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Concept explainers
a.
To identify:
The guanine as a purine or a pyrimidine and name it.
Introduction:
The organic compound having a “nitrogen” atom having chemical characteristics of bases is known as “nitrogen base”. A nitrogenous base connects the two
b.
To identify:
The cytosine as a purine or a pyrimidine and name it.
Introduction:
The organic compound having a “nitrogen” atom having chemical characteristics of bases is known as “nitrogen base”. A nitrogenous base connects the two nucleic acids. It resembles the base due to the availability of a “lone pair” of electrons on the nitrogen. There are two types of nitrogenous bases “purines” and “pyrimidines”.
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Chapter 11 Solutions
EBK GENERAL, ORGANIC, AND BIOLOGICAL CH
- Draw the structure of each of the following: a. a purine base b. a nucleoside that contains 2-deoxyribose and a pyrimidine base c. a nucleotide that contains ribose and a purine base d. a triphosphate of guanosinearrow_forwardCompare DNA and RNA on the following points: a. monosaccharide units b. principal purine and pyrimidine bases c. primary structure d. location in the cell e. function in the cellarrow_forwardwhat are one difference and one similarity between the following: a.) an alpha helix and a beta-sheet b.) valine and leucine c.) cytosine and cytidinearrow_forward
- 1. The pyrimidine heterocyclic system is present in the structure of drugs: A. Theophylline B. Folic acid C. Phenazepam D. Aminazinarrow_forwardWhat two parts of a nucleotide do not change throughout the structure of DNA? a. Phosphate Group and Nitrogen Base b. All components remain the same throughout the DNA structure c. Five-Carbon Sugar and Phosphate Group d. Five-Carbon Sugar and Nitrogen Basearrow_forward30. Which of these will not give a blue solution with Ninhydrin test b. Phe d. Cys Pro 31. A neutral molecule with a positive and negative electrical charge. a. Isoelectric point a. C. Ala b. Zwitterions Buffer d. Amphoteric C.arrow_forward
- Once a polypeptide chain has begun growing during protein synthesis, an incoming RNA carrying the next amino acid of the sequence will bond at the _______ site of the ribosomal complex a. A b. P c. 5' d. 3'arrow_forwardThe following are Pyrimidine bases except: A.Cytosine C. Thymine B.Guanosine D. Uracilarrow_forwardTrue / False: Guanine to cytosine intermolecular interactions (hydrogen bonding) is stronger than adenine to thymine. A. True B. Falsearrow_forward
- For each codon: [1] Write the anticodon. [2] What amino acid does each codon represent? a. CGG b. GGG c. UCC d. AUA e. CCU f. GCCarrow_forwardGenetic engineering involves ? A. Altering an organisms DNA with radiation B. Removing DNA from cells changing the base sequence C. Selectibely turning genes on and off D. Removing DNA from one organism and splicing it into a anotherarrow_forwardQuestion 14 of 20 Provide the abbreviation of the following nucleotide. `NH NH2 H OH OH d. A Carrow_forward
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