The method in which a measured volume of bacterial suspension is placed within a defined area on a microscope slide is called the
A. direct microscope count.
B. pour plate method.
C. spread plate method.
D. most probable number method
Ans: A. direct microscope count.
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ATP is composed of deoxyribose, adenine, and three phosphate groups.
Answer the following statement true (T) or false (F)
Deep-diving animals accomplish their dives through
all of the following means EXCEPT by a. redirecting blood flow. b. conserving energy by gliding rather than swimming. c. relying primarily on anaerobic respiration during deep dives. d. binding oxygen to myoglobin and hemoglobin. e. assuring that the brain has an uninterrupted supply of ATP.
All of the following are correct about salmonelloses except
What will be an ideal response?
Which of the following statements about the pathogen-specific response is true?
A. There is never a gene-for-gene response. B. If the R gene product is not triggered, no disease will occur. C. Avr and R gene pairs have been cloned in species pathogenized by microbes, fungi, and insects. D. The pathways involved always trigger the hypersensitive response. E. The pathogen is recognized by its avr gene product.