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The 'steps' or 'rungs' of the DNA 'ladder' are complimentary pairs of bases bonded by hydrogen bonds. The bases are Adenine, Thymine, Cytosine and Guanine. Adenine always bonds to Thymine and Cytosine always bonds to Guanine.

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Ardella Ernser

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What are the ''rungs'' (steps) of the DNA ladder made of?

The 'steps' or 'rungs' of the DNA 'ladder' are complimentary pairs of bases bonded by hydrogen bonds. The bases are Adenine, Thymine, Cytosine and Guanine. Adenine always bonds to Thymine and Cytosine always bonds to Guanine.


what are the ''rungs'' of the DNA ladder made of?

nucleotitdes 


What are the 4 that make up the rungs of the DNA ladder?

what are 4 bases that make up the rungs of the DNA ladder


Which part of the ladder is made of sugars and phosphates?

The sugar-phosphate backbone of DNA is made up of alternating sugar (deoxyribose) and phosphate molecules. These molecules form the "rungs" of the DNA ladder, connecting the nitrogenous bases that make up the steps of the ladder.


What are the 4 bases the make up the rungs of the DNA ladder?

what are 4 bases that make up the rungs of the DNA ladder


What specifically breaks the rungs of the DNA ladder?

The enzyme helicase separates the nitrogen base pairs, or rungs, of the DNA ladder.


What group makes up the rungs or steps of DNA?

The rungs or steps of DNA are made up of nucleotide bases. There are four types of nucleotide bases: adenine (A), thymine (T), cytosine (C), and guanine (G). These bases pair up in a specific way (A with T and C with G) to form the rungs of the DNA ladder.


Are nitrogen bases are located in the central rungs of a DNA ladder?

Yes, the rungs of the DNA ladder consist of pairs of nitrogen bases.


What are the ladders of DNA made of?

The 'steps' on the 'DNA Ladder' are made up of the four nitrogenous bases, Cytosine, Guanine, Thymine, and Adenine, while the pairing bases (Adenine & Thymine, Cytosine & Guanine) are bonded together with a hydrogen bond. The pairing bases (the 'rungs' of the ladder) are connected to the side posts of the ladder, which contain phosphate.


What pair forms a rung in the DNA ladder?

The base of the nucleotides


What are the rungs of the DNA ladder in the DNA miolecule?

They are nitrogen bases.


What 3 parts make up the rungs of the DNA ladder?

The rungs of the DNA ladder are composed of alternating deoxyribose sugar molecules and phosphate groups.