Concept explainers
Indicate whether each of the following statements concerning
- a. All cells in higher organisms contain both DNA and RNA.
- b. Structurally, DNA, but not RNA, is an unbranched
polymer . - c. Involvement with protein synthesis is the primary function for RNA.
- d. DNA is found primarily in a cells nucleus.
(a)
Interpretation: The validation of the given statement concerning nucleic acids has to be predicted.
Concept introduction: Nucleic acids are the polymers of nucleotides. Nucleic acids are of two types- deoxyribonucleic acid and ribonucleic acid. Deoxyribonucleic acid transfers the genetic information and ribonucleic acids synthesize proteins.
Answer to Problem 11.1EP
The given statement that “All cells in higher organisms contain both DNA and RNA” is true.
Explanation of Solution
Proteins are the building blocks in higher organisms. RNA is necessary for the synthesis of proteins and DNA stores the genetic information. Therefore, all cells in higher organisms contain both DNA and RNA.
(b)
Interpretation: The validation of the given statement concerning nucleic acids has to be predicted.
Concept introduction: Nucleic acids are the polymers of nucleotides. Nucleic acids are of two types- deoxyribonucleic acid and ribonucleic acid. Deoxyribonucleic acid transfers the genetic information and ribonucleic acids synthesize proteins.
Answer to Problem 11.1EP
The statement that, “Structurally, DNA but not RNA, is an unbranched polymer” is false.
Explanation of Solution
DNA and RNA, both are similar in structure. DNA and RNA are the polymers of nucleotides. A nucleotide consists of a phosphate group, a sugar and a base. This structure gives the DNA and RNA molecule a branched shape. Therefore, DNA and RNA both are unbranched polymers.
(c)
Interpretation: The validation of the given statement concerning nucleic acids has to be predicted.
Concept introduction: Nucleic acids are the polymers of nucleotides. Nucleic acids are of two types- deoxyribonucleic acid and ribonucleic acid. Deoxyribonucleic acid transfers the genetic information and ribonucleic acids synthesize proteins.
Answer to Problem 11.1EP
The statement that, “Involvement with protein synthesis is the primary function for RNA” is true.
Explanation of Solution
RNA is a polymer of nucleotide. The major function of RNA is the synthesis of protein.
(d)
Interpretation: The validation of the given statement concerning nucleic acids has to be predicted.
Concept introduction: Nucleic acids are the polymers of nucleotides. Nucleic acids are of two types- deoxyribonucleic acid and ribonucleic acid. Deoxyribonucleic acid transfers the genetic information and ribonucleic acids synthesize proteins.
Answer to Problem 11.1EP
The statement that, “DNA is found primarily in a cell’s nucleus.” is true.
Explanation of Solution
DNA is a polymer of nucleic acid. DNA transfers the genetic information. DNA is located in the nucleus of a cell.
Want to see more full solutions like this?
Chapter 11 Solutions
Organic And Biological Chemistry
- Zeolites: environmental applications.arrow_forward" is The structure of the bicarbonate (hydrogen carbonate) ion, HCO3-, HCO3 best described as a hybrid of several contributing resonance forms, two of which are shown here. HO :0: :Ö: HO + Bicarbonate is crucial for the control of body pH (for example, blood pH: 7.4). A more self-indulgent use is in baking soda, where it serves as a source of CO2 CO₂ 2 gas, which gives bread and pastry their fluffy constituency. (i) Draw at least one additional resonance form. = (ii) Using curved "electron-pushing" arrows, show how these Lewis structures may be interconverted by movement of electron pairs. (iii) Determine which form or forms will be the major contributor(s) to the real structure of bicarbonate, explaining your answer on the basis of the criteria in Section 1-5.arrow_forwardWhich of these is the best use of a volumetric flask? measuring how much liquid it contains delivering a precise amount of liquid to another container holding solutions making solutions of precise concentrationarrow_forward
- You're competing on a Great British television game show, and you need to bake a cake. The quantity for each ingredient is given in grams, but you haven't been given a kitchen scale. Which of these properties would correlate with the mass of a baking ingredient like eggs or milk? Check all that apply. depth of color viscosity volume densityarrow_forwardDraw a Lewis structure for each of the following species. Again, assign charges where appropriate. a. H-H¯ b. CH3-CH3 c. CH3+CH3 d. CH3 CH3 e. CH3NH3+CH3NH3 f. CH30-CH3O¯ g. CH2CH2 - h. HC2-(HCC) HC2 (HCC) i. H202×(HOOH) H₂O₂ (HOOH) Nortonarrow_forwardIs molecule 6 an enantiomer?arrow_forward
- Show work. Don't give Ai generated solutionarrow_forwardCheck the box under each structure in the table that is an enantiomer of the molecule shown below. If none of them are, check the none of the above box under the table. Molecule 1 Molecule 2 Molecule 3 ----||| Molecule 4 Molecule 5 Molecule 6 none of the above mm..arrow_forwardShow work. don't give Ai generated solutionarrow_forward
- Check the box under each structure in the table that is an enantiomer of the molecule shown below. If none of them are, check the none of the above box under the table. Molecule 1 Molecule 2 Molecule 3 ----||| Molecule 4 Molecule 5 Molecule 6 none of the above mm..arrow_forwardUse the vapor-liquid equilibrium data at 1.0 atm. for methanol-water (Table 2-8 ) for the following: If the methanol vapor mole fraction is 0.600, what is the methanol liquid mole fraction? Is there an azeotrope in the methanol-water system at a pressure of 1.0 atmospheres? If water liquid mole fraction is 0.350, what is the water vapor mole fraction? What are the K values of methanol and of water at a methanol mole fraction in the liquid of 0.200? What is the relative volatility αM-W at a methanol mole fraction in the liquid of 0.200?arrow_forwardCheck the box under each structure in the table that is an enantiomer of the molecule shown below. If none of them are, check the none of the above box under the table. || |II***** Molecule 1 | Molecule 4 none of the above Molecule 2 Molecule 3 Х mm... C ---||| *** Molecule 5 Molecule 6arrow_forward
- Introductory Chemistry: An Active Learning Approa...ChemistryISBN:9781305079250Author:Mark S. Cracolice, Ed PetersPublisher:Cengage LearningChemistry: Matter and ChangeChemistryISBN:9780078746376Author:Dinah Zike, Laurel Dingrando, Nicholas Hainen, Cheryl WistromPublisher:Glencoe/McGraw-Hill School Pub CoWorld of Chemistry, 3rd editionChemistryISBN:9781133109655Author:Steven S. Zumdahl, Susan L. Zumdahl, Donald J. DeCostePublisher:Brooks / Cole / Cengage Learning
- Chemistry for Today: General, Organic, and Bioche...ChemistryISBN:9781305960060Author:Spencer L. Seager, Michael R. Slabaugh, Maren S. HansenPublisher:Cengage LearningIntroductory Chemistry: A FoundationChemistryISBN:9781337399425Author:Steven S. Zumdahl, Donald J. DeCostePublisher:Cengage LearningChemistry: Principles and PracticeChemistryISBN:9780534420123Author:Daniel L. Reger, Scott R. Goode, David W. Ball, Edward MercerPublisher:Cengage Learning