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Ex. 18. Do you agree, disagree or partially agree with the statements below:

1. Millions of cells and the substances between them compose the human body. 2. The cell consists of the plasma membrane, enzymes, and cytoplasm. 3. The plasma membrane is the inner component of a cell. 4. The plasma membrane consists of lipids, proteins, and carbohydrates. 5. The function of the plasma membrane is to play a role in the regulation of DNA function. 6. The nucleus is a hollow tubule composed primarily of protein units. 7. The nuclear envelope is composed of two membranes separated by a space. 8. DNA is the hereditary material of the cell. 9. The cellular material outside the nucleus but inside the plasma membrane is osteoclast. 10. The cytoskeleton increases the mechanical stability and flexibility of the plasma membrane.

Ex. 19. Match the following terms with their definitions:

1. Cell

1. Cell membrane; outermost component of the cell, surrounding and banding the rest of cell contents.

2. Plasma membrane

2. Basic living subunit of all living things.

3. Nuclear envelope

3. Protein that acts as a catalyst.

4. Nucleus

4. Macromolecule consisting of long sequences of amino acids linked together by peptide bonds.

5. Cytoplasm

5. Protoplasm of the cell surrounding the nucleus.

6. Lipid

6. Monosaccharide (simple sugar) or organic molecules composed of monosaccharides bound together by chemical bonds.

7. Protein

7. Cell organelle containing most of genetic material of the cell.

8. Carbohydrate

8. Substance composed principally of carbon, oxygen, and hydrogen; contains a lower ratio of oxygen to carbon and is less polar than carbohydrates.

9. Nuclear pores

9. Any foreign or other substance containing the nucleus.

10. Cytoplasmic inclusion

10. Specialized part of a cell serving one or more specific individual functions.

11. Organelle

11. Pore-like openings in the nuclear envelope where the inner and outer membranes fuse.

12. Enzyme

12. Double membrane structure surrounding and enclosing the nucleus.

Ex. 20. Write out key words of the text "Cell".

Ex. 21. Compose the plan to the text "Cell".

Ex. 22. Narrate the text "Cell".

These phrases will help you to narrate the text:

The text describes ...

I’d like to start with a description of ...

It is important to point out that …

Let me pass to the description of ...

The author makes it clear that…

In conclusion let me remind again that …

It is necessary to make further investigation

of …

У тексті описується ...

Я хотів би розпочати з опису ...

Важливо вказати, що ...

Дозвольте перейти до опису ...

Автор чітко стверджує, що ...

На завершення дозвольте нагадати знову, що ...

Необхідно здійснити подальше дослідження ...

Ex. 23. Make up a dialogue "The Structure of the Cell".

Ex. 24. Read and translate the following text:

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