Shortening is a semi-solid fat made from vegetable oil that is commonly used for frying foods. True False Question 31 1 pts Most fat digestion takes place in the stomach. True False Which of the following is manufactured by the liver and is a major constituent of cell membranes? Sterols Lecithin Glycerol Bile Fatty acids Question 33 1 pts Fatty acids may differ from one another in: chain length and in the number of nitrogen atoms. degree of saturation and in the number of sulfur atoms. the number of calories and in whether they contain carbon atoms. chain length and degree of saturation. whether they contain carbon and in degree of saturation. Which compound emulsifies fat in the small intestine during digestion? Lipoproteins Bile Pancreatic lipases Gastric secretions Bicarbonate Question 35 1 pts Essential fatty acids: can be obtained only from fish oils. can be synthesized in the body. are monounsaturated fatty acids. are harmful for body health. must be supplied by the diet. Which of the following statements is true of trans-fatty acids? They are synthesized by the body. Their amounts are never listed on food labels. They are produced when polyunsaturated oils are hydrogenated. They do not contain double bonds. They lower blood LDL cholesterol when consumed. Question 37 The growth of well-fed vegetarian children is similar to that of their meat-eating peers. True False Protein catalysts that facilitate chemical reactions are lysosomes enzymes lipoproteins hormones antibodies Question 39 1 pts All of the following are essential amino acids EXCEPT: tryptophan. valine. tyrosine. lysine. alanine. Shortening is a semi-solid fat made from vegetable oil that is commonly used for frying foods. True False Question 31 1 pts Most fat digestion takes place in the stomach. True False Which of the following is manufactured by the liver and is a major constituent of cell membranes? Sterols Lecithin Glycerol Bile Fatty acids Question 33 1 pts Fatty acids may differ from one another in: chain length and in the number of nitrogen atoms. degree of saturation and in the number of sulfur atoms. the number of calories and in whether they contain carbon atoms. chain length and degree of saturation. whether they contain carbon and in degree of saturation. Which compound emulsifies fat in the small intestine during digestion? Lipoproteins Bile Pancreatic lipases Gastric secretions Bicarbonate Question 35 1 pts Essential fatty acids: can be obtained only from fish oils. can be synthesized in the body. are monounsaturated fatty acids. are harmful for body health. must be supplied by the diet. Which of the following statements is true of trans-fatty acids? They are synthesized by the body. Their amounts are never listed on food labels. They are produced when polyunsaturated oils are hydrogenated. They do not contain double bonds. They lower blood LDL cholesterol when consumed. Question 37 The growth of well-fed vegetarian children is similar to that of their meat-eating peers. True False Protein catalysts that facilitate chemical reactions are lysosomes enzymes lipoproteins hormones antibodies Question 39 1 pts All of the following are essential amino acids EXCEPT: tryptophan. valine. tyrosine. lysine. alanine