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33 Acetic acid is a liquid at room temperature, but aminoacetic acid (glycine) is a solid....
6. Which of the following conversions is accomplished during glycogenesis? a. glucose to glycogen glucose to...
6. Which of the following conversions is accomplished during glycogenesis? a. glucose to glycogen glucose to pyruvate C. starch to glucose Pyruvate to glucose 7. Which of these is most abundant in plant oils? a CH, CH2)2COH b CH, CH, CÓ KÝ C o CH-O-C(CH,)-CH-CH(CH2),CH, 0 0-C(CH.),CHCHCH.CH-CH(CH).CH, O CH-0–C(CH2)-CH, d. CH, -C(CH2)2CH, O CH-C(CH, CH, 0 8. a. b. C. CH-0-C(CH2)-CH, A hexose with a six-sided ring and the C4 hydroxyl group oriented below the ring could be ribose. deoxyribose....
4) Take a look at these structures of monosaccharides (3 pts) *CHOH CHOH CH,OH OH CH,OH...
4) Take a look at these structures of monosaccharides (3 pts) *CHOH CHOH CH,OH OH CH,OH SH HOM HO OH OH H H OH OH H . H OH GLUCOSE HOH GALACTOSE OH FRUCTOSE What is the molecular formula for the the following monosaccharides? a. glucose: C b. fructose: C c. galactose: C 5) A. Show the anomeric carbon. (1 pts) B. Draw B-D-Fructopyranose (2 pts) Fructose Isomers 6) Identify monosaccharide (M), disaccharide (D) or Polysaccharide (P) (3 pts) a....
Please choose the BEST ANSWER. No cell phones, web or cameras, please. 1. Each of the...
Please choose the BEST ANSWER. No cell phones, web or cameras, please. 1. Each of the following enzymes functions in both glycolysis and gluconeogenesis except: A) 3-phosphoglycerate kinase B) aldolase C) enolase D) phosphofructokinase-1 E) phosphohexose isomerase During strenuous exercise, the NADH formed in the glyceraldehyde 3-phosphate dehydrogenase reaction in skeletal muscle must be reoxidized to NAD if glycolysis is to continue. The most important reaction involved in this reoxidation of NADH is: 2. A) dihydroxyacetone phosphate> glycerol 3-phosphate B)...
10 What ie one of the products of the saponification of the following compound? 0 CH,Ho...
10 What ie one of the products of the saponification of the following compound? 0 CH,Ho C(CH3)-CH-CH(CH2),CH, 0 CHLA- (CH).CH o b. CH-0-C(CH2-CH=CHCH-CH-CH(CH3)4CH CH, CH2-CH=CHCH, CO,H CH, CH4C04H -0.C(CH.),CH=CHCH.CH-CH(CH),CH, 0=CH(CH, 14CH, C. d. 11. isoprene units. Diterpenes contain a 1 b. 2 c. 3 d. 4 5 12. What is the name of the following monosaccharide? a. D-threose b. D-Ribose CHO c. D-erythrose d. L-erythrose H-COH e. L-ribose H-C-OH H-C-OH CH,OH 13 linked. Starch consists of a. glucose b. glucose...
1. Which of the following is an aldohexose? 2. Which of the following is a cetopentose? 3. Which of the following best d...
1.
Which of the following is an aldohexose?
2. Which of the following is a cetopentose?
3. Which of the following best describes the relationship
between D-glucose and D-fructose?
4. Which of the following is (are) L-alfohexose(s)?
5. Which of the following aldohexose(s) is (are)
dextrorotatory?
6. How many stereoisomers are possible for L-galactose? Draw
or look for its structure.
7. Which of the following conpounds is a pair of
enantiomers?
8. Draw the fisher projection for L-sedoheptulose and also...
QUESTION 2 When adenosine diphosphate is phosphorylated, what small molecule is lost? H20 CO2 HCI 02...
QUESTION 2 When adenosine diphosphate is phosphorylated, what small molecule is lost? H20 CO2 HCI 02 QUESTION 4 How many carbon atoms enter the citric acid cycle at a time? 2. 4 3 6 QUESTION 7 How many molecules of ATP (NET) are produced directly from the GLYCOLYSIS of 5 molecules of glucose? 5 12.5 10 QUESTION 8 Which of the following is(are) NOT found in the electron transport chain? O2 CO2 OH ions Fe ions QUESTION 9 Which letter...
Which precursors can be used to make glucose in gluconeogenesis? amino acids, pyruvate, lactic acid, and...
Which precursors can be used to make glucose in gluconeogenesis? amino acids, pyruvate, lactic acid, and fatty acids b. amino acids, pyruvate, and fatty acids amino acids, pyruvate, lactic acid, and glycerol d. pyruvate, lactic acid, glycerol, and fatty acids & a. C. is the biosynthetic pathway that assembles glucose into branch chains of 9. glycogen Glycolysis b. Gluconeogenesis Glycogenolysis d. Glycogenesis a. c. 10. Which hormone favors anabolic metabolic pathways? a. insulin b. glucagon c. cortisol d. epinephrine 11....
18. Which of the following compound(s) would undergo mutarotation in aqueous solution? 19. Draw the chair...
18.
Which of the following compound(s) would undergo mutarotation in
aqueous solution?
19. Draw the chair conformation of a-D-galactopyranose.
20. Which of the following compound(s) is a glycoside?
21. Provide the reagents neccesary to carry out the following
conversion.
22. Predict the product(s) for the following reaction.
23. D-glucose & D-galactose are ______epimers of each
other.
24. Predict the product(s) for the following reaction.
25. Which of the following compound(s) would produce D-glucose
and D-mannose when treated with HCN followed...
14. Which statement is correct concerning the following polypeptide? O “NH CHC-NHCHC-NHCHCO- --- H CH CH...
14. Which statement is correct concerning the following polypeptide? O “NH CHC-NHCHC-NHCHCO- --- H CH CH SH a b. C. d. 15. The N-terminal unit comes from glycine. The C-terminal unit comes from lysine, This is a tetrapeptide It can also be represented as - Cys. Cys. Lys. The amino acid sequence concerns which level of protein structure? primary b. secondary c. tertiary d. quaternary What will be the isoelectric point of the following tripeptide? a. 16. NH-CH-C-NH-CH-C-NH-CH-C-OH CH CH,COOH...
QUESTION 15 Which of the following is EXERGONIC? 6 CO2 + 6H20 - glucose + O2...
QUESTION 15 Which of the following is EXERGONIC? 6 CO2 + 6H20 - glucose + O2 fructose 6-phosphate + ATP – fructose 1,6-bisphosphate + ADP (AG = -3.4 kcal/mol) glucose 6-phosphate + ATP – fructose 6-phosphate + ADP (AG = +0.5 kcal/mol) GDP - Pi GTP + H2O QUESTION 17 Fate(s) of pyruvate is(are) Check all that apply. formation of ethyl alcohol by yeasts formation of glucose by gluconeogenesis in liver cells production of ketone bodies formation of lactate under...
6. Which of the following conversions is accomplished during glycogenesis? a. glucose to glycogen glucose to pyruvate C. starch to glucose Pyruvate to glucose 7. Which of these is most abundant in plant oils? a CH, CH2)2COH b CH, CH, CÓ KÝ C o CH-O-C(CH,)-CH-CH(CH2),CH, 0 0-C(CH.),CHCHCH.CH-CH(CH).CH, O CH-0–C(CH2)-CH, d. CH, -C(CH2)2CH, O CH-C(CH, CH, 0 8. a. b. C. CH-0-C(CH2)-CH, A hexose with a six-sided ring and the C4 hydroxyl group oriented below the ring could be ribose. deoxyribose....
4) Take a look at these structures of monosaccharides (3 pts) *CHOH CHOH CH,OH OH CH,OH SH HOM HO OH OH H H OH OH H . H OH GLUCOSE HOH GALACTOSE OH FRUCTOSE What is the molecular formula for the the following monosaccharides? a. glucose: C b. fructose: C c. galactose: C 5) A. Show the anomeric carbon. (1 pts) B. Draw B-D-Fructopyranose (2 pts) Fructose Isomers 6) Identify monosaccharide (M), disaccharide (D) or Polysaccharide (P) (3 pts) a....
Please choose the BEST ANSWER. No cell phones, web or cameras, please. 1. Each of the following enzymes functions in both glycolysis and gluconeogenesis except: A) 3-phosphoglycerate kinase B) aldolase C) enolase D) phosphofructokinase-1 E) phosphohexose isomerase During strenuous exercise, the NADH formed in the glyceraldehyde 3-phosphate dehydrogenase reaction in skeletal muscle must be reoxidized to NAD if glycolysis is to continue. The most important reaction involved in this reoxidation of NADH is: 2. A) dihydroxyacetone phosphate> glycerol 3-phosphate B)...
10 What ie one of the products of the saponification of the following compound? 0 CH,Ho C(CH3)-CH-CH(CH2),CH, 0 CHLA- (CH).CH o b. CH-0-C(CH2-CH=CHCH-CH-CH(CH3)4CH CH, CH2-CH=CHCH, CO,H CH, CH4C04H -0.C(CH.),CH=CHCH.CH-CH(CH),CH, 0=CH(CH, 14CH, C. d. 11. isoprene units. Diterpenes contain a 1 b. 2 c. 3 d. 4 5 12. What is the name of the following monosaccharide? a. D-threose b. D-Ribose CHO c. D-erythrose d. L-erythrose H-COH e. L-ribose H-C-OH H-C-OH CH,OH 13 linked. Starch consists of a. glucose b. glucose...
1.
Which of the following is an aldohexose?
2. Which of the following is a cetopentose?
3. Which of the following best describes the relationship
between D-glucose and D-fructose?
4. Which of the following is (are) L-alfohexose(s)?
5. Which of the following aldohexose(s) is (are)
dextrorotatory?
6. How many stereoisomers are possible for L-galactose? Draw
or look for its structure.
7. Which of the following conpounds is a pair of
enantiomers?
8. Draw the fisher projection for L-sedoheptulose and also...
QUESTION 2 When adenosine diphosphate is phosphorylated, what small molecule is lost? H20 CO2 HCI 02 QUESTION 4 How many carbon atoms enter the citric acid cycle at a time? 2. 4 3 6 QUESTION 7 How many molecules of ATP (NET) are produced directly from the GLYCOLYSIS of 5 molecules of glucose? 5 12.5 10 QUESTION 8 Which of the following is(are) NOT found in the electron transport chain? O2 CO2 OH ions Fe ions QUESTION 9 Which letter...
Which precursors can be used to make glucose in gluconeogenesis? amino acids, pyruvate, lactic acid, and fatty acids b. amino acids, pyruvate, and fatty acids amino acids, pyruvate, lactic acid, and glycerol d. pyruvate, lactic acid, glycerol, and fatty acids & a. C. is the biosynthetic pathway that assembles glucose into branch chains of 9. glycogen Glycolysis b. Gluconeogenesis Glycogenolysis d. Glycogenesis a. c. 10. Which hormone favors anabolic metabolic pathways? a. insulin b. glucagon c. cortisol d. epinephrine 11....
18.
Which of the following compound(s) would undergo mutarotation in
aqueous solution?
19. Draw the chair conformation of a-D-galactopyranose.
20. Which of the following compound(s) is a glycoside?
21. Provide the reagents neccesary to carry out the following
conversion.
22. Predict the product(s) for the following reaction.
23. D-glucose & D-galactose are ______epimers of each
other.
24. Predict the product(s) for the following reaction.
25. Which of the following compound(s) would produce D-glucose
and D-mannose when treated with HCN followed...
14. Which statement is correct concerning the following polypeptide? O “NH CHC-NHCHC-NHCHCO- --- H CH CH SH a b. C. d. 15. The N-terminal unit comes from glycine. The C-terminal unit comes from lysine, This is a tetrapeptide It can also be represented as - Cys. Cys. Lys. The amino acid sequence concerns which level of protein structure? primary b. secondary c. tertiary d. quaternary What will be the isoelectric point of the following tripeptide? a. 16. NH-CH-C-NH-CH-C-NH-CH-C-OH CH CH,COOH...
QUESTION 15 Which of the following is EXERGONIC? 6 CO2 + 6H20 - glucose + O2 fructose 6-phosphate + ATP – fructose 1,6-bisphosphate + ADP (AG = -3.4 kcal/mol) glucose 6-phosphate + ATP – fructose 6-phosphate + ADP (AG = +0.5 kcal/mol) GDP - Pi GTP + H2O QUESTION 17 Fate(s) of pyruvate is(are) Check all that apply. formation of ethyl alcohol by yeasts formation of glucose by gluconeogenesis in liver cells production of ketone bodies formation of lactate under...
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