Examlex
The correct sequence of genetic expression is (1)a gene is composed of DNA, (2)mRNA is synthesized from the gene, and (3)protein is synthesized from the mRNA.
Gas Exchange
The biological process through which organisms exchange oxygen and carbon dioxide with their environment, essential for respiration.
Diffusion
The movement of molecules or particles from an area of higher concentration to an area of lower concentration until equilibrium is reached.
Diffusion
The movement of particles from an area of higher concentration to an area of lower concentration, leading to an even distribution.
Gas Exchange
The biological process through which different gases (like oxygen and carbon dioxide) are transferred in opposite directions across a respiratory surface.
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