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.
Slide 2. Introductory paragraphs are the portion of the essay that come before the thesis statement. The Thesis statement is usually the last sentence of the introductory paragraph. The introductory paragraph should grab the readerâs attention and make him or her want to read the essay.