Answers
Answer: This method of bacterial identification is Phenotypic because biochemical reaction and simple staining technique is taken in consideration
Explanation;
THEORY
For bacterial identification basically two methods are used
1 Phenotypic 2 Genetic
Phenotypic methods are the most widespread due to their relatively lower costs for many laboratories. It should be recognized, however, that expressions of the microbial phenotype, that is, cell size and shape, sporulation, cellular composition; antigenicity, biochemical activity, and sensitivity to antimicrobial agents and antibiotics
Genotypic methods utilize one of the two alternatives: hybridization or sequencing (most commonly of the gene coding for 16S rRNA (ribosomal ribonucleic acid)). With hybridization, DNA–DNA homology (or how well two strands of DNA from different bacteria bind (hybridize) together) is used to determine the relatedness of two microorganisms.
Explanation for other options
so antibiotic resistance method is itself a type of phenotypic method but here no antibiotic test is there and no genetic approach is used so 2, 3 option are wrong
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