Advertisements
Advertisements
Question
What is the smallest part of a DNA molecule that can be changed by a point mutation?
Options
Oligonucleotide
Codon
Gene
Nucleotide
Advertisements
Solution
Nucleotide
Explanation:
It is made up of phosphate and nucleoside groups and is the smallest unit of DNA. the basic building block of nucleic acids like DNA and RNA. It is subject to point mutation.
APPEARS IN
RELATED QUESTIONS
Group the following as nitrogenous bases and nucleosides:
Adenine, Cytidine, Thymine, Guanosine, Uracil and Cytosine.
If a double stranded DNA has 20 per cent of cytosine, calculate the per cent of adenine in the DNA.
______ occurs in RNA instead of the nitrogenous base thymine found in DNA.
What structural difference exists between the pentose sugar found in DNA and the pentose sugar found in RNA?
Which end of a polynucleotide chain contains a free phosphate group?
The backbone of a polynucleotide chain is formed by which components?
In a DNA double helix, what is the spatial relationship between the two polynucleotide strands?
What is the significance of the 2′-OH group in ribose compared to deoxyribose?
Which of the following nitrogenous bases is classified as a purine with a double-ring structure?
Why is the name 'deoxyribonucleic acid' appropriate for DNA?
