Which of the following procedures uses a photocell to measure absorban – McqOptions

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1.	Which of the following procedures uses a photocell to measure absorbance of a culture to regulate the flow of culture media?
A.	Hemostat
B.	Coulter Counter
C.	Trubidostat
D.	Petroff-Hausser chamber
Answer» D. Petroff-Hausser chamber

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