For many drugs, metabolism occurs in 2 phases. Phase I reactions involve formation of a new or modified functional group or cleavage (oxidation, reduction, hydrolysis); these reactions are nonsynthetic.
Use a capital letter for the first letter in the name when a noun is part of a name such as Calhoun High School. Use a capital letter in the case of a proper noun and in words that come from that proper noun. Examples: Texas and Texan. Use capital letters when naming religions, gods and any language.
Now you have a better idea of how to use capitals in your writing. Good luck with your next piece! Exceptions to the small words rule do exist! Short verb forms such as is, are, and be must always be capitalized within titles, regardless of their location.