8. The structure of citrate is shown below. The carbon atoms in this citrate are numbered 1 to 6.Assume that carbon atoms 1 and 6 are the two carbon atoms to be given off as CO₂ in the citric acidcycle. Which carbon atoms in the shown structure are came from acetyl-CoA?'COOH2 CH₂HO-3³C-COOHICH₂5COOHA. 1 and 2B. 2 and 3C. 3 and 6D. 3 and 4E. 4 and 59. Which of the following statements is/are correct for the shown reaction?回CHg-c-s-Con + CoA BA. The reaction occurs in the mitochondriaB. The small molecule in box a is GTPC-CH₂-C-S-COA-S-COAC. The reaction is a committed step for fatty acid catabolismD. The reaction requires biotinE. None of the above

Kreb cycle or citric acid cycle is a catabolic cyclic pathway that occurs in aerobic respiration. It…

Answered: 8. The structure of citrate is shown…

Biology 2e

2nd Edition

ISBN:9781947172517

Author:Matthew Douglas, Jung Choi, Mary Ann Clark

Publisher:Matthew Douglas, Jung Choi, Mary Ann Clark

Chapter3: Biological Macromolecules

Section: Chapter Questions

Problem 6RQ: The following chemical reactants produce the ester ethyl ethanoate (C4H8O2): C2H6O + CH3COOH What...

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Name the following fatty acid CH3-CH2-CH=CH-CH2-CH=CH-CH2- CH=CH-(CH2)7-COOH O 18: 3A6,9,12 18: 2 w3 O 18: 3 w6 18: 3A9,12,15
N-acetylcysteine is the acetylated form of the amino acid cysteine. N-acetylcysteine can be administered as an antidote to acetaminophen overdose poisoning. HO₂C H₂C. NH S-H A. `N' OH N-acetylcysteine What is the product that we would expect to form through reaction of NAPQI and N- acetylcysteine that would detoxify the reactive metabolite from an acetaminophen overdose? CH3 OH Acetaminophen CO HỌ CH₂ B. FO OH HN- Fo SH CH₂ C. HN HS. i CH₂ D. SH HN CH₂ O
With alanine AA, and using citric acid cycee and glycolysis, which Carbon atom would be labeled 1st with 14C n succinate? Why?
8. The enzyme thiolase catalyzes one step in the ß-oxidation of saturated fats. One portion of the mechanism for this reaction is shown below. Describe the catalytic mechanism at work. (Note: "SCOA" is shorthand for the compound Acetyl-CoA) RCOCH₂COSCoA + HSCOA → H3C₂OSC0A + RCOSCOA HN NH CH₂ NH CH₂ CH₂ FS Grease NH3 H-SCO A NH CH2 CH₂ NH3 S Co A CH₂ NH 1 3 H-SCO A H3C SCO A NH3 a h-SCOA R-C S Co A CH₂ CH₂ C H₂ 0=0 HN NH + NH3 H₂C HN CH₂ NH CH₂ CH₂ 2 S Co A CH₂ NH NH
Listed below are descriptions that may belong to amylose, amylopectin, both, or it may not belong to either. Write A if it describes amylose, B if it describes amylopectin, AB if the statement applies to both, or O if it doesn’t apply to either. 1. Its monosaccharides are bound by at least one α-1,4-glycosidic bond. 2. It contains α-1,6-glycosidic bonds. 3. It can be broken down by the enzyme α-amylase. 4. A polysaccharide made up of gulose. 5. It can form a double helix.
Consider MYRISTIC ACID CH3-(CH2)12 - COOH A. Draw the acyl CoA derived from this fatty acid
If the glucose molecule was labeled with 14C at the C-3, which carbon atom in pyruvate would you expect to find labeled? Select the structure of pyruvate showing its appropriate structure at pH 7.4. The structure should have a carbon highlighted in green and bold that corresponds to the original 14C labeled C-3 of glucose. H3C-C-C-OH H3C-C-C -O H3C-C-c-OH H3C C-C- H3C-C-C- H3C-C HO-
Show a(１３：1)Cis Fatty-acid that is △^10 and what it is called in Omega No man clay.tur. Compared to trans version would this one or trans have higher/lowr Melting.P?why?
5) A certain aerobic organism is able to metabolize the following glycolipid: "CH,OH OH HO OH A. Draw the 2 resulting structures that would occur upon initial hydrolysis of the O-glycosidic bond. B. Calculate how much ATP is formed upon complete aerobic oxidation of one mole of the compound. Assume that no ATP is produced when one mole of the glycosidic bond in the above compound is hydrolyzed. Show calculation below.
D-Glucose and D-Galactose are A H D C=0 H-C-OH OH C-H H-C-OH H_C-OH CH₂OH D-Glucose ketoses epimers pentoses enantiomers H ... н-с-он OH-C-H он-с-н H-OH CH₂OH D-Galactose
Which of the following is/are reducing sugar/s?why? A CHOH CHOH CHOH OH OH CHOH OH CH,OH OH OH он C CHOH OH CHOH CHOH HỌ CH2OH OH OH OH OH ÓH u tte Select one: O a. Conly, it is a monosaccharide with a free carbonyl group O b. A and B only, both disaccharides are made from aldoses O C. B, C and D, they have at least one free carbonyl group O d. A and D only, both disaccharides are made from ketosis O. e. B and D, each has a free carboxyl group
coo- 21 CH2 316 НО-С-СОО- HOC COO- 4 CH2 | 5, °coo-

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