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Indole test (Left: negative; Right: positive) Indole test is used to determine the ability of an organism to split amino acid tryptophan to form the compound indole. It is used as part of the...
Diagnosis of visceral leishmaniasis may require taking a blood sample and/or taking a biopsy from the bone marrow or splenic puncture to show the parasite. Diagnosis of cutaneous leishmaniasis...
Leishmaniasis is a parasitic disease caused by several species of genus Leishmania (protozoa) and transmitted by the bite of sandflies. Sandflies are primarily infected by animal reservoirs, but...
Malaria is one of the most common infectious diseases and one of the leading causes of death. It is caused primarily by four plasmodia: Plasmodium vivax, Plasmodium ovale, Plasmodium malariae, and...
Plasmodium spp possesses a life cycle that shows an alternation of generation accompanied by an alternation of the host. Man represents the intermediate host of the malarial parasite, i.e., the...
The identification of bacteria by serologic tests is based on the presence of specific antigens. Which of the following bacterial components is least likely to contain useful antigens?a. Capsuleb....