Nucleic Acids
About the Lecture
The lecture Nucleic Acids by Georgina Cornwall, PhD is from the course The Macromolecules of Life.
Included Quiz Questions
What is attached to the 5' carbon of ribose in a nucleotide?
- Phosphate
- A nitrogenous base
- A sugar
- An –OH group
- A fatty acid chain
The structure of a nucleotide is best described by which statement?
- A nitrogenous base is attached to the first carbon of a ribose molecule, and phosphate is attached to the fifth carbon of the ribose molecule.
- A nitrogenous base is attached to the fifth carbon of a ribose molecule, and phosphate is attached to the first carbon of the ribose molecule.
- A nitrogenous base is attached to the fourth carbon of a ribose molecule, and phosphate is attached to the fifth carbon of the ribose molecule.
- A ribose molecule is attached to the first carbon of a nitrogenous base, and phosphate is attached to the fifth carbon of the nitrogenous base.
- A ribose molecule is attached to the first carbon of a nitrogenous base, and phosphate is attached to the fifth carbon of the ribose molecule.
Which of the following is INCORRECTLY paired with respect to nucleic acids?
- Phosphodiester bond – a bond between the 3' phosphate group and the 5' hydroxyl group
- DNA – hydrogen at the 2' carbon
- RNA – a hydroxyl group at the 2' carbon
- Purines – adenine, guanine
- Pyrimidines – cytosine, thymine, uracil
Which of the following statements best describes purines?
- Double-ringed nitrogenous bases adenine and guanine
- Single-ringed nitrogenous bases adenine and guanine
- Double-ringed nitrogenous bases cytosine, thymine, and uracil
- Single-ringed nitrogenous bases cytosine, thymine, and uracil
- Single-ringed nitrogenous bases adenine, thymine, and uracil
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Author of lecture Nucleic Acids
Georgina Cornwall, PhD
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This lecture is the best for medical student.I found it so useful in molecular biology and genetics and also so studying cardiov
By Damilola A. on 12. December 2017 for Nucleic Acids
The lecture were short and concise and were just thesame as what I needed to learn.
