What do a human, a rose, and a bacterium have in common? Each of these things — along with every other organism on Earth — contains the molecular instructions for life, called deoxyribonucleic ...
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ZME Science on MSNScientists Discover a New Form of Inheritance That Doesn’t Involve DNAScience is rarely straightforward. Many times, scientists embark on a study looking for evidence for a particular hypothesis, ...
Combinations of these atoms form the sugar-phosphate backbone of the DNA -- the sides of the ladder, in other words. Other combinations of the atoms form the four bases: thymine (T), adenine (A ...
A second major difference between the two substances is that RNA is made in a single-stranded, nonhelical form. (Remember, DNA is almost always in a double-stranded helical form.) Furthermore ...
Whether this bizarre form of DNA existed in cells and had any function, and what that might be, was hotly debated for nearly half a century. But research has recently confirmed its biological ...
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