semiconservative replication
[ˌsɛmɪkənˈsɜrvətɪv ˌrɛpləˈkeɪʃən]
nounfemininepl: replicações semiconservativas
replicação semiconservativa
1. A method of DNA replication in which the original double-stranded DNA molecule separates into two single strands, each serving as a template for the synthesis of a new complementary strand, resulting in two identical double-stranded DNA molecules, each containing one original and one newly synthesized strand.
The Meselson-Stahl experiment confirmed that DNA replication is semiconservative by using nitrogen isotopes to track the original and new DNA strands.
O experimento de Meselson-Stahl confirmou que a replicação do DNA é semiconservativa ao usar isótopos de nitrogênio para rastrear as fitas de DNA originais e novas.
2. The mechanism by which genetic information is accurately passed to daughter cells during cell division, preserving the continuity of genetic material.
Through semiconservative replication, each new DNA molecule retains half of the original DNA structure.
Através da replicação semiconservativa, cada nova molécula de DNA retém metade da estrutura original do DNA.
This is a technical scientific term used universally in molecular biology education and research. It is particularly prominent in Brazilian high school and university biology curricula. The term became significantly important after the 1958 Meselson-Stahl experiment, which is a cornerstone of modern molecular biology teaching in both Brazil and the United States. Portuguese-speaking scientists predominantly use 'replicação semiconservativa' in academic publications and formal scientific discourse.
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