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On a DNA molecule a guanine base will form a hydrogen bond with a?
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∙ 14y ago
Cytosine
From : PY Blain
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∙ 14y ago
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Why does C always have to bond with G?
C always has to bond with G because of base pairing rules. Only between Cytosine and Guanine are there opportunities to form hydrogen bonds. This is why Adenine or Thymine cannot bond with Guanine and Cytosine.
What is adenine and guanine held together with?
The Cytosine, Guanine, Adenine and Thymine bases present in DNA are molecules that are held together by intermolecular hydrogen bonds. This bond occurs between an electronegative atom (known as a hydrogen bond acceptor) and a hydrogen atom attached to another electronegative atom (known as a hydrogen bond donor).
Why hydrogen gas molecule is non polar?
The bond in the molecule is covalent.
What nitrogenous bases will tend to hydrogen bond with adenine in DNA?
guanine
What type of bond holds base pair together?
Adenine pairs with Thymine Guanine pairs with Cytosine
How many hydrogen bond hold guanine and cytosine?
The Adenine (Thymine) base pair is held together by 2 hydrogen bonds while the Guanine (Cytosine) base pair is held together by 3 hydrogen bonds. That is also the reason why the two strands of a DNA molecule can be separated more easily at sections that are densely populated by A - T base pairs.
Why does C always have to bond with G?
C always has to bond with G because of base pairing rules. Only between Cytosine and Guanine are there opportunities to form hydrogen bonds. This is why Adenine or Thymine cannot bond with Guanine and Cytosine.
Bond which base pairs are linked in DNA?
They are linked by hydrogen bonds. Adenine and thymine have two hydrogen bonds while cytosine and guanine have three hydrogen bonds.
What holdes nitrogen bases together?
A weak hydrogen bond, adenine and thymine have a double hydrogen bond cytosine and guanine have a triple hydrogen bond
A type of weak chemical bond formed when the partially positive hydrogen atom in one molecule is attracted the partially negative atom of a neighboring molecule?
A hydrogen bond.
Why is hydrogen peroxide a molecule?
Hydrogen peroxide is a molecule because it is a combination of atoms with a bond.
How is a DNA molecule held together and separated by?
A DNA molecule is held together by its hydrogen bonds. The bonds are in between the bases of the molecule, for example cytosine and guanine. Because hydrogen bonds are weak, they are able to break apart easily and split when the molecule needs to be separated to bond with another DNA molecule for reproduction.
How does ATCG bond?
They form hydrogen bonds with their complementary base pair. There are 3 hydrogen bonds that link Cytosine and Guanine, however there are only 2 hydrogen bonds that link Adenine and Thymine.
What is adenine and guanine held together with?
The Cytosine, Guanine, Adenine and Thymine bases present in DNA are molecules that are held together by intermolecular hydrogen bonds. This bond occurs between an electronegative atom (known as a hydrogen bond acceptor) and a hydrogen atom attached to another electronegative atom (known as a hydrogen bond donor).
Which pair of nitrogenous bases will form a bond in a DNA molecule?
Complementary nitrogen bases pair by means of hydrogen bonds. Refer to the related link below for an illustration.
Which bases does Guanine always bond with to form a pair in DNA?
In a DNA molecule cytosine always pairs with guanine, the same is true for an RNA molecule.
Why hydrogen gas molecule is non polar?
The bond in the molecule is covalent.
