NURS251 Exam Questions and Answers |
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A point mutation that changes a codon specifying an amino acid into a stop codon is called a
frameshift mutation.
nonsense mutation.
missense mutation.
deletion mutation. - Answer-nonsense mutation
The triplet code of CAT in DNA is represented a...
Allows interpretation of the two strands of DNA to determine which is the "sense" strand and which is
the "antisense" strand
Allows further processing of synthesized proteins (post-translational modification in order to ensure that
the final product is physiologically active) - Answer✔✔-Serves as the coordinator mechanism to allow
proper reading of the mRNA and placement of the correct amino acid in the sequence by the tRNAs
Which of the following is not needed for DNA transcription?
Ribosome
Enzymes
Nucleotides
DNA - Answer✔✔-Ribosome
Frameshift mutations
applies to the reading frame (sequence of codons) being changed.
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