Name: Class: Date 46. Suppose a gene is transferred naturally by a bacterium fro

Question

Name: Class: Date 46. Suppose a gene is transferred naturally by a bacterium from a plant genome to an insect genome within the same generation. What process does this illustrate? a restriction b. genome shuffling c. genome switching d. vertical gene transfer e. horizontal gene transfer 47. Most biologists recognize domains. a. 3 b.4 d. 6 e. 12 48. The most significant difference between archaea and bacteria is the: a. lack of a nuclear envelope in archaea. b. absence of the 705 ribosomes in bacteria. c. presence of a single filament flagellum in bacteria. d. absence of peptidoglycans in the cell walls of archaca. e. presence of fatty acids in the plasma membranes of archaca. Figure 25-1 JA 49. Which structure in the accompanying figure is labeled as C? a capsule b. cell wal c. flagellum d. a ribosome Page 10 Copynight Cengage Learning Powered by Cognero

Explanation / Answer

46) The correct answer is option D that is horizontal gene transfer.

Vertical gene transfer occur between parents and daughters cells. So that is a wrong answer.

47 - The correct answer is option A that is 3..

Most biologists recognizes three domains

48 - The correct answer is option D that is absence of peptidoglycan in the cell walls of archea as only bacteria have peptidoglycan in their cell wall.

49 - The correct answer is option A that is capsule.

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