Function of an enzyme is to lower reaction's activation energy and to increase speed of a reaction, but to make it happen, enzyme and substrate must fit spatially. The shape of an enzyme is essential to make enzyme-substrate complex - if active site of an enzyme doesn't fit to substrate, there won't be a enzyme-catalised reaction.
Liver problems. Failing liver. Something with the hippocampus getting smaller, which will cause your memory to leave you.
<span>Bones are linked together at skeletal joints by </span>cartilage I believe.
It is a nucleic acid. It is found in DNA. It is used to build an organism’s structures. It allows parents and their young to have similar characteristics.
