QUESTION 23 All of the following have been produced by inserting human genes int

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QUESTION 23 All of the following have been produced by inserting human genes into bacteria EXCEPT O cancer-cell-killing hormones, which cure patients who have malignancies. O blood-clotting enzymes, which treat hemophiliacs. O insulin, which treats diabetics. O clot-dissolving enzymes, which help heart attack victims recover. O growth hormone, which helps children grow normally QUESTION 24 Small, accessory chromosomes found in bacteria that are useful in recombinant DNA procedures are called O plasmids. O centrioles. O bacteriophages. O viroids. QUESTION 25 All of the following are ways in which scientists can transfect an organism EXCEPT O injecting DNA into an egg using a small, sharp pipette. O spraying plants with herbicide containing new genes. O infecting a host organism with a virus carrying a new gene. O using a "gene gun" to shoot genes into cells in culture.

Explanation / Answer

23. cancer-cell killing hormones, which cure patients with malignancies

24. plasmids

25. infecting a host organism with a virus carrying a new gene

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