Helicase enzyme is responsible for the breakage of
I. Covalent bonds
II. Hydrogen bonds
III. Ionic bonds

I only

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II only

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III only

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I and II

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I, II, and III

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Solution

The correct option is B II only
Helicase enzyme moves along the double stranded DNA and separates the strands by breaking hydrogen bonds between base pairs. ATP hydrolysis provides the required energy for breaking of hydrogen bonds. it does not affect covalent bonds and ionic bonds. Thus, the correct answer is option B.

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Similar questions

The helicase enzyme breaks

I. Covalent bonds

II. Hydrogen bonds

III. Ionic bonds

H C N, C_{2} H_{2} a n d O_{2}

N_{2} H_{4}, C_{2} H_{6} a n d N H_{3}

N H_{4}^{+ 1}, H_{3} O^{+} a n d N i (C O)_{4}

K 4 [F e (C N)_{6}] a n d [A g (N H_{3})_{2}] C l

N_{2} O_{5}

N_{2} O_{5}

The type of bonds present in compound $C a C_{2}$ are:

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