What is the purpose of the alcohol treatment in the Gram staining technique? A- To remove the basic dye from the cytoplasm of Gram-negative bacter...
What is the purpose of the alcohol treatment in the Gram staining technique?
A- To remove the basic dye from the cytoplasm of Gram-negative bacteria.
B- To remove the basic dye from the cytoplasm of Gram-positive bacteria.
C- To remove the crystal violet from the cytoplasm of all bacteria.
a) Only A is correct.
b) Only B is correct.
c) A and C are correct.
d) B and C are correct.
A- To remove the basic dye from the cytoplasm of Gram-negative bacteria.
B- To remove the basic dye from the cytoplasm of Gram-positive bacteria.
C- To remove the crystal violet from the cytoplasm of all bacteria.
a) Only A is correct.
b) Only B is correct.
c) A and C are correct.
d) B and C are correct.
💡 1 Resposta
Ed 
O objetivo do tratamento com álcool na técnica de coloração de Gram é remover o corante cristal violeta do citoplasma das bactérias Gram-negativas, tornando-as incolores, enquanto as bactérias Gram-positivas retêm o corante e permanecem roxas. Portanto, a alternativa correta é a letra A: "A- Remover o corante básico do citoplasma das bactérias Gram-negativas".
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