4. Language development.

1. Запитання до тексту

1. What are proteins? 2. Where do proteins occur? 3. In what form do plants usually store proteins? 4. Where does man derive part of his protein? 5. What are important sources of animal protein food? 6. What place does protein rank among the organic compounds? 7. fn what fluids of the body are proteins absent? 8. What mechanical elements of living cells do proteins account for? 9. What do we call simpler units from which proteins are built? 10. What happens if there is a lack of protein in the bod} ? 11. Are proteins always of the same composition? 12. What are the main groups of proteins? Characterize each of them. 13. Give examples of the substances possessing therapeutic activity. 14. What do you know about poisonous plant and animal proteins? 15. By what means does each specific kind of protein adopt its specific overall structure?

2. Доповніть речення інформацією з тексту:

1. Plants usually store proteins in the form of... .

2. Man derives part of his protein from such vegetables as... .

3. Important sources of animal protein foods are... .

4 Proteins are present in all fluids of the body, except... .

5. Proteins are built from simpler units called... ,

6. A lack of protein lowers the body’s... .

?. 7. We mast use a varied diet to get. proteins necessary for.,. .

8. Protein structure is... .

9. Relatively few isolated proteins are employed as... .

10. Each specific kind of protein adopts a specific overall structure

Fats and oils

I. Active vocabulary.

Ester - ефір складний

Excess – надлишок

(noo)braoehed –(не)розгалудженийй

to recover - відновлювати

to predominate - пересаджувати

com - зерно

saponification - омилення

to saponify - омилювати

digestion - тарвлення

standpoint - точка зору

to preserve = to conserve - зберігати

fuel - паливо

starvation - голод

to deposit – запасати

2. Lead in. Work with the text.

1. Визначте частину мови поданих слів та перекладіть їх на українську мову:

a) administration,, protection, solution, oxidation, preparation, distribution, prescription, dilution, fertilization, cultivation, intoxication, destruction, substitution, elimination, estimation, saponification, medication;

b) supply, purify, fertilize, estimate, appreciate, isolate, classify, predominate, identify, clarify, neutralize, sterilize, magnify, solidify;

c) gradually, accurately, rapidly, slightly, readily, frequently, easily, slowly, usually, directly, naturally.

2. Перекладіть речення за зразком, звертаючи увагу на емфатичні конструкції:

Mode! I: It was Mendeleyev who gave і he world the Periodic Law.— Саме Менделєєв дав світу періодичний закон. ModeІ 2: I do know this man very well.— Я дійсно знаю цього чоловіка дуже добре.

І. It was Darwin who suggested a hypothesis of man's origin. 2. It is this article that describes proteins. 3. It’s this scientist who made these biological tests. 4. It was not until 1911 that the first theory of atomic structure was suggested. 5. We did carry out this synthesis ourselves. 6. Water does dissolve some substances

readily. 7. This drug does have a strong pharmacological effect 8. A synthesis of

these compounds did give a good yield of final products. 9. This metal does con­duct electricity well.

2. Прочитайте і перекладіть на українську мову слова та словосполучення:

extracted from cells and tissues; derived from plants and animals; the method of isolation; a catchhall for molecules; long-chain carboxylic acids; storehouse of energy; liquid; solid: solvent; liquid oil; nonbranched molecules; unsaturated fatty acid; oleic acid; linoleic acid; nucleic acid; digestive process; to yield the heat; adipose tissue; to prevent the loss of heat; abdominal organs; injury.