If the volume of growth medium trapped under the double-lined box shown in the magnification of the Petroff-Hausser chamber is 5 × 10-5mls, the density of cells in the culture is ________.
A) approximately 2 × 105
B) approximately 2 × 106
C) approximately 2 × 1010
D) approximately 2 × 1025
Correct Answer:
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Q50: _ concentrates low numbers of bacteria before
Q51: A Petroff-Hausser chamber _.
A) uses either the
Q52: Spectrophotometry _.
A) uses either the spread plate
Q53: Which of the following methods of measuring
Q54: Which of the following methods of measuring
Q56: Percent transmittance is equal to _.
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