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Factor pairs are two numbers that, when multiplied together, equal another number, or product. For instance, one and 12, two and 6, and three and four are the three factor pairs for the number 12.


The factor pairs of 60 are 1 x 60, 2 x 30, 3 x 20, 4 x 15, 5 x 12 and 6 x 10. The product of each of these number pairs is 60.


Base pairing is the specific bonding of complementary nucleotide bases to one another in a nucleic acid. In base pairing, a purine bonds with a pyrimidine; specifically, guanine forms a bond with cytosine, and adenine bonds with either thymine or uracil, depending on the type of nucleic acid involve


The factor pairs of 72 are 1 x 72, 2 x 36, 3 x 24, 4 x 18, 6 x 12 and 8 x 9. The product of each of these number pairs is 72.


A zero pair describes a pair of numbers whose sum equals zero. One number in this equation will always have a positive sign, while the other number will always have a negative sign.


Base pairs are held together by hydrogen bonds. Depending on the nucleotides that make up the base pair, there are either two or three hydrogen bonds. Hydrogen bonds are not actually bonds, but significant attraction forces between positively charged hydrogen atoms of one molecule and a negatively c


Jacob Davis and Levi Strauss invented the modern American blue jeans in 1873. Strauss was a German dry goods merchant, and Davis was a Latvian tailor.


According to a handout called "Ways to Teach Opposites" written by Kevin Stuckey, M.Ed., CCC-SLP, opposites can be listed as concept pairs or demonstrated with a foil. Both are frequently used as ways of teaching children the concept of opposites.


During DNA replication, nucleotides are specifically matched to their complementary base pair. According to PBS, DNA resembles a long spiraling ladder consisting of a sugar-phosphate backbone and nucleotide pairs making up the rungs.


A factor pair is a pair of integers whose product is a given number. The factors of a prime number are only 1 and itself. Composite numbers have the factor pair of 1 and itself, as well as at least one other factor pair.