Question : DNA shows hyperchromicity on:
Option 1: heating
Option 2: cooling
Option 3: crystallizing
Option 4: replication
Correct Answer: heating
Solution : The correct option is heating.
When DNA is heated or denatured, it becomes hyperchromic. The absorption of UV light rises as the DNA strands split, owing to the breakage of hydrogen bonds between complementary base pairs, resulting in hyperchromicity.
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Question : The enzyme which catalyses the unwinding of DNA helix during replication is:
Question : The cooling by desert cooler is based on:
Question : ______ is a naturally occurring phenomenon that is responsible for the heating of the Earth’s surface and atmosphere.
Question : If $W_{1}:W_{2}= 2:3$ and $W_{1}:W_{3}= 1:2$, then $W_{2}:W_{3}$ is:
Question : Rate of cooling depends on the:
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