Each enzyme's active site is suitable for one specific type of substrate – just like a lock that has the right shape for only one specific key. Changing the shape of the active site of an enzyme will cause its reaction to slow down until the shape has changed so much that the substrate no longer fits.
At STP, potassium is classified as a solid specifically a metallic solid. At these conditions, the element is neither a molecular solid nor an ionic solid since both needs electron movement. Potassium exists in its metallic form. Hope this answers the question.
Properties and characteristics
The DNA strand is taatgagcgtagagattgt
