Belozersky was born in August 1905 in Tashkent. He completed his undergraduate studies at Tashkent University in 1927. From 1927 to 1930 he was a postgraduate. In 1930 he became assistant in the plant biochemistry department of Moscow University. A. N. Belozersky be- полный ответы: came associate professor in 1932, full professor in 1947, and head of the department in 1960. In 1965 he set up and headed a research laboratory of organic biochemistry. In 1958 he was elected corresponding member and in 1962 full member of the Academy of Sciences of the USSR. The main fields of Belozersky's research were nucleic acids and nu-
cleoproteins of plants and bacteria.
He started his research in the early 1930s. Belozersky's work was to prove the presence of tymonucleic acid (modern term - DNA) and to establish the presence and type of nucleic acids in microorganisms, and particularly in bacteria.
The analysis showed a correlation between the age and the biological activity of the cell on the one hand and the age and the amount of nucleic acids in the cell on the other.
Already in 1957 he predicted the existence of a messenger RNA. In
the late 1940s Belozersky investigated a few antibiotics.
11. What did Belozersky investigate in the late 1940s? 12. When did Belozersky predict the existence of a messenger RNA?
Ех. 2. Задайте вопрос ко всему предложению и дайте краткий и
I. The scientists often used the method last year.
2. The review covered a broad range of problems.
3. The book included new interpretations of experimental results.
4. The experiment started four years ago.
5. She always completed her work
6. He investigated the phenomenon.
7. Doctors studied the method.
8. They predicted the change.
9. The postgraduates became good specialists. 10. He began the experiment in 1988.
Exerscises
Ех. 1. ответьте на вопросы, используя текст:
I. When was Belozersky born?
2. Where was he born?
3. Where did he complete his undergraduate studies?
4. When did Belozersky complete his undergraduate studies?
5. At what department of Moscow University did he become an
assistant?
6. When did he become head of the department?
7. What did Belozersky do in 1965?
8. When was Belozersky elected corresponding member and when
full member of the Academy of Sciences of the USSR?
9. What was the main field of Belozersky's research? 10. When did he start his research?

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