The plant version of vitamin D is known as
a. ergocalciferol.
b. foliocalciferol.
c. cholecalciferol.
d. phyllocalciferol.
e. xanthociferol.
Question 2
Which of the following is a characteristic of vitamin A in foods?
a. Fast foods are generally considered good sources of vitamin A.
b. Arctic explorers who have eaten large quantities of polar bear liver have become ill with symptoms suggesting vitamin A toxicity.
c. Xanthophylls in certain vegetables can be converted to active vitamin A in the liver.
d. Chlorophyll in vegetables can be converted to active vitamin A in the intestinal cells.
e. Pregnant women should eat at least one ounce of beef liver per day to help ensure normal fetal eye development.
Details of plant population biology from repeat photography: (a) saguaro cactus in MacDougal Crater,
Focusing in on the location of photosynthesis in a plant.
Acid Rain and Power Plant Emissions
VITAMIN C
Interphase in Plant and Animal Cells