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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
If a double stranded DNA has 20 per cent of cytosine, calculate the per cent of adenine in the DNA.
If a double stranded DNA has 20% of cytosine, what will be the percentage of adenine in it?
In some viruses, RNA is present instead of DNA indicating that ______.
The fact that a purine base always paired through hydrogen bonds with a pyrimidine base leads to, in the DNA double helix ______.
What is the nature of the strands of the DNA duplex?
Protein helping in opening of DNA double helix in front of replications fork is ______.
There is no DNA in ______.
______ occurs in RNA instead of the nitrogenous base thymine found in DNA.
Which of the following is a purine?
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?
