Phenylalanine, tyrosine, tryptophan. Aliphatic amino acids: These are ones which have aliphatic groups like -CH2- in between carboxylic and amine moiety. They are the ones excluding aromatic amino acids from the above list of both essential and non-essential ones.
What is a paragraph? A paragraph is a collection of related sentences dealing with a single topic. Learning to write good paragraphs will help you as a writer stay on track during your drafting and revision stages. Good paragraphing also greatly assists your readers in following a piece of writing.
Tips for Good Definition Paragraphs. 1  Start your paragraph with a dictionary or other authority's definition of the word or phrase you are writing about. 2  Add another point, your own, to this definition. 3  Tell your reader one thing that mother's day is not.4  Choose another point and explain it here. Start your paragraph with a dictionary or other authority's definition of the word or phrase you are writing about. 2  Add another point, your own, to this definition.