The action of vitamin K in the posttranslational synthesis of blood clotting factors occurs in the____.
A) blood
B) liver
C) small intestine
D) bone marrow
Question 2
The elderly are especially vulnerable to suffer from reduced vision due to thickenings that occur to the lenses of the eye known as ____.
A) retinitis
B) keratoids
C) cataracts
D) rhodolipids