
Ácidos Nucleicos - CPTAF
Authored by Sonia Monteiro
Science
9th - 12th Grade
Used 1+ times

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10 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 10 pts
Na molécula de DNA, as bases nitrogenadas podem estar emparelhadas da seguinte forma
G - G
G - A
G - C
T - C
2.
MULTIPLE CHOICE QUESTION
1 min • 10 pts
A organização molecular em dupla cadeia helicoidal é típica
do DNA
do RNA
do DNA e do RNA
de nenhum dos ácidos nucleicos
3.
MULTIPLE CHOICE QUESTION
1 min • 10 pts
Da hidrólise completa de cadeias ribonucleotídicas, podem resultar, para além do grupo fosfato, ___ e bases, como ___
desoxirribose ... o uracilo
ribose ... a timina
desoxirribose ... a adenina
ribose ... o uracilo
4.
MULTIPLE CHOICE QUESTION
1 min • 10 pts
Numa amostra de DNA com uma percentagem de timina de 20%, a percentagem de guanina será de ...
10%
20%
30%
40%
5.
MULTIPLE CHOICE QUESTION
1 min • 10 pts
O DNA está localizado ___ das células procarióticas
no citoplasma
no núcleo
nas mitocôndrias
nos ribossomas
6.
MULTIPLE CHOICE QUESTION
1 min • 10 pts
Se uma cadeia de DNA for 3´ AAT GGC TTA 5` a cadeia complementar será
3´ TTA CCG AAT 5´
5´ TTA CCG AAT 3´
3´ UUA CCG UUT 5´
5´ UUA CCG UUT 3´
7.
MULTIPLE CHOICE QUESTION
30 sec • 10 pts
Considera a seguinte sequência nucleotídica AAC GGC. Podemos afirmar que esta sequência pertence obrigatoriamente ao DNA
Verdadeiro
Falso
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