Q.

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a

The polarity of the template strand during transcription is 5’→3’.

b

The polarity of the template strand during transcription is 3’→5’.

c

All the reference point while defining a transcription unit is made with template strand.

d

In eukaryotes there are 5 types of RNA polymerases.

answer is B.

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Detailed Solution

The DNA-dependent RNA polymerase also catalyse the polymerisation in only one direction, that is, 5'→3'. Therefore, the polarity of the template strand during transcription is 3’→5’.
All the reference point while defining a transcription unit is made with coding strand.
In eukaryotes there are 4 types of RNA polymerases.

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Identify the correct statement