Podcast
Questions and Answers
What type of DNA conformation is less condensed on EM and more accessible to a transcription factor during transcription?
What type of DNA conformation is less condensed on EM and more accessible to a transcription factor during transcription?
- Epichromatin
- Metachromatin
- Euchromatin (correct)
- Heterochromatin
Which protein facilitates the process of tying nucleosome beads together in a string to stabilize chromatin?
Which protein facilitates the process of tying nucleosome beads together in a string to stabilize chromatin?
- Histone H4
- Histone H3
- Histone H1 (correct)
- Histone H2A
What process usually reversibly suppresses DNA transcription?
What process usually reversibly suppresses DNA transcription?
- Nucleosome formation
- Histone methylation (correct)
- DNA methylation
- Histone acetylation
What gives histones their positive charge, which provides them affinity for negatively charged DNA?
What gives histones their positive charge, which provides them affinity for negatively charged DNA?
During which phase of the cell cycle does synthesis of DNA and histones occur?
During which phase of the cell cycle does synthesis of DNA and histones occur?
What provides the energy to bond nucleotides?
What provides the energy to bond nucleotides?
What molecule does deamination of cytosine yield?
What molecule does deamination of cytosine yield?
How many hydrogen bonds are there between adenine and thymine?
How many hydrogen bonds are there between adenine and thymine?
Which type of bond links nucleotides?
Which type of bond links nucleotides?
What enzyme converts the ribonucleotide dUMP to deoxythymidine monophosphate (dTMP)?
What enzyme converts the ribonucleotide dUMP to deoxythymidine monophosphate (dTMP)?
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