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cs.boisestate.edu/~amit/teaching/342/lab/structure.html

DNA is made up of six smaller molecules -- a five carbon sugar called ... The steps of the ladder are made of two bases joined together with either two or three  ...

www.reference.com/science/substances-make-up-steps-dna-ladder-aec2785e863bb5c2

The steps, or rungs, of the DNA ladder are made up of two bases joined together with either two or three weak hydrogen bonds. The rails of the ladder are made ...

socratic.org/questions/the-rungs-of-the-dna-ladder-are-made-of-what

May 25, 2017 ... The "rungs" of the DNA strand are made up of nitrogenous bases.

brainly.com/question/4308302

They are made of six molecules. 5 carbon sugar called deoxyribose, a phosphate molecule and four different nitrogenous bases ( adenine, thymine, cytosine ...

www.quora.com/What-are-the-rungs-of-a-DNA-ladder-made-of-What-material-are-they-comprised-of

Since DNA is thought to be like a twisted ladder the "rungs", not including the " rails", of DNA are made up of nitrogenous bases: adenine (A), ...

internal.champaignschools.org/staffwebsites/isabelgi/Soph_Bio/DNAstructure.htm

What was the structure of DNA that was discovered by Watson and Crick? ... What two things is the DNA backbone (strands) made of? In DNA, there are 4 possible nitrogen bases that can make up the "rungs" or "steps" of the DNA ladder.

www.dnaftb.org/19

Earlier work had shown that DNA is composed of building blocks called ... The rungs of the ladder are formed by complementary pairs of nitrogen bases — A ...

york-bio.com/qstep4.htm

Molecular weight DNA marker designed for size determination and quantification.

www.biologyreference.com/Co-Dn/DNA.html

The DNA ladder's two sidepieces (its double-stranded backbone) are made of ... project inward toward each other to form rungs or steps, called base pairs .