Examlex
Some of the bacteria in the human gut do not survive well outside of that environment, and produce vitamin K among other nutrients. This situation is an example of (commensalism/mutualism/parasitism).
Bacterial Transformation
A process by which bacteria take up foreign DNA from their surroundings, leading to genetic change.
DNA
A molecule that carries the genetic instructions used in the growth, development, functioning, and reproduction of all known living organisms and many viruses.
Anticodon
A sequence of three nucleotides in transfer RNA that is complementary to, and combines with, the three-nucleotide codon.
Codon
A triplet of mRNA nucleotides. The 64 possible codons collectively constitute a universal genetic code in which each codon specifies an amino acid in a polypeptide, or a signal to either start or terminate polypeptide synthesis.
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