9. Виправте помилки:

1. Prehistoric people didn't use plants for medicine.

2. The development of modern botany began from the Renaissance.

3. In the middle of the 18^th century Austrian botanist Gregor Mendel developed a system of naming plants that was eventually accepted as a standard classification system.

4. The study of plant ecology developed from the research on the geographical distribution of plants.

5. The experiment on the breeding of garden peas established the basic laws of heredity.

6. This discovery raised the possibility that sugar and other foods might be made artificially, which would reduce our dependence on plants.

7. Without plants, the concentration of carbon dioxide in the atmo­sphere would fall to the point where human beings and animals suffocate.

10. Заповніть пропуски потрібними словами:

latent, similar, the active compounds, compounds, phytoconstituents, constantly, outside, biological

1. Often it produces a series of structurally related compounds having ... pharmacological properties.

2. The inactive ... may interfere with the action of the active ones or they may be their precursors.

3. The inactive principles may alter the activity of the drug by physi­cal means, for example, they may act as co-solvents of... or delay their absorption or diffusion in the organism.

4. Sometimes intrinsic factors are ... in the plant and only appear as a response to the appropriate external factors.

5. Their biological function is often discussed but the fact is that many of them have a special importance ... the plant because of their pharmacological action.

6. Besides their own essential principles, the so-called primary plant products, plants produce other principles, which apparently do not have any definite ... function.

7. Plants are ... metabolising, both breaking down preformed mole­cules and building new ones at the same time.

8. Nature produces an astonishing variety of complex ... which em­brace all fields of pharmacological action.

11.Виправте помилки:

1. The inactive principles may alter the activity of the drug by physi­cal means, for example, they may act as co-solvents of the non-active compounds.

2. Besides their own essential principles, the so-called primary plant products, plants produce other principles, which apparently have definite biological function.

3. Plants are constantly metabolising, both breaking down preformed molecules and at the same time destroying old ones.

4. Nature produces an astonishing variety of complex phytoconstituents which embrace all fields of pharmacological action.

5. The biological function is often discussed but the fact is that many of them have a special importance inside the plant because of their pharmacological action.

6. Sometimes intrinsic factors are latent in the plant and only appear as a response to the appropriate internal factors.

7. The active compounds may interfere with the action of the active ones or they may be their precursors.

8. Drugs in general arise from a heterogeneous population of indi­vidual plants living under proper conditions.

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