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In a DNA molecule, the phosphate group is attached to ____carbon of the sugar residue of its own nucleotide and _____ carbon of the sugar residue of the next nucleotide by ____bonds.
- a)5', 3', phosphodiester
- b)5', 3', glycosidic
- c)3', 5', phosphodiester
- d)3', 5', glycosidic
Correct answer is option 'A'. Can you explain this answer?
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In a DNA molecule, the phosphate group is attachedto ____carbon of the...
A deoxyriboncleotide of DNA is formed by cross-linking of three chemicals- deoxyribose sugar (C5H10O4), a nitrogen base and phosphoric acid (H3PO4). The backbone of a DNA strand is built up of alternate deoxyribose and phosphoric acid grounds. The phosphate group is connected to carbon 5' of the sugar residue of its own nucleotide and cerbon 3' of the sugar residue of the next nucleotide by phosphodiester bonds.
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In a DNA molecule, the phosphate group is attachedto ____carbon of the...
Explanation:
Phosphodiester Bond:
A phosphodiester bond is a chemical bond that links the phosphate group of one nucleotide to the sugar molecule of another nucleotide in a DNA or RNA chain. It is formed between the 5' carbon of one sugar residue and the 3' carbon of the adjacent sugar residue.
Structure of a DNA Molecule:
A DNA molecule consists of two polynucleotide chains twisted together to form a double helix structure. Each polynucleotide chain is composed of nucleotides, which are monomers made up of three components: a phosphate group, a sugar molecule (deoxyribose), and a nitrogenous base (adenine, guanine, cytosine, or thymine).
Attachment of the Phosphate Group:
In a DNA molecule, the phosphate group is attached to the 5' carbon of the sugar residue of its own nucleotide. This attachment forms the backbone of the DNA molecule, with a chain of alternating sugar and phosphate groups.
Formation of the Phosphodiester Bond:
The phosphate group attached to the 5' carbon of one nucleotide forms a phosphodiester bond with the 3' carbon of the sugar residue of the next nucleotide in the chain. This bond is formed through a condensation reaction, where the phosphate group loses a oxygen atom and the sugar molecule loses a hydroxyl group. The remaining oxygen atom then forms a covalent bond with the adjacent nucleotide, resulting in the formation of a phosphodiester bond.
Directionality of the DNA Chain:
The formation of phosphodiester bonds between nucleotides creates a directionality in the DNA chain. The 5' end of the chain has a free phosphate group attached to the 5' carbon of the sugar, while the 3' end has a free hydroxyl group attached to the 3' carbon of the sugar.
Conclusion:
In summary, in a DNA molecule, the phosphate group is attached to the 5' carbon of the sugar residue of its own nucleotide. It forms a phosphodiester bond with the 3' carbon of the sugar residue of the next nucleotide in the chain. This arrangement of phosphate groups and phosphodiester bonds forms the backbone of the DNA molecule and gives it its characteristic double helix structure. The correct answer is option A.
Phosphodiester Bond:
A phosphodiester bond is a chemical bond that links the phosphate group of one nucleotide to the sugar molecule of another nucleotide in a DNA or RNA chain. It is formed between the 5' carbon of one sugar residue and the 3' carbon of the adjacent sugar residue.
Structure of a DNA Molecule:
A DNA molecule consists of two polynucleotide chains twisted together to form a double helix structure. Each polynucleotide chain is composed of nucleotides, which are monomers made up of three components: a phosphate group, a sugar molecule (deoxyribose), and a nitrogenous base (adenine, guanine, cytosine, or thymine).
Attachment of the Phosphate Group:
In a DNA molecule, the phosphate group is attached to the 5' carbon of the sugar residue of its own nucleotide. This attachment forms the backbone of the DNA molecule, with a chain of alternating sugar and phosphate groups.
Formation of the Phosphodiester Bond:
The phosphate group attached to the 5' carbon of one nucleotide forms a phosphodiester bond with the 3' carbon of the sugar residue of the next nucleotide in the chain. This bond is formed through a condensation reaction, where the phosphate group loses a oxygen atom and the sugar molecule loses a hydroxyl group. The remaining oxygen atom then forms a covalent bond with the adjacent nucleotide, resulting in the formation of a phosphodiester bond.
Directionality of the DNA Chain:
The formation of phosphodiester bonds between nucleotides creates a directionality in the DNA chain. The 5' end of the chain has a free phosphate group attached to the 5' carbon of the sugar, while the 3' end has a free hydroxyl group attached to the 3' carbon of the sugar.
Conclusion:
In summary, in a DNA molecule, the phosphate group is attached to the 5' carbon of the sugar residue of its own nucleotide. It forms a phosphodiester bond with the 3' carbon of the sugar residue of the next nucleotide in the chain. This arrangement of phosphate groups and phosphodiester bonds forms the backbone of the DNA molecule and gives it its characteristic double helix structure. The correct answer is option A.
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In a DNA molecule, the phosphate group is attachedto ____carbon of the sugar residue of its ownnucleotide and_____ carbon of the sugar residueof the next nucleotide by____bonds.a)5, 3, phosphodiesterb)5, 3, glycosidicc)3, 5, phosphodiesterd)3, 5, glycosidicCorrect answer is option 'A'. Can you explain this answer?
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In a DNA molecule, the phosphate group is attachedto ____carbon of the sugar residue of its ownnucleotide and_____ carbon of the sugar residueof the next nucleotide by____bonds.a)5, 3, phosphodiesterb)5, 3, glycosidicc)3, 5, phosphodiesterd)3, 5, glycosidicCorrect answer is option 'A'. Can you explain this answer? for NEET 2024 is part of NEET preparation. The Question and answers have been prepared according to the NEET exam syllabus. Information about In a DNA molecule, the phosphate group is attachedto ____carbon of the sugar residue of its ownnucleotide and_____ carbon of the sugar residueof the next nucleotide by____bonds.a)5, 3, phosphodiesterb)5, 3, glycosidicc)3, 5, phosphodiesterd)3, 5, glycosidicCorrect answer is option 'A'. Can you explain this answer? covers all topics & solutions for NEET 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for In a DNA molecule, the phosphate group is attachedto ____carbon of the sugar residue of its ownnucleotide and_____ carbon of the sugar residueof the next nucleotide by____bonds.a)5, 3, phosphodiesterb)5, 3, glycosidicc)3, 5, phosphodiesterd)3, 5, glycosidicCorrect answer is option 'A'. Can you explain this answer?.
In a DNA molecule, the phosphate group is attachedto ____carbon of the sugar residue of its ownnucleotide and_____ carbon of the sugar residueof the next nucleotide by____bonds.a)5, 3, phosphodiesterb)5, 3, glycosidicc)3, 5, phosphodiesterd)3, 5, glycosidicCorrect answer is option 'A'. Can you explain this answer? for NEET 2024 is part of NEET preparation. The Question and answers have been prepared according to the NEET exam syllabus. Information about In a DNA molecule, the phosphate group is attachedto ____carbon of the sugar residue of its ownnucleotide and_____ carbon of the sugar residueof the next nucleotide by____bonds.a)5, 3, phosphodiesterb)5, 3, glycosidicc)3, 5, phosphodiesterd)3, 5, glycosidicCorrect answer is option 'A'. Can you explain this answer? covers all topics & solutions for NEET 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for In a DNA molecule, the phosphate group is attachedto ____carbon of the sugar residue of its ownnucleotide and_____ carbon of the sugar residueof the next nucleotide by____bonds.a)5, 3, phosphodiesterb)5, 3, glycosidicc)3, 5, phosphodiesterd)3, 5, glycosidicCorrect answer is option 'A'. Can you explain this answer?.
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In a DNA molecule, the phosphate group is attachedto ____carbon of the sugar residue of its ownnucleotide and_____ carbon of the sugar residueof the next nucleotide by____bonds.a)5, 3, phosphodiesterb)5, 3, glycosidicc)3, 5, phosphodiesterd)3, 5, glycosidicCorrect answer is option 'A'. Can you explain this answer?, a detailed solution for In a DNA molecule, the phosphate group is attachedto ____carbon of the sugar residue of its ownnucleotide and_____ carbon of the sugar residueof the next nucleotide by____bonds.a)5, 3, phosphodiesterb)5, 3, glycosidicc)3, 5, phosphodiesterd)3, 5, glycosidicCorrect answer is option 'A'. Can you explain this answer? has been provided alongside types of In a DNA molecule, the phosphate group is attachedto ____carbon of the sugar residue of its ownnucleotide and_____ carbon of the sugar residueof the next nucleotide by____bonds.a)5, 3, phosphodiesterb)5, 3, glycosidicc)3, 5, phosphodiesterd)3, 5, glycosidicCorrect answer is option 'A'. Can you explain this answer? theory, EduRev gives you an
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