This is the 9112th most frequent Portuguese word.
bivalentes
"Bivalentes" refers to something that has two valences or affinities, or it can describe organisms or structures with two connected parts, such as paired chromosomes during meiosis.
In this sentence, 'bivalentes' refers to organisms that have two shells or valves, like bivalve mollusks.
As ostras são exemplos de organismos bivalentes.
Oysters are examples of bivalent organisms.
Here, 'bivalentes' is used to describe vaccines that target two distinct strains of a virus.
As vacinas bivalentes são úteis contra duas cepas víricas.
Bivalent vaccines are useful against two viral strains.
In this context, 'bivalentes' refers to dual aspects or elements in the theory that can be considered.