28.13: Additional Problems
- Page ID
- 459718
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Visualizing Chemistry
Identify the following bases, and tell whether each is found in DNA, RNA, or both:
(a)
(b)
(c)
AAU
From what DNA sequences were each of the mRNA codons in Problem 28-26 transcribed?
What anticodon sequences of tRNAs are coded for by the codons in Problem 28-26?
Draw the complete structure of the ribonucleotide codon UAC. For what amino acid does this sequence code?
Draw the complete structure of the deoxyribonucleotide sequence from which the mRNA codon in Problem 28-29 was transcribed.
Give an mRNA sequence that will code for the synthesis of metenkephalin.
Tyr-Gly-Gly-Phe-Met
Give an mRNA sequence that will code for the synthesis of angiotensin II.
Asp-Arg-Val-Tyr-Ile-His-Pro-Phe
What amino acid sequence is coded for by the following DNA coding strand (sense strand)?
(5′) CTT-CGA-CCA-GAC-AGC-TTT (3′)
What amino acid sequence is coded for by the following mRNA base sequence?
(5′) CUA-GAC-CGU-UCC-AAG-UGA (3′)
If the DNA coding sequence -CAA-CCG-GAT- were miscopied during replication and became -CGA-CCG-GAT-, what effect would there be on the sequence of the protein produced?
Show the steps involved in a laboratory synthesis of the DNA fragment with the sequence CTAG.
Draw the structure of cyclic adenosine monophosphate (cAMP), a messenger involved in the regulation of glucose production in the body. Cyclic AMP has a phosphate ring connecting the 3′- and 5′-hydroxyl groups on adenosine.