18. Introns A) Do not contain any functional sequences B) Are only found in codi

Question

18. Introns A) Do not contain any functional sequences B) Are only found in coding regions of protein-coding genes C) Are removed after transcription D) Occur in almost every gene of the yeast genome 19. Identify which of the following terms refers to the order in which amino acids are lnked together in a protein. A) primary structure B) Secondary structure C) Tertiary structure D) Quaternary structure 20. What would be the effect on the primary structure of the coded protein if a single base was deleted from a messenger RNA transcript? A) No effect B) A single amino acid residue is changed. C) A complete change in amino acid sequence from the point of the deletion ) A premature termination of the chain at the point of mutation

Explanation / Answer

introns are removed after transcription.

primary structure

a complete change in amino acid sequence from the point of the deletion

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