Author Question: Why are dark green vegetables such as kale and spinach good sources of vitamin A? A) They contain ... (Read 60 times)

luvbio

  • Hero Member
  • *****
  • Posts: 623
Why are dark green vegetables such as kale and spinach good sources of vitamin A?
 
  A) They contain abundant beta-carotene, a precursor of retinol.
  B) They contain the most abundant preformed vitamin A.
  C) They contain vitamin C precursors of retinol.
  D) They are fortified with vitamin A.

Question 2

A group of fat-soluble plant pigments that are the basis for the orange, red, and deep-yellow
  colors of many fruits and vegetables are called
 
  A) prooxidants. B) carotenoids. C) provitamins. D) chlorophylls.



morrie123456

  • Sr. Member
  • ****
  • Posts: 314
Answer to Question 1

A

Answer to Question 2

B



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

Although puberty usually occurs in the early teenage years, the world's youngest parents were two Chinese children who had their first baby when they were 8 and 9 years of age.

Did you know?

Side effects from substance abuse include nausea, dehydration, reduced productivitiy, and dependence. Though these effects usually worsen over time, the constant need for the substance often overcomes rational thinking.

Did you know?

Drug-induced pharmacodynamic effects manifested in older adults include drug-induced renal toxicity, which can be a major factor when these adults are experiencing other kidney problems.

Did you know?

Giardia is one of the most common intestinal parasites worldwide, and infects up to 20% of the world population, mostly in poorer countries with inadequate sanitation. Infections are most common in children, though chronic Giardia is more common in adults.

Did you know?

About 100 new prescription or over-the-counter drugs come into the U.S. market every year.

For a complete list of videos, visit our video library