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प्रश्न
What is the smallest part of a DNA molecule that can be changed by a point mutation?
विकल्प
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
Which property of DNA double helix led Watson and Crick to hypothesise semi-conservative mode of DNA replication? Explain.
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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?
A nucleotide is the monomer unit of a nucleic acid. Which of the following correctly identifies the three components of a nucleotide?
What type of bond connects a nitrogenous base to the pentose sugar in a nucleotide?
The phosphate group in a nucleotide is attached to which carbon of the pentose sugar?
In a DNA double helix, where are the nitrogenous bases located?
