Examlex
Provide the structure of a T-A base pair, showing hydrogen bonds as dotted lines.
Peptidoglycan
A modified protein or peptide having an attached carbohydrate; component of the bacterial cell wall.
Circular DNA
A type of DNA structure found in many bacteria, some viruses, and mitochondria, where the DNA forms a closed loop without free ends.
Pandoraviruses
A genus of giant viruses known for their large size and unique genetic makeup, challenging traditional virus classification.
Polydnaviruses
A group of viruses that have a mutualistic relationship with some species of parasitoid wasps and are involved in suppressing the immune systems of the wasps' hosts.
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