At which sites is the inactive form of vitamin D converted to the ...

[sc00by25]

At which sites is the inactive form of vitamin D converted to the active form?
 
  A) in the stomach and then in the small intestine B) in the liver and then in the kidneys
  C) in the liver and then in the gallbladder D) in the blood and then in the skin

Question 2

Observational research is defined as
 
  A) an idea generated by scientists based on their observations.
  B) a process that involves looking at factors in two or more groups of subjects to see if there is a relationship to certain outcomes.
  C) a stepwise process used by scientists to evaluate different observational techniques.
  D) a process involving one group of subjects that receives a specific treatment and a second group of subjects that does not receive the treatment.

[javimendoza7]

Answer to Question 1

B

Answer to Question 2

B

[sc00by25]

Excellent

[Sarahjh]

Gracias!