# Учебно-методическое пособие по английскому языку для вузов. Кислякова Н.В - 14 стр.

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14
UNIT 5
I. Match the following Russian words with their English equivalents.
источник nitrogenous
сложные белки respiration metabolism
разбавленный envi
ronmental changes
дыхательный обмен to coagulate
изменения условий внешней среды film
коллоидное состояние source
проба на белок conjugated proteins
пленка dilute
свертывать(ся);сворачиваться colloidal state
азотный test for protein
II. Form the idea of the left definition in one word given on the right and
complete the following sentences.
1. It is a substance found in food and drink such as 1. soluble
meat, eggs and milk.
2. It consists of cells that are similar to each other 2. molecule
and that have the same function.
3. It is how a substance that dissolves in a particular
solvent called. 3. main
4. It is the smallest amount of a chemical substance 4. tissue
which can exist by itself.
5. It is the thing which is the most important one of 5. protein
several similar things.
1 ... have a great variety of structures and functions.
2. Proteins form an essential part of all living ....
3. Albumins are ... in water.
4. Amino-acids form ... of colloidal dimension.
5. The ... function of proteins is to serve as a source of raw materials.
III. Read and translate the text.
                                      UNIT 5

I. Match the following Russian words with their English equivalents.

источник                                          nitrogenous
сложные белки                                     respiration metabolism
разбавленный                                      environmental changes
дыхательный обмен                                to coagulate
изменения условий внешней среды                  film
коллоидное состояние                             source
проба на белок                                   conjugated proteins
пленка                                           dilute
свертывать(ся);сворачиваться                      colloidal state
азотный                                           test for protein

II. Form the idea of the left definition in one word given on the right and
complete the following sentences.
1. It is a substance found in food and drink such as            1. soluble
meat, eggs and milk.
2. It consists of cells that are similar to each other          2. molecule
and that have the same function.
3. It is how a substance that dissolves in a particular
solvent called.                                              3. main
4. It is the smallest amount of a chemical substance            4. tissue
which can exist by itself.
5. It is the thing which is the most important one of           5. protein
several similar things.

1 ... have a great variety of structures and functions.
2. Proteins form an essential part of all living ....
3. Albumins are ... in water.
4. Amino-acids form ... of colloidal dimension.
5. The ... function of proteins is to serve as a source of raw materials.