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.
Be aware there is a ruling which states that you should use capital letters for the names of the seasons when they are personified (i.e., when they are given human traits). This is not a common convention, but it's quaint. The four seasons (spring, summer, autumn () / fall (), and winter) are not written with capital letters. The names of the seasons are considered common nouns not proper nouns.