
6NA PROTEÍNAS 2021
Authored by Macarena Uría
Chemistry
University
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24 questions
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1.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Las proteinas son macromoléculas biológicas constituidas basicamente por:
C, H, O, P.
C, H, O, N.
C, H, O, Fe
C, H, O, Na
2.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Los -L-aminoácidos se caracterizan por:
la disposición del grupo carboxilo (-COOH) a la izquierda del carbono alfa
la disposición del grupo amino (-NH2) a la derecha del carbono alfa .
la disposición del grupo amino (-NH2) a la izquierda del carbono alfa .
3.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
El comportamiento anfótero de los aminoácidos se refiere a que:
El pH que exista en una disolución acuosa determina su ionización.
El pH que exista en una disolución acuosa determina su actividad óptica.
El pH impide que se solubilicen en una disolución acuosa.
4.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Un ejemplo de polipéptido es la unión de:
Ala - Glu - Tyr - Met - Pro
Cys - Pro - His - Ala - Ile - Phe - Gly
ninguna respuesta es correcta.
5.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Cuando una proteina se desnaturaliza, ¿quedan libres sus aminoácidos?
Sí
No
A veces
6.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
La estructura terciaria de las proteínas se mantiene por:
Puentes S-S
Fuerzas de Van der Waals
Puentes de Hidrógeno.
Fuerzas electrostáticas
7.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Los aminoácidos que no pueden ser sintetizados por el organismo, se denominan..
Primarios
Esenciales
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