A nucleophile is an electron-rich species which attacks an electron-deficient center in an organic molecule. It can either be a species with a negative charge or a lone pair of electrons. Answer and Explanation: Based on the given definition, the...
What molecule transports amino acids to the ribosomes? Essential amino acids cannot be synthesized by our body. Which of the following is not an essential amino acid. a) Leucine b) Valine c) Serine d) Methionine What...
The dehydration of cyclohexanol is performed by removing the OH group for the molecule to be less polar, thus soluble in hexane. The current process used is fractional distillation. In this method, cyclohexanol is heated until it reaches its boiling point at 190 °C. The product is then colle...
A) a protein with tertiary structure B) a molecule formed from three alcohols C) a lipid made of three fatty acids and glycerol D) a carbohydrate with three sugars E) a kind of lipid that makes up much of the plasma membrane B) uracil. C) adenine. D) guanine. E) thymine. B) ...
1. Which of the following molecule can Hydrogen bond to another molecule of itself? Which can hydrogen bond with water? a. CH_3 OCH_3 b. CH_3 CONH_2 2. Draw the structure (dash formula) of an alkane Decide which of the following bonds is least polar o...
Which is a nonpolar molecule with a polar covalent bond? \\ A.\ HCl\\ B.\ NH_3\\ C.\ H_2O\\ D.\ CO_2 Which of the following is a nonpolar covalent bond (pure covalent)? a. H-Cl b. Li-Br c. Se-Br d. Br-Br Choose the c...