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.
I don't think that difficulty seeing or reading is a good excuse to use all capital letters in forms and in emails because you can zoom in on the web page you are on to make things bigger. If you use all capitals, your email might not reach the recipient or the recipient just won't receive the message well.