Repaso unidades 1,2 PCT

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Biology
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Professional Development
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Medium
Ana Varela
Used 22+ times
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50 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Indica a resposta correcta con respecto ó microscopio
a) O poder de resolución do micro de campo claro é dunhas 0,2 micras
b) O microscopio electrónico ten unha resolución de ata 10E-6mm
c) O microscopio de electrónico permite estudar orgánulos, p.e.
d) Todas as respostas anteriores son correctas
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
O TEM permite:
a) Que os electróns interaccionen coa superficie da mostra e rebotar para obter a imaxe
b) Observar porcións de órganos, imaxes en 3D
c) Ver as imaxes en tonalidades grises
d) Ver seccións grosas de tecidos
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
O condensador do microscopio óptico serve para:
a) Controlar a cantidade de luz que entra
b) Atravesar a sección do tecido
c) Permite os axustes finos sobre a mostra
d) Ningunha resposta é correcta
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
É un tipo de microscopio electrónico:
a) De interferencia
b) SEL
C) STEM
d) De fluorescencia
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Se quero ver células vivas, podo empregar...
a) MO de contraste de fases
b) MO de campo claro
c) MO de interferencia
d) As respostas a) e b) son as correctas
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
O proceso polo que se elimina completamente a auga dos tecidos e se substitúe por un material que manteña a estructura da mostra, denomínase:
Deshidratación
Inclusión
Aclaramento
Desalcolización
7.
FILL IN THE BLANK QUESTION
1 min • 1 pt
A deshidratación é o primeiro paso da inclusión en parafina, xa que ésta non é .................. e só poderá penetrar nos tecidos unha vez que a auga sexa retirada da mostra
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