single strand
[ˈsɪŋɡəl strænd]
nounpl: single strands
fita simples, filamento único, fio único
1. A single thin length of something, such as hair, fiber, DNA, or thread
A single strand of hair fell across her face.
Um fio único de cabelo caiu sobre seu rosto.
2. In molecular biology, one of the two complementary chains of a DNA molecule
The single strand DNA was separated from its complement during the denaturation process.
O DNA de fita simples foi separado de seu complemento durante o processo de desnaturação.
3. A single element or component that forms part of a larger structure
Each single strand contributes to the overall strength of the rope.
Cada fita simples contribui para a resistência geral da corda.
The term 'single strand' is primarily used in scientific and technical contexts in both Brazilian Portuguese and English-speaking cultures. In molecular biology laboratories and textbooks across Brazil and the USA, this terminology is standard. The metaphorical use (e.g., 'hanging by a single strand') appears in literature and everyday speech to denote fragility or precarious situations.
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