Nota: A tradução desta entrada está atualmente em revisão de qualidade, portanto parte do conteúdo é exibida temporariamente apenas em inglês.
Este verbete ainda não foi traduzido para o seu idioma, portanto o original é exibido abaixo.
grana
This term is used exclusively within the specialized field of botany and plant biology to describe the internal architecture of chloroplasts. It carries a neutral, scientific connotation and is never used in casual or non-technical conversation.
Grammatically, this word is a plural noun. Its singular form is "granum," meaning that "grana" should always be paired with plural verbs and modifiers. It is not used as a mass noun or an uncountable entity.
Meanings
The stacks of thylakoids within a chloroplast that are the site of the light-dependent reactions of photosynthesis.
The chloroplast contains several grana that maximize the surface area for light absorption.