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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
If a double stranded DNA has 20% of cytosine, what will be the percentage of adenine in it?
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Protein helping in opening of DNA double helix in front of replications fork is ______.
How far is each base pair from the next one in DNA double helix model?
H-bonds between Cytosine and Guanine are ______.
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There is no DNA in ______.
During in vitro synthesis of DNA, a researcher used 2’, 3’ – dideoxy cytidine triphosphate as raw nucleotide in place of 2’-deoxy cytidine. What would be the consequence?
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?
Polymerase chain reaction (PCR) amplifies DNA following the equation.
