LAST PAGE OF QUESTIONS 1 Which of the following is a nonpola

LAST PAGE OF QUESTIONS: 1. Which of the following is a non-polar covalent bond? A. bond between 2 carbon atoms B. bond between sodium and chloride bond between 2 water molecules D. bond between hydrogen and nitrogen atoms 2. Glucose is classified as a and sucrose as a A- monosaccharide: dis B. monosaccharide: monosaccharide C. disaccharide: polysaccharkde D. disaccharide; disaccharide 3. Carbohydrates are stored n the liver and muscles in the form of A, glucose. B. triglycerides. C. glycogen. D. cholesterol. 4. Lecithin is A. a ca B. a protein C, a D. a phospholipid. 5. Which of the following lipids have regulatory roles in the body? A. steroids B. prostaglandins C, triglyceride D. both A and B E. both B and C 6. The carbon-to-nitrogen bond that joins amino acids together is called A. a glycosidic bond B. a peptide bond. C, a hydrogen bond. D. a double bond. 7. In functional groups, a peptide bond is also called organic chemistry A. a ketone group. B. a double bond. C, an amide group. D. an alcohol group.

Solution

Option A is true; both atoms are neutral atoms Option A is true; first is a mono structure second is form by glucose and fructose Option C is true; it is inert for storing at highly packed form Option D is true; a general term for fatty acids Option D is true; steroids work as hormone and prostaglandins are mediators Option A is true; bond between C and N of COOH and NH2 respectively Option C is true Option B is true Option D is true; A-U, G-C, C-G, T-A in RNA from DNA Option B is true; it transports water, ions and other molecules