The pH indicator(s) in the Mannitol Salt Agar is (are)

A. Bromocresol purple
B. Phenol red
C. Neutral red
D. Eosin Y & Methylene blue
E. Methyl red


Ans: B. Phenol red

Biology & Microbiology

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Which of the following statements about probes used in hybridization methods are true?

A. The probe could be a gene from another species. B. They are usually radiolabelled or conjugated with a fluorescent tag so they can be visualized. C. They can be synthetic DNA sequences based on known amino acid sequences. D. They can be based on DNA sequence information from a sequence database. E. All of these statements about hybridization probes are true.

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After a forceful exhalation of the maximum volume possible, what volume of air must be inhaled to resume normal breathing?

a. vital capacity b. functional residual capacity c. tidal volume + expiratory reserve volume d. inspiratory reserve volume + tidal volume

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____ are involved in the regulation of gene

expression.

a. Transcription factors b. Translation factors c. Transposable elements d. Metylation e. Phosphorylation

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The only group of fungi to have a flagellated stage

are the a. Chytrids. b. Ascomycetes. c. Basidiomycetes. d. Glomeromycetes e. Zygomycetes.

Biology & Microbiology