Biology
Grade-7
Easy
Question
Which of the following is the bearer of genetic information?
- RNA
- Nitrogen
- DNA
- Chromosome
Hint:
The chain of nucleic acid that contains thymine and not uracil.
The correct answer is: DNA
- DNA or deoxyribonucleic acid is the genetic material for most of the living organisms, except a few viruses
- DNA consists of two anti-parallel strands that form a helical structure
- DNA is made up of nucleotides
- Nucleotides contain ribose sugars and phosphate attached to nitrogenous bases
- The nitrogenous bases can be adenine, guanine, cytosine and thymine
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