Viruses are generally measured in
A. nanometers.
B. millimeters.
C. micrometers.
D. centimeters.
E. decimeters.
Answer: A
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The disinfectant screening method that is known as the ________ test, which is used to measure the potency of a disinfectant.
Fill in the blank(s) with the appropriate word(s).
In the disk diffusion method of antimicrobial susceptibility testing, what is the standard medium used for testing most bacterial organisms?
a. Mueller-Hinton broth b. Mueller-Hinton agar c. Brain-heart infusion agar d. Brucella broth with 5% lysed horse blood
Which of the following are true statements about gibberellins? Check all that apply.
_____ They can restore normal growth and development in certain dwarf mutants. _____ They inhibit amylase and other hydrolytic enzymes. _____ They are produced in the apical regions of shoots and roots. _____ They promote internode elongation. _____ They hasten seed germination.
What type of microscope uses magnetic lenses to bend beams of electrons?
a. compound microscope b. confocal microscope c. scanning electron microscope d. transmission electron microscope e. light microscope