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Concept explainers
(a)
Interpretation:
The reaction catalyzed by enzyme citrate synthase has to be described.
Concept Introduction:
The enzymes are essentially the biocatalysts present in all living systems. Each enzyme catalyzes a characteristic reaction within the biological system. Enzymes are generally named in accordance with the substrate on which they act. For example, enzyme urease is named by the addition of the suffix–ase to the name of the substrate urea on which this enzyme acts. Similarly, the enzyme sucrase derives its name from sucrose as it hydrolyzes the linkages of sucrose to yield fructose and glucose monomers of disaccharide sucrose.
Based on their specific role and the specific reaction they catalyze enzymes are classified into six major classes. These are as follows:
- Ligases: The enzymes that connect two molecules via covalent bonds are termed as ligases. DNA ligase is one such enzyme.
- Isomerases: The enzymes that catalyze the isomerization reactions are termed as isomerases. For example, triosephosphate isomerase.
- Lyases: The enzymes that catalyze the cleavage of bonds are called lyases. Enzyme fumarase belongs to this category as they cleave the carbon-oxygen bond of malate to convert it reversibly into fumarate.
- Hydrolases: These enzymes catalyze the cleavage of bonds via hydrolysis present in biological systems. Lipase is one such enzyme.
- Transferases: These enzymes are involved in the transfer of various
functional groups such as methyl, acetyl group, or phosphate group. Alanine transaminase is one such enzyme. - Oxidoreductases: As the name suggests, these catalyze the
oxidation and reduction reactions that occur in living systems. Succinate dehydrogenase is an example of oxidoreductase.
(b)
Interpretation:
The reaction catalyzed by enzyme aconitase has to be described.
Concept Introduction:
Refer to part (a)
(c)
Interpretation:
The reaction catalyzed by enzyme isocitrate dehydrogenase has to be described.
Concept Introduction:
Refer to part (a)
(d)
Interpretation:
The reaction catalyzed by enzyme
Concept Introduction:
Refer to part (a)
(e)
Interpretation:
The reaction catalyzed by enzyme succinyl CoA synthase has to be described.
Concept Introduction:
Refer to part (a)
(f)
Interpretation:
The reaction catalyzed by enzyme succinate dehydrogenase has to be described.
Concept Introduction:
Refer to part (a)
(g)
Interpretation:
The reaction catalyzed by enzyme fumarase has to be described.
Concept Introduction:
Refer to part (a)
(h)
Interpretation:
The reaction catalyzed by enzyme malate has to be described.
Concept Introduction:
Refer to part (a)
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Chapter 22 Solutions
General, Organic, and Biochemistry
- This organic molecule is dissolved in a basic aqueous solution: O ? olo RET A short time later sensitive infrared spectroscopy reveals the presence of a new C-OH stretch absorption. That is, there Ar must now be a new molecule present with at least one C - OH bond. In the drawing area below, show the detailed mechanism that could convert the molecule above into the new molecule. $ Add/Remove steparrow_forwardSo the thing is im trying to memorize VESPR Shapes in order to be able to solve problems like so, and I need help with making circles like the second image that's in blue or using an x and y axis plane in order to memorize these and be able to solve those type of problems. Especially like the ones given in the top / first image. (180 , 120 , 109.5) Can you help me with this.arrow_forwardDon't used hand raiting and don't used Ai solutionarrow_forward
- 2. (15 points) Draw an appropriate mechanism for the following reaction. H N. H* + H₂Oarrow_forwardDraw a tripeptide of your choosing at pH 7. Have the N-terminus on the left and the C-terminus on the right. Then: Draw a triangle around the α-carbons. Draw a box around the R-groups. Circle the atoms capable of hydrogen bonding. Highlight the atoms involved in the formation of the peptide bonds. What type of structure have you drawn? (primary, secondary, tertiary or quaternary protein structure). make sure its a tripeptidearrow_forwardDon't used hand raiting and don't used Ai solutionarrow_forward
- Don't used hand raiting and don't used Ai solutionarrow_forwardDon't used Ai solution and don't used hand raitingarrow_forward> Organic Functional Groups Naming and drawing alkyl halides structure CI Br CI CI Explanation Check 2 name 1-chloro-2,4,9-trimethylnonane CI 2-iodo-2,3-dimethylbutane FEB 19 € E M tv MacBook Airarrow_forward
- Can you please explain to me this problem im very confused and lost. Help me step by step and in detail im soo lost.arrow_forward2) There are many forms of cancer, all of which involve abnormal cell growth. The growth and production of cells, called cell proliferation, is known to involve an enzyme called protein farnesyltransferase (PFTase). It is thought that inhibitors pf PFTase may be useful as anticancer drugs. The following molecule showed moderate activity as a potential PFTase inhibitor. Draw all stereoisomers of this compound. HO OHarrow_forwardConsidering rotation around the bond highlighted in red, draw the Newman projection for the most stable and least stable conformations when viewed down the red bond in the direction of the arrow. Part 1 of 2 H₁₂C H H Draw the Newman projection for the most stable conformation. Select a template to begin. Part 2 of 2 Draw the Newman projection for the least stable conformation. G 心arrow_forward
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