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What holds rungs together at the sides?

The rungs on a ladder are held between the rails.


What are the rungs of DNA ladder made from?

The rungs are made of 4 different types of bases. The bases letters are A,T,G, and C. Only A and T can go together, and only G and C can go together.


A firefighter stood on a middle rung of a ladder An explosion made him walk down 7 rungs .He later climbed 15 rungs and then the remaining last 3 rungs to the top.How many rungs did the ladder have?

The ladder had 25 rungs in total. This can be calculated by adding the 7 rungs walked down to the 15 rungs climbed up, then adding the final 3 rungs. So, 7 + 15 + 3 = 25 rungs on the ladder.


The DNA double helix looks like a twisted ladder What makes up each rung of the ladder What makes up the sides of the ladder What holds the rungs together at the sides?

Each rung of the DNA double helix is made up of a pair of nitrogenous bases (adenine-thymine or guanine-cytosine). The sides of the ladder are made up of alternating sugar (deoxyribose) and phosphate molecules. Hydrogen bonds hold the nitrogenous bases of the rungs together, creating the structure of the DNA double helix.


What kind of glue holds the boards together?

Wood glue holds boards together.


Flexible structure that holds cells together?

The cell membrane holds a cell together.


What are the step of a ladder call?

The steps of a ladder are called rungs.


What holds everything together the solar system the gravity the god?

well all say the gravity holds everything together but i don't know what holds everything together


A is a force that holds together atoms in a substance?

chemical bond holds together the atoms in a substance


What holds a nucleus together?

The cell membrane, which is like a plastic baggy, holds the nucleus together.


What makes up the rungs of the ladder of DNA?

The nitrogenous bases Adenine, Thymine, Guanine, and Cytosine Adenine and Thymine are always together and Cytosine and Guanine are always together.


DNA is described as a zipper or corkscrew unwound it looks like a ladder of what substances are rails and rungs composed?

The rails of DNA are made up of pairs of sugars and phosphates. The middle of the strand of DNA or the rungs are made of nucleotides and bases of codons, such as ATCG base pairs. The bond that holds the DNA together is a hydrogen bond.