The gene in the picture has four exons and three introns. Each exon is 75 nucleotides and each intron is 70 nucleotides. Assuming normal splicing occurs, what is the length of the mature mRNA in nucleotides?
A. 75
B. 300
C. 140
D. 510
Let’s say you have a protein that normal contains the codon 5’ ACC 3’. After a mutation occurs this codon now reads 5’ AUC 3’. What kind of mutation occurred?
A. Nonsynonymous (missense)
B. Synonymous
C. Nonsense
D. Frameshift
The coding strand of DNA contains the following sequence 5’-CAGTCCAGG-3’. What is the sequence of the corresponding mRNA that would be produced?
A. 5’-GUCAGGUCC-3’
B. 5’-GGACCUGAC-3’
C. 5’-CAGUCCAGG-3’
D. 5’-CCTGGACTG-3’
What best describes how transfer RNAs enter and exit the ribosome during translation?
A. Charged tRNAs enter the A site and uncharged tRNAs exit the E site
B. Uncharged tRNAs enter the A site and charged tRNAs exit the E site
C. Charged tRNAs enter the A site and charged tRNAs exit the E site
D. Charged tRNAs enter the P site and uncharged tRNAs exit the E site
Which strand of DNA undergoes complementary basepairing with a piece of RNA that is being synthesized during transcription?
A. Template strand
B. Coding strand
C. Anti-codon
D. None of the above