Structure and Topology of DNA – DNA, RNA and the Genetic Code
About the Lecture
The lecture Structure and Topology of DNA – DNA, RNA and the Genetic Code by Kevin Ahern, PhD is from the course Biochemistry: Basics.
Included Quiz Questions
Which of the following is NOT true about deoxyribonucleotides?
- They all are encoded by RNA polymerase.
- They all contain at least one phosphate.
- They all contain deoxyribose.
- They all contain at least one base.
- They are most commonly represented by the letters: A, T, G, C.
Which of the following is true of nucleic acids?
- They have directional polarities arising from the sugars they contain.
- They contain phosphodiester bonds that join the bases.
- They have a positively charged phosphate backbone.
- They contain peptide bonds.
- Two nucleic acids are joined by a glycosidic linkage.
How many base pairs are present per turn of a DNA helix in the B-form of DNA?
- 10.5
- 10
- 11
- 12
- 8
What is the central dogma of molecular biology?
- It states DNA codes for RNA which codes for proteins.
- It has never been modified.
- It is different in bacteria than in humans.
- It states that DNA makes protein and RNA.
- It states proteins code for RNA which code for DNA.
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Author of lecture Structure and Topology of DNA – DNA, RNA and the Genetic Code
Kevin Ahern, PhD
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