Multiple-choice Reading Test. Genetically Modified Food And Social Concerns. 11 Class. Focus on RNE
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Задание 1
Read the short text. Complete the sentence with the correct part. Critics of using GM food to battle world hunger argue that the problem of hunger has nothing to do with an inability to produce enough food. The problem, they say, is a social one of distributing food so that it is available to the people who need it. The critics of using GM food claim that ...
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Задание 2
Read the short text. Complete the sentence with the correct part. So, the basic idea of genetic engineering is to put a gene of interest, that produces useful proteins, into another piece of DNA to create recombinant DNA. This DNA is combined from two or more sources. The recombinant DNA purpose for genetic engineering is to ...
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Задание 3
Read the short text. Complete the sentence with the correct part. Proponents of GM food claim that GM food can assist in the battle against world hunger. We have seen that genetic engineering can produce crops that resist pests and disease. It can also produce crops with greater yields and crops that will grow in spite of droughts, depleted soil, excess salt, aluminium, or iron. The supporters of GM food assert that ...
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Задание 4
Read the short text. Complete the sentence with the correct part. From dinner tables to the diplomatic circle, people are now discussing genetically modified (GM) food. What is Genetically Modified Food? Genetically modified (GM) food is a result of genetic engineering. Genetic engineering is a part of the broader endeavour of biotechnology, a field in which scientists make controlled use of living cells to perform specific tasks. Genetically Modified Food is ...
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Задание 5
Read the short text and choose the correct answer. Foods can also be genetically modified to contain higher amounts of specific nutrients. One example is the “golden rice” mentioned in this chapter. More than 100 million children worldwide suffer from vitamin A deficiency, and 500,000 of them go blind every year because of that deficiency. Although "golden rice" cannot supply a complete recommended daily dose of vitamin A, the amount it contains could be helpful to a person whose diet is very low in vitamin A. What is the advantage of consuming "golden rice", according to the text?
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Задание 6
Read the short text and choose the correct answer. Proponents of GM food claim that GM food can assist in the battle against world hunger. We have seen that genetic engineering can produce crops that resist pests and disease. It can also produce crops with greater yields and crops that will grow despite droughts, depleted soil, or excess salt, aluminium, or iron. Foods can also be genetically modified to contain higher amounts of specific nutrients. One example is the “golden rice” mentioned in this chapter. More than 100 million children worldwide suffer from vitamin A deficiency, and 500,000 of them go blind every year because of that deficiency. Although "golden rice" cannot supply a complete recommended daily dose of vitamin A, the amount it contains could be helpful to a person whose diet is very low in vitamin A. What is the advantage of using genetic engineering, according to the text?
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Задание 7
Choose the correct answer. From dinner tables to the diplomatic circle, people are now discussing genetically modified (GM) food. What is Genetically Modified Food? Genetically modified (GM) food is a result of genetic engineering. Genetic engineering is a part of the broader endeavour of biotechnology, a field in which scientists make controlled use of living cells to perform specific tasks. What statement is true, according to the text?
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Задание 8
Read the short text and choose the correct answer. Every nucleotide monomer consists of a five-carbon (pentose) sugar that is bonded to one of five nitrogen-containing bases and at least one phosphate group. These five nitrogen-containing bases are adenine, guanine, cytosine, thymine and uracil. Some of the bases (cytosine, thymine, and uracil) have a single ring made of carbon and nitrogen atoms. The other bases (adenine and guanine) have two such rings. The sequence of bases in DNA determines the sequence of amino acids in proteins. DNA, as we said above, is a nucleic acid that is found in genes. What statement is false, according to the text?
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Задание 9
Choose the correct answer. DNA (deoxyribonucleic acid) is one of two types of nucleic acids. It has smaller units called nucleotides, joined into chains through dehydration synthesis. Every nucleotide monomer consists of a five-carbon (pentose) sugar that is bonded to one of five nitrogen-containing bases and at least one phosphate group. These five nitrogen-containing bases are adenine, guanine, cytosine, thymine and uracil. Some of the bases (cytosine, thymine, and uracil) have a single ring made of carbon and nitrogen atoms. The other bases (adenine and guanine) have two such rings. The sequence of bases in DNA determines the sequence of amino acids in proteins. DNA, as we said above, is a nucleic acid that is found in the genes. What chemicals does a DNA molecule contain?
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Задание 10
Read the short text. Complete the sentence with the correct part. Recombinant DNA is segments of DNA from two sources that have been combined in vitro and have been transferred to the cells, in which their information can be expressed, carrying the gene of interest. Then they are placed into a rapidly multiplying cell that quickly produces many copies of the gene. The final harvest may consist of large amounts of the gene product or many copies of the gene itself. The recombinant DNA is ...
