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89
7. detachable molecules
8. best-known function
9. derive
10. shorten
11. water-soluble
12. fat-soluble
13. normal growth
14. periodically
15. differing schedules
Task 3.Answer the questions.
1. What is vitamin?
2. Can vitamins be synthesized in sufficient quantities by an
organism?
3. Where are vitamins obtained from?
4. How many vitamins are universally recognized at present?
5. How are vitamins classified?
6. What biochemical functions of vitamins do you know?
7. What does the term vitamin mean?
8. Who is the author of this term?
9. How many fat-soluble and water-soluble vitamins are there in
humans?
10. What are vitamins essential for?
11. How must humans consume vitamins to avoid deficiency?
12. What happens when vitamins are overdosed?
Task 4. Match the English sentences to their Russian
equivalents.
1. An organic chemical com-
pound is called a vitamin when it
cannot be synthesized in suffi-
cient quantities by an organism,
and must be obtained from the di-
et.
а. Витамины, возможно, менее
тесно связаны с катализаторами
ферментов