T5 Àcids nucleics

Quiz
•
Biology
•
11th Grade
•
Medium
Joan Baldillou
Used 52+ times
FREE Resource
30 questions
Show all answers
1.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Les bases nitrogenades púriques són:
Adenina i Uracil
Guanina, Uracil
Timina, Citosina
Adenina, Guanina
2.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
La pentosa que forma part de l'ARN és:
La desoxiribosa
La fructosa
La ribosa
La glucosa
3.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
En el DNA la base complementària de la Timina és:
Guanina
Uracil
Citosina
Cap de les anteriors
4.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Quin és el percentatge de les altres bases nitrogenades d'un DNA bicatenari si sabem que conté un 23% d'Adenina:
G= 23%, T=27% i C= 27%
G=23%, U= 27% i C=27%
G=27%, T=23% i C=27%
G=27%, U=23% i C=27%
5.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Els nucleòsids es formen per la unió d'un apentosa i una base nitrogenada mitjançant un enllaç:
N-glicosídic
O-glicosídic
Fosfoéster
D'hidrogen
6.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Els nucleòtids es formen per la unió d'un nucleòsid i:
Un àcid sulfúric
Un àcid fosfòric
Una base nitrogenada
Una pentosa
7.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
El DNA es diferencia del RNA en el fet que en el DNA no hi ha:
Timina
Citosina
Guanina
Uracil
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