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bri

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The diagram illustrates the process of developing genetically modified corn. The diagram illustrates the process of developing genetically modified corn. What occurs at step 4 in the diagram? The foreign DNA is inserted...
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A strand of DNA contains the bases adenine, cytosine, cytosine, and guanine, in that order. Which would be the order of the bases on the opposite strand of DNA? thymine, adenine, adenine, and cytosine cytosine, thymine,...
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A mutation causes a sequence of DNA that has the nucleotides TTG to be changed to TCG. The resulting protein has a different sequence of amino acids. Which type of mutation is this? frameshift missense silent nonsense
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Fragile X syndrome, characterized by mental retardation, is caused by which chromosomal change? insertion inversion translocation deletion
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Photo 51 is a picture of the structure of DNA that was used to create a model of DNA. Who created the photo? Erwin Chargaff Friedrich Miescher Rosalind Franklin James Watson and Francis Crick
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Which is an application of DNA technology in medicine? producing disease resistant humans mapping human genes for manipulation determining specific traits that a baby will have before its conception determining hereditar...
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Which base is found only in DNA? thymine cytosine adenine guanine
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Missense, nonsense, and silent mutations are examples of which type of mutation? insertion deletion replication substitution
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What does DNA provide the code for? deoxyribose formation protein synthesis nitrogenous base pairing nucleotide synthesis
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Which best describes a gene? tightly coiled strands of DNA a segment of chromosomal DNA the center of a chromosome the short arm of a chromosome
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Which best describes biotechnology? the field of biology that uses genetic engineering to produce crops, pharmaceuticals, and enzymes for use in industry and manufacturing the process of analyzing DNA samples to identify...
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A company has many genetically engineered poplar trees around its factories. Which best describes the poplar trees? They are being used for phytoremediation. They have transferred their genes to a nontarget species. They...
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Which step in transcription occurs first? A gene is expressed through protein production. RNA polymerase attaches to the promoter. mRNA moves the code from the nucleus to the ribosome for protein production. A repressor...
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Which does not occur during translation? tRNA pairs with complementary mRNA. Met-tRNA binds to the start codon. DNA is transcribed into a complementary strand of mRNA. A chain of amino acids, linked by peptide bonds, is...
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Consider the diagram. A schematic of the division of a gamete. A gamete with X X chromosomes get divided into 2 cells with 1 X chromosome each. One cell with an X chromosome gets divided into 2 cells with the same amount...
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Why might genetically engineering a crop to be herbicide resistant result in producing weeds that are herbicide resistant? The weeds will become tolerant to the herbicide through repeated exposure. The weeds that are not...
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Thale cress is a plant that is genetically engineered with genes that break down toxic materials. Which type of organism is described? transverse transgenic restriction recombinant
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Which is an advantage of using DNA technology? phytoremediation unknown effects gene transfer to nontarget species reduced effectiveness of pesticides
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Which consequence are scientists concerned could result from the use of genetically engineered growth hormones in dairy products? cancer fewer organic options blindness increased costs
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Which structural characteristic is seen in RNA but not in DNA? double strands a single strand chains of nucleotides a helical shape
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Which structural component is found in DNA but not in RNA? phosphate group nitrogenous base deoxyribose ribose
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Which of these could be a nucleotide of RNA? deoxyribose phosphate group uracil ribose phosphate group uracil deoxyribose phosphate group thymine ribose phosphate group thymine
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DNA is a nucleic acid polymer composed of which repeating structural unit? phosphate groups nucleotides ribosomes proteins
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Which base is found only in RNA? uracil thymine ribose deoxyribose
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On an RNA molecule, which would base pair with adenine? uracil thymine cytosine guanine
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