This is a specific staining method for spirochetes
A. Giemsa?s stain
B. Ziehl-neilsen stain
C. Acid-fast stain
D. Gram?s stain
Answer: A. Giemsa?s stain
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The insect symbiont Wolbachia can be used to suppress disease transmission by mosquitoes because
A) Wolbachia supplies essential nutrients to the mosquito Culex quinquefasciatus. B) only Wolbachia-infected mosquitoes can transmit viral diseases such as dengue fever. C) Wolbachia infections can spread rapidly through a mosquito population, killing all the mosquitoes. D) Wolbachia-infected male mosquitoes sterilize uninfected female mosquitoes.
What are aquaporins
What will be an ideal response?
Which of the following statements is FALSE?
A) the greater the evolutionary distance between two organisms, the greater the difference in the amino acid sequences of their proteins B) Genes that encode members of a protein fmaily are though to have arisen from a single ancestral gene C) Proteins ar ebiochemical adaptations that are subject to evolutionary change D) Small changed in amino acid sequence may have dramatic effect son protein shape E) Proteins with identical sequences of amino acids must also have identical folding patters
Histological samples prepared with the ________ stain may reveal the presence of abnormal cells
A) acid-fast B) Gram C) simple safranin D) methylene blue E) hematoxylin and eosin (HE)