Show the decarboxylation of (a) HCOCOOH (glyoxylic acid, found in unripe fruit), (b) HOOCCH2CH2COCOOH (a-ketoglutaric acid,...
Show the decarboxylation of (a) HCOCOOH (glyoxylic acid, found in unripe fruit), (b) HOOCCH2CH2COCOOH (a-ketoglutaric acid, an intermediate formed during the digestion of fats, proteins, and carbohydrates), and (c) a-ketobutyric acid.
Homework Answers
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Show the decarboxylation of (a) HCOCOOH (glyoxylic acid, found
in unripe fruit), (b) HOOCCH2CH2COCOOH (a-ketoglutaric acid,...
Marked out of 2.00 P Flag question Not yet answered Bile Select one: a. has no...
Marked out of 2.00 P Flag question Not yet answered Bile Select one: a. has no effect on digestion b. helps in the digestion of carbohydrates c. helps in the digestion of proteins d. helps in the digestion of both proteins and carbohydrates e. helps in the digestion of fats
4. Conversion of B into C involves hydrolysis of the ester followed by decarboxylation. On the...
4. Conversion of B into C involves hydrolysis of the ester followed by decarboxylation. On the structures provided below, show the electron flow for the decarboxylation step. CH2Ph 5. The initial product formed on decarboxylation is an enol, which rapidly equilibrates to its keto form under the acidic reaction conditions. Write the complete stepwise mechanism for the acid-catalyzed conversion of the enol into its keto form, Compound C. Ph Ph
5. Mammalian urine contains a lot of urea. Urea (nitrogenous waste) is a waste product resulting...
5. Mammalian urine contains a lot of urea. Urea (nitrogenous waste) is a waste product resulting from the digestion of which of the following molecules? a. carbohydrates and fats b. protein and nucleic acids c. nucleic acids and carbohydrates d. fats and proteins
Which substances are secreted by the pancreas? a. Hydrochloric acid and mucus b. Intrinsic factor and...
Which substances are secreted by the pancreas? a. Hydrochloric acid and mucus b. Intrinsic factor and mucus c. Bicarbonate and enzymes d. Mucus and enzymes e. Pepsin and enzymes Mechanical digestion occurs by _____. a. peristalsis b. liver c. breakdown by enzymes d. chewing e. uncoiling by hydrochloric acid Which of the following is a correct statement about fiber in the digestive system? a. Bile emulsifies the fiber making it ready for enzyme action in the small intestine. b. Stomach...
23. Which of the following molecules is not found in the triglycerides of Cow's milk? A)...
23. Which of the following molecules is not found in the triglycerides of Cow's milk? A) Palmitic acid B) Oleic acid C) Stearic acid D) Lauric acid E) Myrisitic acid 24. Milk is a colloidal suspension of A) Fat B) Nucleic acids C) Carbohydrates D) Proteins E) Cholesterol 25. Polyhydroxyalkanaoates, a common biopolymer used in medical sutures, are extracted from bacteria that produce them by fermenting A) Amino acids B) carbohydrates C) nucleic acids D) nucleotides E) Proteins
QUESTION 50 Your girlfriend seems quite thin and is a cheerleader so she gets plenty of...
QUESTION 50 Your girlfriend seems quite thin and is a cheerleader so she gets plenty of exercise. She hardly seems to eat when you go out though, and in addition to team practices, she spends a great deal of time exercising and expresses concern about her weight. Which eating disorder might you suspect? A. Obesity B. Binge-eating disorder C. Bulimia nervosa D. Not so much an eating disorder as just an obsession E. Anorexia nervosa 1 points QUESTION 51...
Digestion Crossword #2 Complete the puzzle using the clues shown below. MITH TUID Across 3. Muscular...
Digestion Crossword #2 Complete the puzzle using the clues shown below. MITH TUID Across 3. Muscular contractions that result in mixing of the contents of the digestive tract. 5. What whole proteins are eventually broken down to 6. One of two types of changes that occur during digestion. 7 The sphincter that prevents stomach contents from re-entering the esophagus. 9. The name for the inside of the tube of the gastrointestinal tract. 10. Process of taking nutrients into the body....
Question 150 pts This is also called non fermentable fiber: Group of answer choices Monosaccharides Disaccharides...
Question 150 pts This is also called non fermentable fiber: Group of answer choices Monosaccharides Disaccharides Insoluble Fiber Soluble Fiber Functional Fiber Flag this Question Question 160 pts Which of the following statements are NOT True concerning fats and lipids? Group of answer choices Fats and oils in food are mostly in the form of triglycerides Lecithin is an example of a sterol Cholesterol is made by the body in adequate amounts to meet our needs Phospholipids are another class...
ANSWER THE FOLLOWING AS TRUE OR FALSE a) _____ there are no saturated fats in...
ANSWER THE FOLLOWING AS TRUE OR FALSE a) _____ there are no saturated fats in vegetable products, only animal products b) _____ hydrogenation takes unsaturated fats and converts them to saturated fats c) _____ humans are capable of utilizing cellulose for food d) _____ amino acids are joined in a specific sequence to form proteins e) _____ cellulose is indigestible to all organisms f) _____ the dissacharide found in mammalian milk is maltose...
1 Provide a term that matches each description below. a Mixture of liquids that are usually...
1 Provide a term that matches each description below. a Mixture of liquids that are usually immiscible b Reagent used to test for the presence of starches c The pH at which the net charge of a protein is zero d Chemical test for the presence of simple carbohydrates such as lactose e Major class of proteins found in milk f Chemical test for the presence of proteins .. g Solid mixture of protein and fat formed by adding acid...
Marked out of 2.00 P Flag question Not yet answered Bile Select one: a. has no effect on digestion b. helps in the digestion of carbohydrates c. helps in the digestion of proteins d. helps in the digestion of both proteins and carbohydrates e. helps in the digestion of fats
4. Conversion of B into C involves hydrolysis of the ester followed by decarboxylation. On the structures provided below, show the electron flow for the decarboxylation step. CH2Ph 5. The initial product formed on decarboxylation is an enol, which rapidly equilibrates to its keto form under the acidic reaction conditions. Write the complete stepwise mechanism for the acid-catalyzed conversion of the enol into its keto form, Compound C. Ph Ph
5. Mammalian urine contains a lot of urea. Urea (nitrogenous waste) is a waste product resulting from the digestion of which of the following molecules? a. carbohydrates and fats b. protein and nucleic acids c. nucleic acids and carbohydrates d. fats and proteins
23. Which of the following molecules is not found in the triglycerides of Cow's milk? A) Palmitic acid B) Oleic acid C) Stearic acid D) Lauric acid E) Myrisitic acid 24. Milk is a colloidal suspension of A) Fat B) Nucleic acids C) Carbohydrates D) Proteins E) Cholesterol 25. Polyhydroxyalkanaoates, a common biopolymer used in medical sutures, are extracted from bacteria that produce them by fermenting A) Amino acids B) carbohydrates C) nucleic acids D) nucleotides E) Proteins
Digestion Crossword #2 Complete the puzzle using the clues shown below. MITH TUID Across 3. Muscular contractions that result in mixing of the contents of the digestive tract. 5. What whole proteins are eventually broken down to 6. One of two types of changes that occur during digestion. 7 The sphincter that prevents stomach contents from re-entering the esophagus. 9. The name for the inside of the tube of the gastrointestinal tract. 10. Process of taking nutrients into the body....
1 Provide a term that matches each description below. a Mixture of liquids that are usually immiscible b Reagent used to test for the presence of starches c The pH at which the net charge of a protein is zero d Chemical test for the presence of simple carbohydrates such as lactose e Major class of proteins found in milk f Chemical test for the presence of proteins .. g Solid mixture of protein and fat formed by adding acid...
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