4. Speaking.

1. Запитання до тексту

1. What elements do carbohydrates consist of? 2. Where can carbohydrates be found? 3. What is the molecular formulas of carbohydrates? 4. What typical carbohydrates can you name? 5. What classifications of carbohydrates do you know? 6. What are monosacharides? 7. Where do monosaccharides occur? 8. Why is it important to discover glucose in foods? 9. W^That is glycosuria? 10. What do you know about sucrose and lactose?

2. Заповніть пропуски словами, поданими в дужках (abundant; occur;

sweeteners; backbone; metabolize):

1. Carbohydrates are the structural ... of RNA and DNA.

2. Glucose ... in blood and body fluids. 3. Glucose is a monosaccharide which is the most ... organic compound in nature.

2. Glucose is ... directly by the human body. 5. The alditols are used as ... industrially.

3. Скажіть, твердження вірні чи ні?

1. Carbohydrate is an organic compound. 2. Starch is a crystalline solid. 3. We classify carbohydrates according to the number of saccharide groups. 4. The amount of glucose in blood increases after meals. 5. Disaccha- rides are important as food substances.

Proteins

1. Active vocabulary.

Urine - сеча

to account for - зжовувати tendon - сухожилля linkage - ланцюг conjugated - складний gland - залоза

serum - сироватка

venom - отрута

to twist - скручуватися

to fold - згортатися

overall structure -конфігурація to mince - здрібнювати

to poor - наливати

spongy - губчастий

lustrous - блискучий translusent - прозорий

to digest – перетравлювати

2. Lead in. Work with the text.

. 1. Розгляньте слова одного кореня. Визначте словотворчі компоненти. Перекладіть слова на українську мову.

А) stable — stability — stabilize; create — creator — creative — uncreative; treat — treatment — treating — retreating; store storing — storage; oxygen — oxide — dioxide — oxygen-free; mix — mixture — admixture; taste — last і ess —• tasteful — tasty; solve — solvent — soluble — unsoluble — solution — solubility; sterile — sterilize — sterilization; toxic — toxication — intoxication — toxicity;

b) nitrogen — nitrogenous, poison — poisonous, cell — cellular — subcellular, division — subdivision, toxin — antitixin, protein — proteinaceous. allergen — allergic, twist — twisting.

2.Прочитайте складносурядні речення. Визначте тип сурядності та перекладіть їх на українську мову.

1. Proteins are built from simpler units, and these units are called amino acids. 2. Students of pharmaceutical institute not only study theoretical subjects, but they have a lot of practical classes. 3. You'd better Jake , ihese pills or you’ll feel worse. 4, They tried to

do their best to pass the examination., but they failed, 5. It is very

important for people to obtain different proteins, and there are many sources of them in nature.

3.Складіть h двох речень одне складносурядне, використовуючи різні сполучники сурядності:

Model: I must hurry. ГП miss the train.— / must hurry, or

Fit miss the train.

1. Proteins occur in plants, They are easily isolated in crystalline form. 2. Proteins are essential constituents of all living cells. A lack of proteins lowers the body's resistance to disease. 3. Protein structure is not elegant. It is also very complex. 4. You should take the medicine twice a day after meals. You'll never recover.