1》 All stars die, and eventually — in about 5 billion years — our sun will, too. Once its supply of hydrogen is exhausted, the final, dramatic stages of its life will unfold, as our host star expands to become a red giant and then tears its body to pieces to condense into a white dwarf.
Two environmental factors that influence the shape of proteins are pH and temperature.
The term for when the shape of a protein is altered, is denaturation. The impact is has on the proteins ability to function, is that is changes and loses their function.
Organisms mainly use two types of molecules for chemical energy: glucose and ATP. Both molecules are used as fuels throughout the living world. Both molecules are also key players in the process of photosynthesis.
