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Where are covalent bonds located in a DNA molecule?
Covalent bonds in a DNA molecule are located in the sugar-phosphate backbone that runs along the sides of the molecule. These covalent bonds link the phosphate group of one nucleotide to the sugar group of the next nucleotide, creating a strong and stable backbone for the DNA molecule.
What is Phosphodiester Backbone?
The phosphodiester backbone refers to the alternating sugar-phosphate-sugar-phosphate chain that forms the structural framework of nucleic acids like DNA and RNA. This backbone is responsible for holding the nucleotide bases together and providing stability to the overall structure of the molecule. It plays a crucial role in maintaining the genetic information encoded in the sequence of nucleotide bases.
Does rna have a phosphate group or a hydroxyl group?
RNA has both a phosphate group in its backbone and a hydroxyl group on the ribose sugar in its structure. The phosphate group connects the nucleotides in RNA's backbone, while the hydroxyl group distinguishes RNA from DNA, which has a hydrogen atom in its place.
What represents the portion of DNA composed of the nucleotides' phosphate groups?
The back-bone of DNA is called 'the sugar-phosphate backbone' because: the ribose [or the 2' [two-prime] deoxy-ribose] sugars that 'make up' the backbone binding portion of the (one of four) nucleotide bases is interlaced with the phosphate moieties. Compare to adding N to the C chain to gain strength.
Is a strong bond used to bond the nucleic acid monomers together along one chain?
Yes, a strong bond called a phosphodiester bond is used to bond nucleic acid monomers (nucleotides) together along one chain. This bond forms between the phosphate group of one nucleotide and the sugar group of the adjacent nucleotide, creating a sugar-phosphate backbone in DNA and RNA molecules.
What parts of a nucleotide make up the backbone of a nucleotide?
Pentose sugars and Phosphate groups
DNA is made up of nucleotide bases bonded to a?
DNA is made up of nucleotide bases bonded to a sugar-phosphate backbone. This backbone consists of alternating sugar and phosphate molecules, with the nucleotide bases (adenine, thymine, cytosine, and guanine) attached to the sugar molecules.
What is the sequence of subunits in the DNA backbone?
The DNA backbone consists of alternating sugar (deoxyribose) and phosphate groups. The sugar-phosphate backbone is formed by the covalent bonds between the sugar of one nucleotide and the phosphate group of the next nucleotide. This forms a repeating pattern of sugar-phosphate-sugar-phosphate along the DNA strand.
How is the sugar phosphate backbone held together?
The sugar-phosphate backbone in DNA is held together by covalent bonds called phosphodiester bonds. These bonds link the 5' phosphate group of one nucleotide to the 3' hydroxyl group of the next nucleotide, forming a strong sugar-phosphate backbone that gives DNA its structural stability.
A DNA nucleotide is composed of?
A nucleotide is composed of a Nitrogenous base, a phosphate, and a ribose sugar.
What parts of the nucleotide make up the backbone of the nucleic acid?
Pentose sugars and Phosphate groups
What part of nucleotide make up the backbone of nucleic acid?
Pentose sugars and Phosphate groups
What part of a nucleotide makes up the backbone of a nucleic acid?
Pentose sugars and Phosphate groups
What three common parts of a nucleotide?
What make up the backbone of a polynucleotide strand?
The backbone of a polynucleotide strand is composed of alternating sugar (deoxyribose or ribose) and phosphate molecules. The sugar-phosphate backbone provides the structural support for the nucleotide bases, which extend from the backbone and form interactions with bases on the opposite strand in DNA or RNA molecules.
What are nucleotides attached to?
Nucleotides are attached to each other through a sugar-phosphate backbone. The phosphate group of one nucleotide is attached to the sugar molecule of another nucleotide, forming a chain. Additionally, nucleotides are also attached to nitrogenous bases, such as adenine, cytosine, guanine, or thymine (in case of DNA) or uracil (in case of RNA).
What two components make up the nucleotide backbone?
The two components that make up the nucleotide backbone are the sugar molecule, which is either ribose in RNA or deoxyribose in DNA, and the phosphate group. Together, they form the repeating structure that provides the backbone for the nucleic acid strand.
