Question
Download Solution PDFWhich of the following statements is INCORRECT regarding DNA?
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFThe correct answer is The bases found in DNA come in only three varieties: adenine, cytosine and guanine.
Key Points
- DNA
- DNA stands for Deoxyribonucleic Acid.
- There are four types of nitrogen bases;
- i.e. Adenine (A), Thymine (T), Guanine (G), and Cytosine (C). Hence, Option 1 is incorrect.
- DNA is the molecule that is the hereditary material in all living cells because it contains the genetic code which are instructions needed for an organism to grow, develop, survive and reproduce. Hence, option 3 is correct.
- So, DNA is called the blueprint of life.
- DNA is made up of a polymer chain comprised of smaller monomers called nucleotides.
- Each nucleotide has three-part i.e. a sugar group, a phosphate group, and a nitrogen base. Hence, option 4 is correct.
- A gene consists of enough DNA to code for one protein, and a genome is simply the sum total of an organism's DNA. DNA is long and skinny, capable of contorting it into chromosomes. Hence, Option 2 is correct.
Last updated on Jun 3, 2025
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