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General, Organic, and Biological Chemistry - 4th edition
- Describe whether each of the following substances serves primarily as an energy source, a form of stored energy, or a structural material some serve as more than one: a. cellulosec. glycogen b. sucrose, table sugard. starcharrow_forward17. In the urea cycle, ions are converted to urea. Da. pynuvate Ob. sodium Oc, ammonium Od. glutamate 18. Amino acids that are degraded into are termed ketogenic. Oa. a-ketoglutarate b. oxaloacetate Oc. fumarate Od. acetyl CoA 19. When 100 mg of a substance are required daily by the body, the substance would be classified as a a. micronutrient Ob. macronutrient C. nonessential nutrient d. more than one choice is correct 20. What role do most of the water-soluble vitamins have in the body? ca. catalysis b. hormone precursors Oc. components of cell membranes d. coenzymesarrow_forwardX Animals preserve as a form of energy in their bodies. Glucose Fat Starch Cellulosearrow_forward
- 4. Isopropyl alcohol is commonly known as rubbing alcohol. Seventy percent rubbing alcohol is a disinfectant because it is believed to kill microorganisms by means of dehydration O denaturation of bacterial proteins disruption of bacterial protein synthesis O disruption of bacterial cell wall synthesisarrow_forwardActivity 1. Carbohydrates Study the structure and answer the question below. H. CH2OH C=0 H-C-OH H-C-OH но-с—н но-с-н но-с-н н-с-ОН H-C-OH но-с-н н-с-он ČH2OH н-с-он H-C-OH ČH2OH ČH2OH Glucose Galactose Fructose 1. What are the elements you notice in the structures? 2. What do you notice with the carbon: hydrogen: oxygen (C: H: O) ratio in each structure? (Note: To answer these count the number of C, H, and O in the structure. 3. Now, look at the structure below. a. Did you see any similarities with the three structures? b. Do they have same kind of elements? c. What differences did you noticed with their structures? A. В. CH,OH ÇHOH ÇHOH 0- O. H. H H. H H OH H OH Но OH H H но OH H OH H OH OH C. CH2OH CH2OH CH2OH Он OH ÓH ÓHarrow_forwardThe metabolism of glucose produces CO2 and H2O, how does the human body expect these reaction products?arrow_forward
- The number of ATP molecules consumed and produced during glycolysis under anaerobic conditions are summarized in the following diagram (the ATP hydrolysis and synthesis reactions are shown in green). Phosphate Carbon atom 2 ATP 2 ADP ●●●●●● Glucose I Energy-Investing Phase O 2 ATP O 6 ATP O 1 ATP 8 ATP NADH + NAD* +H* O 4 ATP ●●●● 2 ADP 2 ATP NADH + NAD +H Based on the diagram above, for each glucose molecule broken down, what is the net energy yield of glycolysis in terms of ATP under anaerobic conditions? Pyruvate 2 ADP 2 ATP ●●●●● Energy-Generating Phase Pyruvatearrow_forwardDraw the cardiac pharmaceutical digitalis to represent the energy form. RO CH3 k I CH3 OH Rarrow_forward36. From the equation below, which statement is CORRECT?* CH,=CH2(g) + H,O(g) –H.SOL» CH;CH,OH(g) A. Ethanol can be prepared by oxidation reaction. B. Ethanol can be prepared by addition reaction. C. Water is combined with acetylene to produce ethanol. O D. Both B and Carrow_forward
- Activity 1. Carbohydrates Study the structure and answer the question below. 重重重 H. CH2OH C=0 H-C-OH H-C-OH но-с-н но-с-н но-с—н н-с-ОН H-C-OH но-с-н н-с-он н-с-он н-с-он ČH2OH ČH2OH ČH2OH Glucose Galactose Fructose 1. What are the elements you notice in the structures? 2. What do you notice with the carbon: hydrogen: oxygen (C: H: O) ratio in each structure? (Note: To answer these count the number of C, H, and O in the structure. 3. Now, look at the structure below. a. Did you see any similarities with the three structures? b. Do they have same kind of elements? c. What differences did you noticed with their structures? A. В. CH,OH ÇHOH ÇHOH 0- O. H H. OH Но H. H H он OH H H но OH H OH H OH H. OH C. CH2OH CH2OH CH2OH OH OH OH ÓH ÓHarrow_forwardYou decide to go on a diet to lose 5 lbs (1 lb = 454 g). Fatty tissue consists of about 85% fat and 15% water. How many Calories (kcal) must be eliminated from your regular intake to lose that weight? Fat contains 9.0 kcal/g.arrow_forwardDetermine the direction that each of the reactions will progress. Assume that the reactants and products are present in equimolar amounts. The standard free energy of hydrolysis of ATP is –30.5 kJ/mol. fructose+ATP ____fructose 6‑phosphate+ADP The standard free energy of hydrolysis for fructose 6‑phosphate is −15.9 kJ/mol. 3‑phosphoglycerate+ATP___1,3‑bisphosphoglycerate+ADP The standard free energy of hydrolysis for 1,3‑bisphosphoglycerate is −49.3 kJ/mol. creatine+ATP___creatine phosphate+ADP The standard free energy of hydrolysis for creatine phosphate is –43.0 kJ/mol.arrow_forward
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