Eukaryotic Gene Expression – Complexity of RNA Structure
Über den Vortrag
Der Vortrag „Eukaryotic Gene Expression – Complexity of RNA Structure“ von Kevin Ahern, PhD ist Bestandteil des Kurses „RNA and the Genetic Code“.
Quiz zum Vortrag
Which of the following statements about nucleosomes is not correct?
- Histone H1 is found in the center of the octet core.
- It contains two copies each of histones H2a, H2b, H3, and H4.
- DNA is wrapped around the histones.
- The negatively charged DNA is attracted to the positively charged histones.
- Histones are composed of basic amino acids.
Which of the following is true regarding the acetylation of histones?
- It causes them to be less positively charged.
- It occurs on glycine side chains.
- It causes transcription to be inactivated.
- It creates heterochromatin.
- Acetyl-CoA covers positive charges of glycine.
Enhancer sequences in the eukaryotic DNA help in doing what?
- Binding and set-up of the transcriptional machinery.
- Deacetylation of the H1 protein.
- Ubiquitination of H2A and H2B proteins.
- Binding of helicase and topoisomerase enzymes along with DNA polymerase at the centromere of the chromosome.
- Binding of the nucleases to the damaged DNA sequence.
Which enzyme helps in the conversion between euchromatin and heterochromatin?
- Histone deacetylase
- Topoisomerase
- Nuclease
- Phosphorylase
- Phosphofructokinase
Diese Kurse könnten Sie interessieren
Dozent des Vortrages Eukaryotic Gene Expression – Complexity of RNA Structure
Kevin Ahern, PhD
Dr. Kevin Ahern is a Professor in the Department of Biochemistry and Biophysics at Oregon State University (OSU), USA.
He obtained his PhD in Biochemistry from Oregon State University. Currently, he teaches courses for health sciences students at OSU.
He is co-author of three Open Educational electronic textbooks on Biochemistry and a Guide to Getting Into Medical School.
Due to his achievements, he earned OSU’s highest teaching recognition, the Elizabeth P. Ritchie Distinguished Professor Award in 2017.
Within Lecturio, Dr. Ahern teaches courses on Biochemistry and on "How to Get into Medical School”.
Kundenrezensionen
5,0 von 5 Sternen
| 5 Sterne |
|
5 |
| 4 Sterne |
|
0 |
| 3 Sterne |
|
0 |
| 2 Sterne |
|
0 |
| 1 Stern |
|
0 |
