Match the following attachment (Column I) with definition(Column II).

Column I	Column II
A. Monotelic Attachment	I. When sister kinetochores attach to microtubules emanating from opposite spindle poles, they are stably attached.
B. Syntelic Attachment	II. When one kinetochore attaches to microtubules emanating from two opposite spindle poles.
C. Amphitelic Attachment	III. When both sister kinetochores attach to microtubules emanating from the same spindle pole.
D. Merotelic Attachment	IV. When only one of the two sister kinetochores attaches to microtubules.

Which of the following is correct?

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#Question id: 2714

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HAT enzymes react with the side-chain of lysine to form the following structure. What effect will the HAT enzymes have on histones?

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#Question id: 2715

#SCPH05 I Biotechnology

The interaction between the positively charged amino terminus of histone __________ and a negatively charged region of the histone fold domain of histone __________ is particularly important for 30 nm fibre formation.

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#Question id: 2716

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With respect to assembly of every core histone which of the following is wrong?

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#Question id: 2717

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To reseal the DNA backbone where does topoisomerase gets the energy from?

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#Question id: 2719

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The distinct zig-zag appearance of the chromatin fibre is due to ____________

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#Question id: 2720

#SCPH05 I Biotechnology

In one strand of a double stranded DNA the rate of occurrence of A is 3 times C in consecutive 10 bases. So how many G will be there in 100 base pairs of a DNA duplex? [Consider G=T in one strand].