Solved

A Mutation in the TRNA for the Amino Acid Lysine  The Genetic Code \text { The Genetic Code }

Question 29

Multiple Choice

A mutation in the tRNA for the amino acid lysine results in the anticodon sequence 5?-UAU-3? (instead of 5?-UUU-3?) .Which of the following aberrations in protein synthesis might this tRNA cause?  The Genetic Code \text { The Genetic Code }
 U  C  A  G  UUU Phe (F)   UCU Ser (S)   UAU Tyr (Y)   UGU Cys (C)   UUC -  UCC -  UAC -  UGC -  U  UUA Leu (L)   UCA –  UAA Stop  UGA Stop  UUG -  UCG -  UAG Stop  UGG Trp (W)   CUU Leu (L)   CCU Pro (P)   CAU His (H)   CGU Arg (R)   CUC -  CCC -  CAC -  CGC -  C CUA -  CCA -  CAA Gin (Q)   CGA -  CUG  CCG  CAG  CGG  AUU Ile (I)   ACU Thr (T)   AAU Asn (N)   AGU Ser (S)   AUC -  ACC -  AAC -  AGC -  A AUA -  ACA -  AAA Lys (K)   AGA Arg (R)   AUG Met (M)   ACG -  AAG -  AGG -  GUU Val (V)   GCU Ala (A)   GAU Asp (D)   GGU Gly (G)   GUC -  GCC -  GAC -  GGC -  G GUA -  GCA -  GAA Glu (E)   GGA -  GUG -  GCG -  GAG -  GGG - \begin{array}{|l|l|l|l|l|}\hline & \text { U } & \text { C } & \text { A } & \text { G } \\\hline &\text { UUU Phe (F) } & \text { UCU Ser (S) } & \text { UAU Tyr (Y) } & \text { UGU Cys (C) } \\&\text { UUC - } & \text { UCC - } & \text { UAC - } & \text { UGC - } \\ \text { U } &\text { UUA Leu (L) } & \text { UCA -- } & \text { UAA Stop } & \text { UGA Stop } \\&\text { UUG - } & \text { UCG - } & \text { UAG Stop } & \text { UGG Trp (W) } \\\hline &\text { CUU Leu (L) } & \text { CCU Pro (P) } & \text { CAU His (H) } & \text { CGU Arg (R) } \\&\text { CUC - } & \text { CCC - } & \text { CAC - } & \text { CGC - } \\ \text { C}&\text { CUA - } & \text { CCA - } & \text { CAA Gin (Q) } & \text { CGA - } \\&\text { CUG }- & \text { CCG }- & \text { CAG }- & \text { CGG }- \\\hline &\text { AUU Ile (I) } & \text { ACU Thr (T) } & \text { AAU Asn (N) } & \text { AGU Ser (S) } \\&\text { AUC - } & \text { ACC - } & \text { AAC - } & \text { AGC - } \\ \text { A}&\text { AUA - } & \text { ACA - } & \text { AAA Lys (K) } & \text { AGA Arg (R) } \\&\text { AUG Met (M) } & \text { ACG - } & \text { AAG - } & \text { AGG - } \\\hline &\text { GUU Val (V) } & \text { GCU Ala (A) } & \text { GAU Asp (D) } & \text { GGU Gly (G) } \\&\text { GUC - } & \text { GCC - } & \text { GAC - } & \text { GGC - } \\ \text { G}&\text { GUA - } & \text { GCA - } & \text { GAA Glu (E) } & \text { GGA - } \\&\text { GUG - } & \text { GCG - } & \text { GAG - } & \text { GGG - } \\\hline\end{array} Table 7-29


A) read-through of stop codons
B) substitution of lysine for isoleucine
C) substitution of lysine for tyrosine
D) substitution of lysine for phenylalanine

Correct Answer:

verifed

Verified

Unlock this answer now
Get Access to more Verified Answers free of charge

Related Questions

Unlock this Answer For Free Now!

View this answer and more for free by performing one of the following actions

qr-code

Scan the QR code to install the App and get 2 free unlocks

upload documents

Unlock quizzes for free by uploading documents