Question

The two samples of DNA, A and B have melting temperatures 340 and 350K respectively. Draw conclusion from this data regarding their base content.

Solution

The B sample of DNA having higher melting point must be having more GC content as compared to sample A. Since GC base pair having 3 hydrogen bonds as compared to AT base pair having only 2 hydrogen bonds, results in stronger bonding.

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Biomolecules

The two samples of DNA, A and B have melting temperatures 340 and 350K respectively. Draw conclusion from this data regarding their base content.

Some More Questions From Biomolecules Chapter

How do you explain the absence of aldehyde group in the penta acetate of D-glucose?

The melting points and solubility of water of amino acids are generally higher than that of the corresponding halo acids. Explain.

Where does the water present in the egg go after the boiling the egg?

Why cannot vitamin C be stored in our body?

What products would be formed when a nucleotide from DNA containing thymine is hydrolysed?

When RNA is hydrolysed, there is no relationship among the quantities of different bases obtained. What does this fact suggest about the structure of RNA?

What is a biomoiecule?

Define carbohydrates.

Give one example each of (i) Reducing sugar and (ii) Non-reducing sugar.

Name the anomers of glucose.

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