9. Which is the empirical thrinuita of carbohydrales? A. (CH_(2)O)n B. (CH_(2)O)2n C. (CHO)_(n) D. CnH_(2)O_(n) 10. Identify an aldotriose in the list A. Glyceraldchyde B.Dihydroxyacetone c Ribose D. Erythrose 11. Which of the following interactions stabilize the quatemary protein structure A. Elestrostatic forves B. Hydrogen bonds C. Hydrophobic bonds D. All of the above 12. Which of the following amino acid can destabilize a helix A . Cysteine B. Asparagine C.Threonine D. All of the above 13. How many levels of structure can a protein exist? A. 2 B. 3 C. 4 D. None of the above 14. Which is the gencral formula of fatty acids A. R-COO- B. R-COOH C. R-HCOO- D.COOH 15. The carbon-2 in fatty acids is also referred to ns __ A. Alpha (a) Carbon B. Beta (beta ) Catron C. Delta (Delta ) Caron D. Gamme (gamma ) Carbon 16. In saturated fally acid the position of a double bond is showed by? A. A(delta) symbol fallowed by a number B. A (delia) symbol followed by superscript number C. 4 (delta) symbol followed by subscript number D. None of the above A. Length of the chain 17. Which fatty acid below has lower melting point than the rest A. Stearic acid (18:0) B. Oleic acid (18:1) C. Linoleic acid (18:2) D. Eicosancic scid (18:3)

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9. Which is the empirical thrinuita of carbohydrales? A. (CH_(2)O)n B. (CH_(2)O)2n C. (CHO)_(n) D. CnH_(2)O_(n) 10. Identify an aldotriose in the list A. Glyceraldchyde B.Dihydroxyacetone c Ribose D. Erythrose 11. Which of the following interactions stabilize the quatemary protein structure A. Elestrostatic forves B. Hydrogen bonds C. Hydrophobic bonds D. All of the above 12. Which of the following amino acid can destabilize a helix A . Cysteine B. Asparagine C.Threonine D. All of the above 13. How many levels of structure can a protein exist? A. 2 B. 3 C. 4 D. None of the above 14. Which is the gencral formula of fatty acids A. R-COO- B. R-COOH C. R-HCOO- D.COOH 15. The carbon-2 in fatty acids is also referred to ns __ A. Alpha (a) Carbon B. Beta (beta ) Catron C. Delta (Delta ) Caron D. Gamme (gamma ) Carbon 16. In saturated fally acid the position of a double bond is showed by? A. A(delta) symbol fallowed by a number B. A (delia) symbol followed by superscript number C. 4 (delta) symbol followed by subscript number D. None of the above A. Length of the chain 17. Which fatty acid below has lower melting point than the rest A. Stearic acid (18:0) B. Oleic acid (18:1) C. Linoleic acid (18:2) D. Eicosancic scid (18:3)

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9. The empirical formula of carbohydrates is:A.

10. An aldotriose in the list is:A. Glyceraldehyde11. Which of the following interactions stabilize the quaternary protein structure?D. All of the above12. Which of the following amino acids can destabilize an alpha helix?A. Cysteine13. How many levels of structure can a protein exist?C. 414. The general formula of fatty acids is:A.

15. The carbon-2 in fatty acids is also referred to as:A. Alpha (α) Carbon16. In saturated fatty acids, the position of a double bond is shown by:A. A delta (Δ) symbol followed by a number17. Which fatty acid below has a lower melting point than the rest?B. Oleic acid (18:1)

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