Answer:
Noncoding DNA does not provide instructions for making proteins. ... Such elements provide sites for specialized proteins (called transcription factors) to attach (bind) and either activate or repress the process by which the information from genes is turned into proteins (transcription).
Explanation:
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Spindle fibres are important for assembling the chromosomes at the centre of the cell. Without this the chromosomes would not align and the stages cannot procede. Therefore the cell would not divide