ATTEMPT ANY TWO (If you answer all three, Dr. Davé will revi…
ATTEMPT ANY TWO (If you answer all three, Dr. Davé will review them all and select the best two for a maximum of 6 points.) a.) Explain the sequential mechanism involved in heterochromatin formation as directed by histone methylation. (3 pts) OR b.) Providing an example of the interferon gene, describe how sequential chemical modifications on histone tails facilitate promoter activation to initiate gene transcription. (3 pts) OR c.) What is a Chromodomain? Explain the role of Chromodomain in regulating gene expression. (3 pts)
Read DetailsDeschenes Questions: 42-45 A prokaryotic mRNA transcribed fr…
Deschenes Questions: 42-45 A prokaryotic mRNA transcribed from the E. coli araB gene has the sequence: 5’- UUUGGAUGGAGUGAAACGAUGGCGAUUGCA-3’ Two potential initiator AUG sequences are indicated in bold font. How does the incoming ribosome and initiator tRNA-MET know where to start translating (1 pts)?
Read DetailsATTEMPT ANY TWO (If you answer all three, Dr. Davé will rev…
ATTEMPT ANY TWO (If you answer all three, Dr. Davé will review them all and select the best two for a maximum of 6 points.) If the Adenine (A) in the YURAC intronic sequence is lost, explain in mechanistic detail what will be its effect on RNA splicing. (3 pts) OR Describe the unique features of 5’-Cap of the Eukaryotic mRNA in chemical terms and state the importance of the 5’-CAP structure. (3 pts) OR Describe the function of TBP, TFIIB and TFIIH in PIC formation during initiation of (3 pts)
Read DetailsATTEMPT ANY TWO (If you answer all three, Dr. Davé will revi…
ATTEMPT ANY TWO (If you answer all three, Dr. Davé will review them all and select the best two for a maximum of 6 points.) a.) Explain (with names) four disease syndromes with chromosomal abnormalities (3 pts) OR b.) Give three features of Z-DNA and compare/contrast it with features of regular B-DNA (3 pts) OR c.) Draw a representative chromosome structure and identify the various cytogenetic features. (3 pts)
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