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Competitive inhibitors have a similar shape to the substrate and they compete with the substrate to bind to the enzymes active site. When they bind to the active site, they block the substrate from binding. ...

• Both dominant and recessive allele frequencies will remain constant assuming the absence of migration, mutation and selection• p 2 + 2pq + q 2 = 1• Where p=frequency of A/N; p=frequency of a/N

• Hydrogen bonds holding base pairs in the anti- parallel strands are broken by an enzyme; the two halves of the molecule separate • DNA unwinds and the strands separate; DNA polymerase catalyses the additio...

Describe the problems that arise due to cystic fibrosis • Produce thick, sticky mucus from epithelial cells lining certain passageways in body • Pancreatic duct becomes blocked preventing enzymes reaching du...

The major difference between pre-mRNA and mRNA is that pre-mRNA is the immediate product of transcription which is comprised of both exons (coding sequences) and introns (non-coding sequences). After transcr...