle & Atrial contraction

For a complete list of videos, visit our video library