the bond is strong
Because it is
"Individual hydrogen bonds are weak and easily broken; however, they occur in very large numbers in water and in organic polymers, creating a major force in combination. Hydrogen bonds are also responsible for zipping together the DNA double helix." -lumenlearning
The reason why it is advantageous to have weak hydrogen bonds between complementary base pairs and strong covalent bonds between phoshate and deoxyribose groups in a DNA molecule is because the strong covalent bonds running along the "ladder" of the DNA molecule (the phospate and deoxyribose units) keep the molecule together during its existence and more importantly its reproduction. The weak hydrogen bonds in the middle keep the reproduction cycle going on forever because it is able to perform an easy split between the hydrogen bonds throughout the middle of the molecule.
The chemical bond that holds the double helix together in DNA are the hydrogen bonds. Hydrogen bonds are the weakest making them perfect for DNA replication.
Covalent as well as weak hydrogen bonds
Hydrogen bonds. They are weak individually, but enough of them have some strength ( water, for instance ) through the are not strong enough to impede the splitting of the DNA molecule when a replicative process, for instance, needs preforming.
Because it is
Strong hydrogen bonds.
The bonds of the atom are covalent where as the bonds between the base pairs are hydrogen.
DNA contains four nucleotide bases, which are adenine, thymine, cytosine and guanine. The pairs of nucleotides that can be held together by weak hydrogen bonds are purines and pyrimidines.
"Individual hydrogen bonds are weak and easily broken; however, they occur in very large numbers in water and in organic polymers, creating a major force in combination. Hydrogen bonds are also responsible for zipping together the DNA double helix." -lumenlearning
The reason why it is advantageous to have weak hydrogen bonds between complementary base pairs and strong covalent bonds between phoshate and deoxyribose groups in a DNA molecule is because the strong covalent bonds running along the "ladder" of the DNA molecule (the phospate and deoxyribose units) keep the molecule together during its existence and more importantly its reproduction. The weak hydrogen bonds in the middle keep the reproduction cycle going on forever because it is able to perform an easy split between the hydrogen bonds throughout the middle of the molecule.
The reason why it is advantageous to have weak hydrogen bonds between complementary base pairs and strong covalent bonds between phoshate and deoxyribose groups in a DNA molecule is because the strong covalent bonds running along the "ladder" of the DNA molecule (the phospate and deoxyribose units) keep the molecule together during its existence and more importantly its reproduction. The weak hydrogen bonds in the middle keep the reproduction cycle going on forever because it is able to perform an easy split between the hydrogen bonds throughout the middle of the molecule.
The chemical bond that holds the double helix together in DNA are the hydrogen bonds. Hydrogen bonds are the weakest making them perfect for DNA replication.
Covalent as well as weak hydrogen bonds
by weak hydrogen bonds :)
Hydrogen bonds. They are weak individually, but enough of them have some strength ( water, for instance ) through the are not strong enough to impede the splitting of the DNA molecule when a replicative process, for instance, needs preforming.