Examlex
The bursa of Fabricius is an endocrine structure found only in
Hydrogen Bonds
Weak bonds between partially positive hydrogen atoms and partially negative atoms (often oxygen or nitrogen) in nearby molecules.
Complementary Base Pairs
The pairing of nitrogenous bases in DNA and RNA through hydrogen bonds, like adenine with thymine (or uracil in RNA), and cytosine with guanine.
RNA Primer
A short strand of RNA needed for DNA replication; it serves as the starting point for DNA synthesis.
Leading Strand
The strand of DNA that is continuously created during the process of DNA replication, following the direction of the replication fork.
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