(1) denaturation of the template into single strands; (2) annealing of primers to each original strand for new strand synthesis; and (3) extension of the new DNA strands from the primers.
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B. An oak tree grows from the seed material in an acorn
The answer is 2) 12 '''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''
First is vertical axis second is optical centre third is focal point fourth is curvature fifth is focal length and sixth is principal axis
