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

Câu hỏi liên quan

• In 1950 , it was naively predicted that eight or ten computer would be sufficient to handle all of the scientific and business needs in the United States.

• Per capita income is a nation’s entire income dividing by the number of people in the nation

• Sleeping all day, to eat too much and never going out is unhealthy.

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• In his famous domes, architecture Buckminster Fuller utilized thousands of simple equilateral triangles linked together.

• Chocolate is prepared by a complexity process of cleaning, blending and roasting cocoa beans, which must be ground and mixed with sugar.

• To see the statue of Liberty and taking picture from the top of the Empire State Building are two reasons for visiting New York City.

• Don't leave here, _    ?

• I haven’t decided yet about either to buy a new car or second-hand one

• Friends advise her to stop doing the housework because her old age.

• On February 20th, 1962, “Friendship 7” orbiting the Earth in a manned flight that lasted just under five hours

• The Aardvark is a mammal that burrows into the ground to catches ants and termites

• Some methods to prevent soil erosion are plowing parallel with the slopes of hills, to plant trees on unproductive land, and rotating crops

• Above 80 percent of the laborers at the construction site are temporary workers.

• The native people of the Americans are called Indians because when Columbus landed in the Bahamas in 1492 , he thought that he has reached the East Indies.

• He has made a lot of mistakes in his writing because his carelessness.

• Because silk is the strongest of all natural fibers, ranking in strong with the synthetic fiber nylon, its delicate look and fell are deceptive.

• Before we returned from swimming in the river near the camp, someone had stole our clothes, and had to walk back with our towels around us.

• Although he was happily married, he preferred spending lately hours at work to spending evenings lately at home

• Bacteria are responsible of many of the textures and flavors in our food and are particular important in milk products.

• Under the crust of the Earth are bubbling hot liquids that sometime rise to the surface.