each structural gene has it\'s own promoter protein coding regions are densely p
ID: 84990 • Letter: E
Question
each structural gene has it's own promoter protein coding regions are densely packed (one gene/1000bp) introns are common all of the above In the human genome at least is repetitive DNA 0.1 0.5 5 50 Which of the following is true Certain transgenic animals can produce human protein in their milk. A complete bacterial genome has been chemically synthesized, assembled, and introduced into a new bacterial cell. Next generation sequencing is fast All the above are true. A bacteriophage strain carrying a point mutation is crossed with a bacteriophage strain carrying a deletion mutation. If no wild type phage are produced, the point mutation was within the deletion outside the deleted region Certain RNA molecules have catalytic activity. True false Scientists have found: only one mutation that causes cystic fibrosis over 1000 different mutations in the same gene that all cause cystic fibrosis In E. coli high glucose levels reduce cyclic AMP (CAMP) levels which then transcription of the lactose operon decrease increase The start of a wild type mRNA was AUGcccAAGAcc..... A mutation resulted in the sequence AUGCCAAGAcc..... This type of change is called a mutation. Missense frameshiftExplanation / Answer
54. The correct option is A because as the structural genes of a bacteria have its own promoter for the correct recognition and expression of the desired protein.
55. The correct option is D that is 50%.
56. The correct option is D all the above is true.
57. The correct option is A because the deletion mutation caused the deletion of the codon with the point mutation. Due to which no wild type phase is produced.
58. The statement is true. Such RNA molecules are called ribozymes, they can catalyze specific biochemical reactions such as RNA processing, Splicing, Viral replication.
59. The correct option is B that is there are over 1000 different mutations in the single gene that causes cystic fibrosis. As in the disease, the gene mutations inhibits the CFTR gene to be expressed.
60. The correct option is A that is the transcription is decreased. This is because when the glucose molecules are high, no cAMP is produced, due to which the CAP cannot bind to DNA without cAMP, thus the transcription is decreased and occurs at low levels.
61. The correct option is b That is the mutation is frameshift because there is a change in the reading frame of the mRNA because of the deletion of the nucleotide.
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