Which one of the following statements is TRUE regarding the molecule shown below? NH2 N. II НО-Р-О- ОНОН O It is a pyrimidine-containing nucleotide found in DNA O It is a purine-containing nucleotide found in RNA O It is a pyrimidine-containing nucleotide found in RNA O It is a purine-containing nucleotide found in DNA

Which one of the following statements is TRUE regarding the molecule shown below? NH2 N. II НО-Р-О- ОНОН O It is a pyrimidine-containing nucleotide found in DNA O It is a purine-containing nucleotide found in RNA O It is a pyrimidine-containing nucleotide found in RNA O It is a purine-containing nucleotide found in DNA

Concepts of Biology

1st Edition

ISBN:9781938168116

Author:Samantha Fowler, Rebecca Roush, James Wise

Publisher:Samantha Fowler, Rebecca Roush, James Wise

Chapter9: Molecular Biology

Section: Chapter Questions

Problem 2RQ: Which of the following does cytosine pair with? a. guanine b. thymine c. adenine d. a pyrimidine

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Which of the following is correct regarding nucleotide structure? Removal of the ribose-phosphate groups from thymidylic acid or thymidylate yields thymidine Removal of the ribose-phosphate groups from cytidine yields cytosine Removal of the phosphate group from guanylic acid or guanylate yields guanine. Removal of the phosphate group from adenylate or adenylic acid yields adenosine
Given the structures of the ribonucleotides and deoxyribonucleotides: Adenine Uracil Thymine HN Adenine NH HO-P-0- CH2 HO-P-0 CH2 HO-P-0-CH2 HO-P-0-CH он он он он OH H OH H Cytosine Cytosine Guanine Guanine NH2 NH NH2 CH2 HOo CH2 HO-P-0 -CH2 он он он он OH H OH H • Draw the structure of the polyribonucleotide UAGCCUG. Draw the structure of the polydeoxyribonucleotide CGTAGAT.
The linkage between individual nucleotides in DNA is known as a phosphodiester bond because— two esters are connected by a single covalent bond whose formation is catalyzed by a phosphate. a double bond is formed in the process of esterification of a phosphate group. a nucleoside diphosphate is involved and each phosphate forms one ester. a single phosphate is esterified to two deoxyribose units. two bonds are phosphorylated into one single bond
The keto form of 5-bromouracil will replace Thymine to base pair with Adenine. Which nucleotide will base pair with the enol form of 5-bromouracil? Guanine Uridine Cytosine Adenine Thymine
Proflavine was used to treat wounded soldiers in the Far East during the second world war. Which of the following statements is false regarding proflavine! H₂N7 NH₂ Its target is located in the cell membrane. Its planar shape is important to intercalation. The primary amine groups are protonated and interact with phosphate groups of the DNA backbone. When inserted into DNA, the tricyclic system can form van der Waals interactions with base pairs above and below it.
Draw the structure of the following nucleotide: adenosine 3'-monophosphate or guanosine 2-monophosphate
Which of the following nucleotides found in DNA is dGTP? Note, hydrogens bound to carbon atoms are not shown.
Both DNA and RNA are sensitive to alkaline hydrolysis. However, RNA is more sensitive to alkaline hydrolysis because of: The presence of 2' hydroxyl group The presence of 1' uracil nitrogenous base The presence of 5' phosphate group The presence of 3' hydroxyl group
Indicate the relative size of each of the following, using "1" for the largest, most inclusive structure, and "5" for the smallest. pyrimidine nucleoside nucleotide purine RNA > > > >
The following structurally define nucleic acids EXCEPT They are polynucleotides connected covalent linkages. They are polyionic molecules of high molecular weight composed of a specific sequence of subunits called nucleosides. They are chainlike macromolecules that function in the storage and transfer of genetic information. Molecularly, they contain genes that encode for polypeptides and RNA molecules.
Correct statement regarding nucleotide structure removal of the ribose-phosphate group from thymidylic acid yields thymidine removal of the phosphate group from adenylic acid yields adenosine removal of the phosphate group from guanylic acid yields guanine removal of the ribose-phosphate group from uridine yields uracil
Which of the following base change will result in the alteration of the net charge of the amino acid at pH 7.0? GAA ->TAG GTA -> TTC СTG -> СТС CCG -> CGC TTC -> GCA