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Would Columbia CNA agar still be selective if the 5% sheep’s blood was not added? 

The movement toward secession in the winter of 1860–1861 proceeded the most rapidly in the

The vesicles identified in the image contain _______________.

The interaction of [component] and [reagent] causes the blue-black color seen in starch plates?  The first blank is a part of the medium and the second is the reagent used.  

Becton-Dickson, a company that prepares media, reduced the concentration of nalidixic acid in their Columbia CNA media from 15 mg/mL to 10 mg/mL in order to increase the recovery of the desired organisms from clinical samples.  This change does not decrease inhibition of the undesirables.  Why would this change be beneficial for the recovery of the desired organisms?

The spread plate technique is used to create a even _____  of growth over the plate.

Structure C is the plasma membrane of the muscle cell, also called the

What two functions do the dyes eosin Y and methylene blue perform in EMB agar?

What nutrient is added to Levine EMB medium that is used to differentiate gram negative organisms?

When a muscle is relaxed, active sites on thin filaments are covered up, and contraction is inhibited (see image). Which of the following substances is required to remove this inhibition?