Arrange (расположите) the sentences according to the given titles. Translate the sentences.

 

1. General characteristics

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2. Shapes of bacteria

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3. Habitat (среда обитания) of bacteria

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4. Harmful bacteria

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5. Beneficial bacteria

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1. curved – изогнутый

2. comma-shaped – имеющий форму запятой

3. cluster of grapes – гроздь винограда

4. anthrax – сибирская язва

5. fertile – плодородный

6. inhibit – останавливать, подавлять

7. lactic acid – молочная кислота

 

1. Some types of bacteria can cause diseases and become harmful to the environment, animals and humans.

2. Bacteria in our digestive system help to convert milk protein into lactic acid and inhibit the growth of potentially harmful bacteria.

3. Bacteria is commonly found in the ground, water and in other living organisms.

4. Bacteria (bacterium) are a large group of minute single-celled microorganisms.

5. Bacteria help produce the food we eat and keeps the soil fertile, it also helps us digest our food.

6. Some rod-shaped bacteria, called vibrio (вибрион), are slightly curved or comma-shaped; others, can be spiral-shaped, called spirilla.

7. Some bacteria offer benefits that we likely could not live without.

8.Many bacteria exist as single cells, others form pairs, chains and group together in "cluster of grapes".

9. There are typically 40 million bacterial cells in a gram of soil and a million bacterial cells in a milliliter of fresh water.

10. Bacteria vary in shapes.

11. They cause infectious diseases, including cholera, syphilis, anthrax, leprosy and bubonic plague.

12. Most bacterial species are spherical (cocci), rod-shaped (bacilli).

13. Bacterial infections are treated with antibiotics.

14. They are among the oldest living organisms on the Earth.

 

Shapes of bacteria