Podcast
Questions and Answers
Which of the following represents the correct order of components in a nucleotide?
Which of the following represents the correct order of components in a nucleotide?
- Phosphate, Base, Sugar
- Phosphate, Sugar, Base
- Sugar, Base, Phosphate (correct)
- Base, Sugar, Phosphate
Which of the following pairs represents purine bases?
Which of the following pairs represents purine bases?
- Cytosine and Thymine
- Guanine and Adenine (correct)
- Adenine and Cytosine
- Adenine and Thymine
During DNA replication, which tautomeric shift can lead to base-pairing errors?
During DNA replication, which tautomeric shift can lead to base-pairing errors?
- Keto-Enol Tautomerism (correct)
- Lactam-Lactim Tautomerism
- Imine-Amide Tautomerism
- Enamine-Imine Tautomerism
What type of bond is responsible for stabilizing the helical structure of DNA?
What type of bond is responsible for stabilizing the helical structure of DNA?
Which enzyme is primarily responsible for proofreading and correcting errors during DNA replication?
Which enzyme is primarily responsible for proofreading and correcting errors during DNA replication?
Which of the following represents a non-Watson-Crick base pair with guanine in DNA?
Which of the following represents a non-Watson-Crick base pair with guanine in DNA?
During DNA replication, which strand is synthesized discontinuously in the 5' to 3' direction?
During DNA replication, which strand is synthesized discontinuously in the 5' to 3' direction?
How many hydrogen bonds are formed between guanine (G) and cytosine (C) in DNA?
How many hydrogen bonds are formed between guanine (G) and cytosine (C) in DNA?
Which tautomeric shift during DNA replication can lead to base-pairing errors?
Which tautomeric shift during DNA replication can lead to base-pairing errors?
In RNA, what base pairs with thymine?
In RNA, what base pairs with thymine?
Which of the following best describes a transversion mutation?
Which of the following best describes a transversion mutation?
What is the primary characteristic of a missense mutation?
What is the primary characteristic of a missense mutation?
What is the consequence of a frameshift mutation?
What is the consequence of a frameshift mutation?
Which of the following oxidative lesions is commonly repaired by the base excision repair (BER) pathway?
Which of the following oxidative lesions is commonly repaired by the base excision repair (BER) pathway?
What is the consequence of a nonsense mutation?
What is the consequence of a nonsense mutation?
