PRIMER EXAMEN ORDINARIO CEPRU - UNSAAC 1
Quiz
•
Science
•
University
•
Hard
ISAIAS CJUNO TURPO
Used 4+ times
FREE Resource
12 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Los azúcares que constituyen los ácidos nucleicos son:
Ribosa – glucosa
Ribosa – desoxirribosa
Glucosa – sacarosa
Fructosa – sacarosa
Desoxirribosa – glucosa
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Los lípidos sin ácidos grasos que presentan una estructura rígida de cuatro anillos fusionados de carbono se llaman:
Colesterol
Ceras
Gangliósidos
Glicerinas
Ácido linoleico
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Si el contenido de Guanina es de 30% en una molécula de ADN, entonces el contenido de Timina será de:
30%
40%
60%
50%
20%
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
En los organismos eucarióticos, la ARN polimerasa II cataliza la síntesis de:
ARNr 45 S
ARNr 28 S
ARNm
ARNt
ARNr 5 S
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
El glucocálix es una cubierta celular que se observa en células animales, formado por:
Fosfolópidos y colesterol
Nucleoproteínas y pectinas
Glucoproteínas y glucolípidos
Hemicelulosa y celulosa
Esteroles y ergosterol
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Los lípidos que constituyen las membranas celulares son:
Prostaglandinas y terpenos
Glicerofosfolipidos y esfingofosfolipidos
Glicerofosfolipidos y céridos
Glicerofosfolipidos y prostaglandinas
Esfingofosfolipidos y céridos
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
El modelo de la doble hélice de la molécula del ADN, corresponde a la forma:
B y dextrógira
B y levógira
Z y dextrógira
A y levógira
C y levógira
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