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.
The rules given above should cover 90% of the situations where you would use a colon. However, there are times when these rules are broken, and it is acceptable. For example, notice how we wrote the word directions. We used a colon followed by a capital letter. This is another common usage of the colon which can be found in numerous professional books and periodicals. 2: If the part of the sentence after the colon is a complete idea (independent clause), the first letter of that clause may be capitalized.