Podcast
Questions and Answers
What is the enzyme that binds to transcription factors at the start of a gene during transcription?
What is the enzyme that binds to transcription factors at the start of a gene during transcription?
- Helicase
- DNA polymerase
- Ligase
- RNA polymerase II (correct)
During transcription, where does RNA polymerase add matching complementary ribonucleotides?
During transcription, where does RNA polymerase add matching complementary ribonucleotides?
- 5' end of the growing mRNA strand
- 3' end of the growing mRNA strand (correct)
- In the middle of the gene sequence
- On both strands of the DNA simultaneously
What happens as RNA polymerase moves forward during transcription?
What happens as RNA polymerase moves forward during transcription?
- The DNA duplicates itself
- The DNA re-coils behind it (correct)
- The DNA strand remains static
- The DNA strand is cut by RNA polymerase
Where does transcription start on a gene sequence?
Where does transcription start on a gene sequence?
What determines the specificity of turning genes on and off during transcription?
What determines the specificity of turning genes on and off during transcription?
What is the sugar present in DNA?
What is the sugar present in DNA?
Which of the following is a characteristic of RNA?
Which of the following is a characteristic of RNA?
Which type of RNA directs protein production?
Which type of RNA directs protein production?
What is the function of tRNA in protein synthesis?
What is the function of tRNA in protein synthesis?
What does DNA code for in addition to proteins?
What does DNA code for in addition to proteins?
Which specific sequence in the initiation of transcription allows general transcription factors and RNA Polymerase to bind?
Which specific sequence in the initiation of transcription allows general transcription factors and RNA Polymerase to bind?
What is the function of the Poly-A tail added to the end of mRNA?
What is the function of the Poly-A tail added to the end of mRNA?
What is the role of the Cap added to the front end (5' end) of mRNA?
What is the role of the Cap added to the front end (5' end) of mRNA?
What is the main function of Splicing in RNA processing?
What is the main function of Splicing in RNA processing?
What is the purpose of Leader and Trailer Sequences in mRNA?
What is the purpose of Leader and Trailer Sequences in mRNA?
Which structure ensures that mRNA binds to ribosomes and leaves the nucleus properly?
Which structure ensures that mRNA binds to ribosomes and leaves the nucleus properly?
What is the function of the Spliceosome in RNA processing?
What is the function of the Spliceosome in RNA processing?
What is the main function of the 3’UTR in mRNA?
What is the main function of the 3’UTR in mRNA?
In the decoding translation space, what does the triplet '64,65,66' correspond to?
In the decoding translation space, what does the triplet '64,65,66' correspond to?
How many amino acids are coded for in the sequence '25,26,27,52,53,54,34,35,36' as per the decoding translation space?
How many amino acids are coded for in the sequence '25,26,27,52,53,54,34,35,36' as per the decoding translation space?
What term describes a triplet of mRNA that codes for an amino acid?
What term describes a triplet of mRNA that codes for an amino acid?
If each nucleotide codes for 1 amino acid, how many nucleotides are needed to code for 20 amino acids?
If each nucleotide codes for 1 amino acid, how many nucleotides are needed to code for 20 amino acids?
What characteristic describes the genetic code's relationship with amino acids?
What characteristic describes the genetic code's relationship with amino acids?
What is the role of the signal recognition particle (SRP) in protein synthesis?
What is the role of the signal recognition particle (SRP) in protein synthesis?
What happens during post-translational modifications inside the endoplasmic reticulum (ER)?
What happens during post-translational modifications inside the endoplasmic reticulum (ER)?
How do frameshift mutations differ from point mutations?
How do frameshift mutations differ from point mutations?
What is the effect of lengthening a protein due to a mutation?
What is the effect of lengthening a protein due to a mutation?
How does a cell typically respond when it acquires a mutation during replication?
How does a cell typically respond when it acquires a mutation during replication?
What is one potential outcome if a sperm or egg cell has acquired a mutation?
What is one potential outcome if a sperm or egg cell has acquired a mutation?
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