Examlex
The extended family expands the nuclear unit "horizontally" by adding one or more spouses (almost always wives) to the household.
Phosphodiester Linkage
A chemical bond that joins the sugar and phosphate groups of adjacent nucleotides in DNA or RNA.
Hydrogen Bonds
Weak bonds between two molecules caused by the electrostatic attraction between a proton in one molecule and an electronegative atom in the other.
Adenine And Thymine
Adenine and Thymine are complementary nitrogenous bases in DNA, where Adenine (A) pairs with Thymine (T) through hydrogen bonding.
Nucleotide Excision Repair
A DNA repair mechanism that removes and correctly replaces a damaged segment of DNA using the undamaged strand as a template.
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