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What type of bond connects to the backbone of a DNA molecule?
The nucleotides are linked by peptide bonds - covalent bonds between the carbon in the carboxyl group and the nitrogen in the amino group. The double helix is formed by hydrogen bonds between the hydrogens and oxygens of two strands of nucleotides.
The structure of a DNA molecule resembles the shape of a twisted ladder. In this model which part of the ladder is made of sugars and phosphates?
Each strand is made up of a chain of nucleotides.The two strands are held together by hydrogen bonds between adenine and thymine and between guanine and cytosine. The hydrogen bonds of DNA are analogous to the rungs of a twisted ladder. The sugar-phosphate backbones of the double helix are analogous to the sides of a twisted ladder.
What are the bonds found in DNA molecules?
The bonds found in DNA molecules are hydrogen bonds between complementary nitrogenous bases (adenine-thymine and guanine-cytosine) and phosphodiester bonds between the sugar and phosphate groups of adjacent nucleotides in the backbone of the DNA strand.
How does the phosphate buffer system help in maintaining the pH of our body?
The phosphate buffer system consists of two ions: dihydrogen phosphate ions and hydrogen phosphate ions. When the number of hydrogen ions in a body's bloodstream increases (pH drops), hydrogen phosphate ions accept hydrogen ions in order to maintain the equilibrium between the concentration of hydrogen and hydroxide ions within the bloodstream. When the number of hydrogen ions in the bloodstream decreases (pH increases), the resulting dihydrogen phosphate ions release hydrogen ions in order to increase the number of hydrogen ions in the blood.
What type of bond holds the deoxyribose and phosphate together?
A phosphodiester bond holds the deoxyribose sugar and phosphate group together in a DNA molecule. This bond forms between the 3' carbon of one deoxyribose and the 5' carbon of the adjacent deoxyribose in the DNA backbone.
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.
Which macromolecule has a sugar-phosphate backbone?
Nucleic acids DNA and RNADNA has deoxyribose and phosphate forming the backbone and an attached nitrogenous base, These three components form a nucleotide.RNA has ribose sugar, phosphate and nitrogenous bases. The bonds holding the macromolecule together are covalent bonds within the nucleotides and hydrogen bonds holding the double strands of the DNA molecule.
What are the sides of DNA ladder made out of?
The Sides of this ladder equate to the Dna's Sugar-Phosphate Backbone; the Rungs of this ladder equate to the Hydrogen-bonding that takes place between base pairs.
What is the name for HPO42?
HPO4 does not exist. HPO42- would be the dibasic form of phosphoric acid and be the hydrogen phosphate ion. H3PO4 also exists and is phophoric acid. So if two moles of NaOH were reacted with phosphoric acid 2Na+ HPO42- would be formed disodium hydrogen phosphate.
What is the formula for the hydrogen phosphate ion?
The formula for hydrogen phosphate ion is: H2PO4−
What is meant by sugar phosphate backbone?
It mean the sugars, all 5 carbon sugars, are strung in a row hooked from the 3' carbon through the 5' carbon ( Google pentose or saccharides for picture ) by phosphate groups. PO4(3-) with the bases, in DNA's case, hydrogen bonded between two rows of sugar phosphate.
What is the correct name for LiHPO4?
Lithium Hydrogen Phosphate or Lithium biphosphate
What protein cuts DNA?
It is DNA Helicase that breaks the Hydrogen Bonds, officially "cutting the DNA". Then DNA Polymerase adds complementary nucleotides to the split DNA molecules. Then DNA Ligase "scans" the DNA for any flaws in the sugar/Phosphate backbone.
Monoammonium phosphate Diammonium hydrogen phosphate among these which is more soluble in water?
Diammonium hydrogen phosphate is more soluble in water compared to monoammonium phosphate. This is because diammonium hydrogen phosphate has two ammonium ions, which increases its overall solubility in water.
What is the formula for lithium hydrogen phosphate.?
The formula for lithium hydrogen phosphate is Li2HPO4.
Another name for aqueous hydrogen phosphate is?
Hydrogen phosphate is also known as dihydrogen phosphate.
What is the chemical name for Na2HPO4?
The correct answer is sodium monohydrogen phosphate.
