Podcast
Questions and Answers
In what direction is the genetic code written?
In what direction is the genetic code written?
- From middle to both ends
- 3' to 5'
- 5' to 3' (correct)
- Random direction
Which base in a codon is less crucial in binding to tRNA?
Which base in a codon is less crucial in binding to tRNA?
- All bases are equally crucial
- Second base
- Third base (correct)
- First base
How many termination codons are there in the genetic code?
How many termination codons are there in the genetic code?
- 1
- 3 (correct)
- 2
- 4
Which codon acts as both an initiation codon and a Methionine codon?
Which codon acts as both an initiation codon and a Methionine codon?
What is the primary reason for the resistance of the genetic code to mutations?
What is the primary reason for the resistance of the genetic code to mutations?
Which amino acids have more than one codon in the genetic code?
Which amino acids have more than one codon in the genetic code?
'Codon bias' in the genetic code refers to which of the following?
'Codon bias' in the genetic code refers to which of the following?
What is the role of UGA in the genetic code of vertebrate mitochondrial DNA?
What is the role of UGA in the genetic code of vertebrate mitochondrial DNA?
In vertebrate mitochondrial DNA, what does AGA/AGG encode?
In vertebrate mitochondrial DNA, what does AGA/AGG encode?
How many tRNAs are used by mitochondria compared to the standard genetic code?
How many tRNAs are used by mitochondria compared to the standard genetic code?
What is the significance of the 'wobble' hypothesis in the genetic code?
What is the significance of the 'wobble' hypothesis in the genetic code?
Which nucleotide can form weak hydrogen bonds with A, U, and C in some tRNAs?
Which nucleotide can form weak hydrogen bonds with A, U, and C in some tRNAs?
What determines the number of codons recognized by a tRNA?
What determines the number of codons recognized by a tRNA?
What percentage of the chemical energy of a cell can protein synthesis use up?
What percentage of the chemical energy of a cell can protein synthesis use up?
What is the role of tRNA in protein synthesis?
What is the role of tRNA in protein synthesis?
What keeps pace with protein synthesis?
What keeps pace with protein synthesis?
What effect does codon bias have on minimizing the effect of mutations in the genetic code?
What effect does codon bias have on minimizing the effect of mutations in the genetic code?
How does a mutation in the first base of a codon typically affect the amino acid sequence?
How does a mutation in the first base of a codon typically affect the amino acid sequence?
What is the role of translational frameshifting in protein synthesis?
What is the role of translational frameshifting in protein synthesis?
How is translational frameshifting described in relation to ribosomes?
How is translational frameshifting described in relation to ribosomes?
How does a slippery sequence influence translational frameshifting?
How does a slippery sequence influence translational frameshifting?
How does RNA secondary structure contribute to translational frameshifting?
How does RNA secondary structure contribute to translational frameshifting?
What is the role of guide RNAs in RNA editing?
What is the role of guide RNAs in RNA editing?
Which proteins are essential for reverse transcriptase in HIV1 replication?
Which proteins are essential for reverse transcriptase in HIV1 replication?
In which genomes is RNA editing common?
In which genomes is RNA editing common?
What is the result of inserting four U residues in post-transcriptional editing?
What is the result of inserting four U residues in post-transcriptional editing?
What is the role of the editosome in RNA editing?
What is the role of the editosome in RNA editing?
Which organism's mitochondrial genome provides an example of RNA editing in the Cytochrome Oxidase subunit II gene?
Which organism's mitochondrial genome provides an example of RNA editing in the Cytochrome Oxidase subunit II gene?
What do guide RNAs do in the editing process?
What do guide RNAs do in the editing process?
