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 thought the first and third did not need capital letters as they as simple nouns, used in the same way as the word 'mother'. I corrected the second sentence to read: 'I'm happy for Mum' because it's a pronoun. I was told that all instances of the word needed to be capitalized because 'mum' is abbreviated.