Blog

Which bacterial structure provides the most resistance to UV radiation?

Which of the following is the primary dye/stain used in Acid-fast staining?

True or False: As optical density increases, so does the number of bacterial cells in a culture.

When calculating optical density (OD) using a Mantissa log table for a single digit % Transmittance, what will the value of the character be?

True or False: When doing a motility test, it is important to use a sterilized/flamed inoculating loop.

Which of the following is the primary objective of the Most Probable Number (MPN) test in the water examination experiment?

Find the component form of the indicated vector.Let u = , v = . Find -7u + 8v.

Solve the right triangle. Give angles in degrees and minutes. Find all unknowns. (6 pts)A = 20° 28′, c = 272 ft Round side lengths to one decimal place.B = C = b = c =

Find the specified quantities and graph. (16 pts)y = 2 – 3 sin a. Amplitude = b. Period = c. Subinterval Length = d. Endpoints of the phase shift (inequality) :e. Fill in the table of values with the 5 key x-values. You may use all 3 columns or 2, as you feel fit. ​ ​ ​ ​ ​ ​ f. Graph and label both axes. The units on the x-axis MUST be labeled. 1.

Find ALL missing parts of the triangle. (6 pts)Round to the nearest tenths place when needed.