Biologia
Quiz
•
Biology
•
1st - 6th Grade
•
Hard
Used 7K+ times
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18 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Los bioelementos secundarios...
Son indispensables para la formacion de las biomoleculas organicas
Puedes ser variables o indispensables y constituyen el 96% de la materia viva
Son C,H,O,N,S,P,Fe,Ca,Na,K y Mg
Incluyen, entre otros , los oligielementos , cuya proporcion es inferior al 0,1%
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Algunas celulas animales poseen vacuolas caracteristicas como es el caso de las vacuolas pulsatiles presentes en :
Los protozoos de agua dulce
El corazon de los moluscos
Las celulas contractiles de los anelidos
Las celulas de las esponjas
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Las celulas procariotas, en lugar de organulos membranosos, presentan unos repliegues en su membrana denominada:
Peroxisomas
Crestas
Mesosomas
Seudopodos
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Las mitocondrias son organulos celulares cuya funcion principal es :
La fotosintesis
La respiracion celular
La mitosis
La sintesis de proteinas
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Cual de las siguentes afirmaciones sobre los lisosomas es falsa:
Son vesiculas que contienen enzinas digestivas
Se forman a partir de las cisternas del aparato de Golgi
Se llaman secundarios cuando se unen a una vacuola con materia organica
Tambien se llaman fagosomas porque intervienen en la fagocitosis
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
La formacion de los ribosomas esta ligada a la actividad de :
El nucleo
El aparato de Golgi
Los cloroplastos
El centrosoma
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
La cromatina es :
El componente esencial del nucleolo
Cada una de las partes de un cronosoma
fibras de ARM asociadas a proteinas
Fibras de ADN empaquetadas con histonas
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