
Bioelementos y biomoléculas
Authored by Wanda Ozuna
Science
8th Grade
Used 7+ times

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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
1.Tienen función estructural y dan consistencia a los huesos o a las caparazones de los moluscos:
Sales precipitadas
Sales disueltas
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
2. Permiten la regulación de la entrada y salida de agua en los tejidos e intervienen en funciones específicas, como la contracción muscular.
Sales disueltas
Sales precipitadas
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
3. Es importante porque se encuentra en la hemoglobina, molécula encargada de transportar el oxígeno a la sangre.
Sodio
Hierro
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
4. Es necesario para la fotosíntesis de las plantas y contribuye a mantener una temperatura adecuada para la vida:
Carbono
Calcio
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
5.Se encuentran juntos formando el agua, es una sustancia muy abundante en los seres vivos.
Hidrógeno y oxígeno
Sodio y potasio
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
6. Se halla en las rocas calizas y abunda en los caparazones, conchas y esqueletos de los seres vivos:
Cloro
Calcio
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
7. Es un elemento esencial de muchos compuestos orgánicos como las proteínas:
Nitrógeno
Sales precipitadas
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