Which of the following is true? a) Certain transgenic animals can produce human

Question

Which of the following is true? a) Certain transgenic animals can produce human protein in their Bilk (b) A complete bacterial genome has been chemically synthesized, assembled, and introduced into a new bacterial cell. c) Transgenic Salmon overexpressing a growth hormone gene grow faster than nontransgenic strains. d) All the above are true. In the human genome: a) genes often have 20 or more introns b) 95% of the DNA codes for unique proteins c) only 5% is repetitive DNA d. all of the above In bacteria: a) polycistronic transcription units are common b) protein coding regions are densely packed (one gene/1000bp) c) introns are rare or absent d) all of the above Proteomes are analyze using: a) only DNA sequencing b) 2D gel electrophoresis c) Southern blots d) ASO's Which of the following is true? a) Human genes are all unique and show no similarity to genes from other organisms. b) Only 1% of human genes show a high degree of similarity to genes from other organisms. c) Many human genes (50%) show a high degree of similarity to genes from other organisms. which of the following is true about open reading frames? a) Even short ORF's always represent a gene. b) An 0RF only requires a promoter sequence, nothing else. c) Locating ORF's is part of annotating a genome. d) All the above. Which of the following is true about transgenic plants? a) Transgenic corn is cultivated in the USA b) Can be made using Ti plasmid and plant tissue culture c) May have increased nutritional value. d) All the above are true.

Explanation / Answer

42. d (all the given options are correct)

43. a (genes often have 20 or more introns)

44. c (introns are rare or absent in bacteria)

45. b (2D gel electrophoresis)

46. c (Many human genes show high degree of similarity to genes from other organisms)

47. c (Locating ORFs is part of annotating the genome)

48. d (All the given options are true)

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