THE MOLECULAR BASIS OF INHERITANCE
STRUCTURE OF NUCLEIC ACIDS
|
Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
|
|
|
hydrogen bonds between bases
|
|
|
phosphodiester bonds
|
|
|
covalent bonds between bases
|
|
|
ionic bonds between bases and phosphate groups
|
Detailed explanation-1: -During DNA replication breaking of H-bond is required to uncoil the DNA. When the DNA replication starts, the parent DNA double helix uncoils and splits into single DNA strands by breakdown of hydrogen bonds.
Detailed explanation-2: -In general, DNA is replicated by uncoiling of the helix, strand separation by breaking of the hydrogen bonds between the complementary strands, and synthesis of two new strands by complementary base pairing.
Detailed explanation-3: -Key enzyme involved in DNA replication, it is responsible for ‘unzipping’ the double helix structure by breaking the hydrogen bonds between bases on opposite strands of the DNA molecule.
Detailed explanation-4: -The process of breaking the hydrogen bonds between the nucleotide base pairs in double-stranded DNA requires energy. To break the bonds, helicases use the energy stored in a molecule called ATP, which serves as the energy currency of cells.
Detailed explanation-5: -Phosphodiester bonds between complementary bases break.