During the lag phase of microbial growth, the cells are metabolically inactive.
Answer the following statement true (T) or false (F)
False
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The main route of transmission of the poliovirus is ________.
A. body contact B. respiratory secretions C. food and water D. fomites
Cation exchange between soil particles and root hairs is the process in which:a
protons are exchanged for positively charged mineral ions. b. electrons are exchanged for positively charged mineral ions. c. protons are exchanged for negatively charged mineral ions. d. electrons are exchanged for negatively charged mineral ions. e. water is exchanged for positively charged mineral ions.
If you open a can of chicken noodle soup and immediately examine it microscopically, you will find no microorganisms. If you let the open can sit on the shelf for a few weeks and then examine it, you will find many microorganisms
The origin of these microorganisms is most likely A) spontaneous generation. B) airborne microorganisms. C) endosymbiotic evolution. D) prebiotic evolution. E) improper sterilization of the soup prior to canning.
Of the nearly 150 species in the genus Streptomyces, only S. sudanensis and S. somaliensis are known to be pathogenic in humans.
Answer the following statement true (T) or false (F)