During DNA replication, the two strands separate as the hydrogen bonds connecting the parent strands are broken by an enzyme called helicase. In the DNA molecule (double strand) complementary bases are joined by hydrogen bonds; that is; Adenine paired to thyamine and guanine to cytosine; during replication the enzyme helicase separates the double helix by breaking the hydrogen bonds between the complementary bases.
Sunlight, hope this helps :)
True, Bright-field microscopes are used for most microscopic work.
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Students can also choose directed electives that allow them to get a certificate in Child Nutrition Program Management.
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