Natural Products from Antarctic Colonial Ascidians of the Genera Aplidium and Synoicum: Variability and Defensive Role

Autor: Conxita Avila, Margherita Gavagnin, María Mercedes Varela, Jaime Rodríguez, Rosa María Nieto, Jennifer Vázquez, Marianna Carbone, Laura Núñez-Pons

Publikováno v: Marine Drugs, Vol 10, Iss 8, Pp 1741-1764 (2012)

Ascidians have developed multiple defensive strategies mostly related to physical, nutritional or chemical properties of the tunic. One of such is chemical defense based on secondary metabolites. We analyzed a series of colonial Antarctic ascidians f

Externí odkaz: https://doaj.org/article/6d36f4183cfd4a249a371131ebe29cd0

Spanish pre-service teachers' alternative conceptions about Astronomy

Autor: María M. Álvarez-Lires, Azucena Arias-Correa, María Mercedes Varela-Losada, Uxío Pérez-Rodríguez

Publikováno v: Ciência & Educação (Bauru), Volume: 21, Issue: 4, Pages: 799-816, Published: DEC 2015
Ciência & Educação, Vol 21, Iss 4, Pp 799-816 (2015)
Ciência & Educação (Bauru) v.21 n.4 2015
Ciência & Educação (Bauru. Online)
Universidade Estadual Paulista (UNESP)
instacron:UNESP
Ciência & Educação

ResumenEl proceso de enseñanza y aprendizaje de la Astronomía parece entrañar importantes dificultades, particularmente propiciando la generación de concepciones alternativas, como han mostrado numerosas investigaciones procedentes de diferentes

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::ace1964125fb546c117d6a9a66c41588
https://doi.org/10.1590/1516-731320150040002