Step 3: pH Acidic: Could be a carboxylic acid, phenol, or other acidic compound •Neutral: Could be an alcohol, ester, or other neutral compound. •Basic: Could be an amine or other basic compound

6. Identify the following functional groups AND provide an example of one biomolecule containing that functional group. A B C D E Chemical formula - PO, - COH -OH -COOH -NH₂ Structural formula O -O-P-0° 0= 0- N H -OH C=O OH H H Example: Example: Example: Example: Example: Riomolecules:

Match the following terms to the correct definition: disulfıde bonds V [ Choose ] molecular force between non-polar molecules resulting from temporary dipoles covalent bonds between two cysteines salt-bridges intermolecular interactions that occur between the R groups of positively and negatively charged residues bonds between R-groups, carbonyls and amides that are not used in forming the secondary structure van-der Waals forces [ Choose ] internal hydrogen bonds [ Choose ]

3). reactions of the following alkyl iodide. Danny uses potassium tert-butoxide to promote the reaction while Claire uses water and high temperatures. One of their reactions has provided a single elimination isomer while the other has provided a mixture of elimination isomers. Organic chemistry students Danny and Claire are both performing elimination Me H20, heat Danny's Reaction Claire's Reaction H. Me a) Which student's reaction (Danny or Claire) has provided a single elimination isomer? b) Draw all the elimination isomers obtained from both students' reactions. c) Which of the dienes drawn (by you) in question 3b is the most stable? Circle that diene above.