12. The two most common processes that lead to production of multiple functional
ID: 3164929 • Letter: 1
Question
12. The two most common processes that lead to production of multiple functional proteins from the same DNA sequence are: A) RNA editing and alternative splicing. B) Protein folding and posttranslational covalent modifications. C) Alternative splicing and posttranslational covalent modifications. D) Posttranslational covalent modification and transcriptional regulation E) RNA editing and base modification. 13. Which of the following statements regarding the proteome is the most correct? A) A large proportion of the proteome is expressed by each cell of a species B) Levels of gene expression at the mRNA level generally correlate highly with levels of C) The proteins produced by a specific cell depend on cell type and environmental D) All of the above. functional protein. conditions. E) None of the above quence alignment of related genes can identify amino acids required for protein function. A) True B) False 15. Which of the following is not a step in protein synthesis? A) Gene replication B) Post translational modification C) RNA processing control D) RNA transport control 16 Polypeptides Can fold into a double helix A) Can have a tertiary structure B) Can contain phosphate C) Consist of nucleotides D) Are synthesized in the nucleus 17. A codon bias A) Is used in genome mapping B) Is found in intergenic regions C) Is found in functional RNAS D)ls not found in prokaryotes E) Is used to identify genesExplanation / Answer
12. Option A is correct.
RNA editing and alternative splicing produce different coding sequences from the same genomic sequence.
13. Option D is correct.
All the given options are correct.
14. Option A is correct.
TRUE
15. Option A is correct.
Gene replication is not part of gene expression.
16. Option A is correct.
17. Option C is correct.
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