A sample of milk is tested for its bacterial content in a plate count assay. A one-milliliter sample of the milk is diluted in a 1:10 dilution series. One milliliter of the third dilution tube is plated in a pour plate. After incubation, the plate has 54 colonies, indicating that the original milk sample contained
A) 54 cells per milliliter.
B) 540 cells per milliliter.
C) 5,400 cells per milliliter.
D) 54,000 cells per milliliter.
E) 540,000 cells per milliliter.
D
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The ovary is most often located in the _____
A) stamen B) carpel C) petals D) sepals E) receptacle
Describe how population size of lobsters affects the extent of kelp forests on the North Atlantic coast of North America
What will be an ideal response?
Insulin does not enter a target cell but instead binds to a specific membrane receptor on the external surface of the membrane, thereby activating the enzyme adenylyl cyclase on the inner membrane surface:
What will be an ideal response?