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प्रश्न
What is the smallest part of a DNA molecule that can be changed by a point mutation?
पर्याय
Oligonucleotide
Codon
Gene
Nucleotide
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उत्तर
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.
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संबंधित प्रश्न
Group the following as nitrogenous bases and nucleosides:
Adenine, Cytidine, Thymine, Guanosine, Uracil and Cytosine.
Chargaff’s rules are applicable to ______.
What is the nature of the strands of the DNA duplex?
A short piece of DNA, having 20 base pairs, was analyzed to find the number of nucleotide bases in each of the polynucleotide strands. Some of the results are shown in the table.
| Number of nucleotide bases | ||||
| Adenine | Cytosine | Guanine | Thymine | |
| Strand 1 | 4 | 4 | ||
| Strand 2 | 5 | |||
How many nucleotides containing Adenine were present in strand 2?
What structural difference exists between the pentose sugar found in DNA and the pentose sugar found in RNA?
What type of bond connects a nitrogenous base to the pentose sugar in a nucleotide?
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, where are the nitrogenous bases located?
Pyrimidines differ from purines in their basic structural feature. Which statement is correct?
