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Base pairs in DNA molecules are held together by hydrogen bonds between the nitrogenous bases.

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5mo ago

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The two strands of DNA molecules are held together by?

hydrogen bonds between complementary nitrogenous bases.


How are DNA molecules bound together to form a double helix?

The DNA strands are held together by hydrogen bonds between complimentary base pairs.


How are the two chains of a double helix held together?

The two chains of a DNA double helix are held together by hydrogen bonds between complementary base pairs. Adenine pairs with thymine, and cytosine pairs with guanine. These hydrogen bonds form the base pairs that hold the two strands of DNA together.


What hold the two strands of the DNA molecules together?

it's easy ... It's simply the hydrogen bonds !


True or false The strands of a DNA molecule are held together by hydrogen bonding between adenine with guanine molecules and cytosine with thymine molecules?

False. Adenine pairs with thymine and guanine pairs with cytosine.


What holds DNA base pairs together until it is time to replicate?

The two strands of DNA are held together by hydrogen bonds.


How are complementary nitrogenous bases held together?

Complementary nitrogenous bases are held together by hydrogen bonds. Adenine pairs with thymine (or uracil in RNA) by forming two hydrogen bonds, while cytosine pairs with guanine by forming three hydrogen bonds. These hydrogen bonds provide the necessary stability for the base pairing in DNA and RNA molecules.


In DNA base pairs are held together by what kinds of bonds?

DNA base pairs are held together by Hydrogen Bonds. Adenine and Thymine have 2 bonds that hold them together while Cysteine and Guanine have 3 bonds that hold them together. The hydrogen bonds generally occur between a Nitrogen and a carbonyl oxygen.


What kind of bonds do the atoms in molecules of oxygen gas and nitrogen gas held together?

The atoms in molecules of oxygen gas (O2) are held together by a double covalent bond, where two pairs of electrons are shared between the oxygen atoms. In contrast, the atoms in molecules of nitrogen gas (N2) are held together by a triple covalent bond, where three pairs of electrons are shared between the nitrogen atoms.


Nitrogenous base pair in DNA?

The nitrogenous base pairs in DNA are adenine (A) paired with thymine (T), and cytosine (C) paired with guanine (G). These base pairs are held together by hydrogen bonds, forming the double helix structure of DNA.


What is complementary base pairing and how does it contribute to the stability of DNA molecules?

Complementary base pairing is the specific bonding between adenine and thymine, and between cytosine and guanine in DNA molecules. This pairing ensures that the two strands of DNA are held together in a stable double helix structure. The hydrogen bonds formed between the complementary base pairs contribute to the overall stability of the DNA molecule.


How are the strands held together in the double helix?

On a single strand of DNA the nucleotides are held together by covalent bonding between the phosphate group bonded to the 5' end of the deoxyribose, which bonds to another deoxyribose molecule attached to the next nucleotide on the strand at the 3' end of the sugar. This is what holds together a single strand. When two strands of DNA that have exactly complementary base pairing (Adenine bonds with only Thymine, and Cytosine with Guanine) the base forms a hydrogen bond to the base on the opposite strand, only if the base pairing is complementary. So, in short the double helix form is held together by hydrogen bonds between the bases present on the strand.