What is used to help the primary stain penetrate the cell in both the acid-fast stain and endospore stain?
A) Alcohol
B) Heat
C) Water
A) Alcohol
Biology & Microbiology
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Hfr cells are bacterial cells that ____
a. perform meiosis b. have the F factor integrated into their chromosome c. maintain the F factor in a plasmid d. have a low frequency of recombination e. have received DNA from a bacteriophage
Biology & Microbiology
The large number of alveoli in lungs improve gas exchange by _____.
A. increasing the concentration difference B. changing the diffusion constant C. decreasing the distance for diffusion D. increasing the surface area for diffusion
Biology & Microbiology
Describe how quantitative traits can be explained in Mendelian terms
What will be an ideal response?
Biology & Microbiology
The virulence factor in Vibrio parahaemolyticus is the thermostable hemolysin (Kanagawa hemolysin).
a. true b. false
Biology & Microbiology