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Concept explainers
(a)
Interpretation : The base and sugar in the deoxythymidine nucleoside needs to be identified.
Concept Introduction : DNA and RNA are composed of few main components;
- Phosphate group
- Ribose and deoxyribose sugar
- Nitrogenous base
The combination of nitrogenous base and sugar molecule is called as nucleoside which further bonded with phosphate group. The bonding of nucleoside with phosphate group makes
(b)
Interpretation : The base and sugar in the adenosine nucleoside needs to be identified.
Concept Introduction : DNA and RNA are composed of few main components;
- Phosphate group
- Ribose and deoxyribose sugar
- Nitrogenous base
The combination of nitrogenous base and sugar molecule is called as nucleoside which further bonded with phosphate group. The bonding of nucleoside with phosphate group makes nucleotide which further polymerises to form DNA and RNA.
(c)
Interpretation : The base and sugar in the cytidine nucleoside needs to be identified.
Concept Introduction : DNA and RNA are composed of few main components;
- Phosphate group
- Ribose and deoxyribose sugar
- Nitrogenous base
The combination of nitrogenous base and sugar molecule is called as nucleoside which further bonded with phosphate group. The bonding of nucleoside with phosphate group makes nucleotide which further polymerise to form DNA and RNA.
(d)
Interpretation : The base and sugar in the deoxyguanosine nucleoside needs to be identified.
Concept Introduction : DNA and RNA are composed of few main components;
- Phosphate group
- Ribose and deoxyribose sugar
- Nitrogenous base
The combination of nitrogenous base and sugar molecule is called as nucleoside which further bonded with phosphate group. The bonding of nucleoside with phosphate group makes nucleotide which further polymerises to form DNA and RNA.
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Chapter 18 Solutions
Basic Chemistry
- Draw the predominant form the lysine amino acids at physiological pH (7.4):arrow_forwardActivity: concept Map Directions: Use the terms below to create a concept map. Amino Acids Lipids Proteins Carbohydrates monosaccharides RNA catalysts Nucleic Acids store genetic information main energy source Nucleotides long-term energy storage Fats polysaccharides serve as transporters BIOMOLECULES 3. 4. whose main function is whose main function is which are made of which are made of 8. 7. whose main function is which include whose many functions include disaccharide oils 14. muscle struct ure 1. which include 10. 12. DNA 13. 15.arrow_forward17.28 Write the base sequence in a complementary DNA segment if each original segment has the following base sequence: a. TTTTTT b. c. ATGG CA d. ССССССccc ATATGCGCTAAA 88.femsidon DNAarrow_forward
- Draw the predominant form for the aspartate amino acids at physiological pH (7.4):arrow_forwardCH3-C-OH CH3.C-NH2 2. Classify the following compounds as primary, secondary and tertiary amines (15) CH2-CH3 CH3 CH3-CH-NH CH3-C-CH3 ČH3 NH2 3. Draw the structure of the following compounds: (20) a. 2.Amino-3-pentanone b. 3.Amino-2-pentanolarrow_forward15.6 Stearic acid and linoleic acid each have 18 carbon atoms. Why does stearic acid melt at 69 °C but linoleic acid melts at -5 °C? 15.7 Draw the line-angle formula for each of the following fatty acids: a. palmitic acid b. oleic acid 15.8 Draw the line-angle formula for each of the following fatty acids: a. stearic acid b. linoleic acidarrow_forward
- 7. 8. 9. A Br Provide IUPAC name: 10. Arginine at pH=7 Draw structure OH leq H₂SO4 OH Provide missing reagent leq H₂SO4 KOH H₂O Enough base to raise pH ΝΗ IO Name the reaction: Provide product structure Name functional group Arginine at pH = 11 Draw the product(s) Draw structurearrow_forward(20, 3) Draw a structural formula for the product of the reaction shown. Use the wedge/hash bond tools to indicate stereochemistry where it exists. Show stereochemistry in a meso compound. In cases where there is more than one answer, just draw one.arrow_forwardPlease explain 4. Determine the structure of compounds A-F in the following reaction şequence.(17.43) CI Br 1. СН3 (еxcess) KCN A 1. LIAIH,, ether В 2. H,О HO, PBrg 2. NaOH, A 1. NaH NaBH, 1. NaH F 2. CH,CH2Br 2. CH,CH,Br CH,CH2OHarrow_forward
- 19.36 What type of interaction would you expect between the follow- ing groups in a tertiary structure? a. phenylalanine and isoleucine c. asparagine and tyrosine b. aspartate and histidine d. alanine and prolinearrow_forward23.71 a,b,c,darrow_forwardQ.1 Three given polypeptides (P, Q and R), of same size and same pl (7.2), have a single aspartic acid in each of them. In polypeptide P, the aspartic acid residue is on the surface. In polypeptide Q, it is surrounded by negatively charged residues, whereas in polypeptide R it is deeply buried in a hydrophobic core. pKa of the side chain carboxylate of free (in solution) aspartic acid is 3.65. The polypeptides are in a buller of pH 7.4. The clange in pKa of the aspartic acid side chain carboxylate in the polypeptides P, Q and R is likely to, Ans remain the same in P, modest increase in Q and greater increase in R X2. remain the same in all the three polypeptides X3. increase in P, decrease in Q and remain the same in R X 4. remain the same in P, increase Q and decrease in R.arrow_forward
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