Because of it consists only of relatively short strand of DNA protected by a shell of Protein, a virus cannot eat or reproduce by itself.

Câu hỏi liên quan

• For thousands of years, people have used some kind of refrigeration cooling everages and preserve edibles

• Mark the letter A, B, C or D on your answer sheet to indicate the word or phrase that is CLOSEST in meaning to the underlined part in each of the following questions: 

  Fruit is customarily treated with sulfur prior to drying to reduce any color change. 

• It’s been brought to my attention that there has been a number of thefts from office

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• With cable broadband, you can go from one page to another much quickly than you can. With a dial-up modem or DSL, and you can load web pages more read

• .................. in the UK, the book has won a number of awards in recent regional book fairs.

• They are planning on attending convention next month, and so I am

• During his speech in Congress, the President stress the importance of good education for the well-being of genera to come

• Research has proved that a baby can distinguish its mother’s voice the moment he is bor

• The number of students attend the class indled until only two remained.

• 1971 U.S government policy not only put warnings on cigarette packs but also ban television advertising of cigarettes.

• In The Sociology of Science, now considered a classic, Robert Mortoncusses cultural, economy and social forces that contributed to the development of modern science

• Mining over 2,000 years ago, copper one of the earliest known metals.

• The company suffered substantial losses after the stock market crash and found it difficult for recove

• To assure the safely of workers who must handle radioactive materials, the employer should not leave them ente) contaminated areas without protective clothing.

• Although they reflect a strong social conscience, Arthur Miller’s stage works are typical more concerned with individuals than with systems 

• Allen’s not having finished his thesis did not discourage him from applying for other program.

• I’m considering  .........  home now.

• Urban consumers have formed  co-operatives to provide  themselves with necessities such groceries, Household appl, and gasoline at a lower cost.

• The football match was televised lively from National stadium

• The medical problems of parents and their children tend to be very similar to because of the heredi nature of many diseases