What is/are the most common method(s) used to identify viruses?
a) Serological methods
b) Observation of cytopathic effects
c) Polymerase chain reaction (PCR)
d) Morphology
Ans: a) Serological methods
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Microbes are considered an abiotic factor within an ecosystem
Indicate whether the statement is true or false
When we look at infectious disease statistics for the global human population as a whole, we find the number one cause of death is
A) malaria. B) parasitic diseases such as worms. C) respiratory infections. D) heart disease.
The ________ are the largest known group of archaea
A) thermophiles B) halophiles C) cyanobacteria D) methanogens E) hyperthermophiles
Which of the following statements about bright field microscopy are true?
A) Bright field microscopy is great for seeing living samples. B) Dark field, phase contract, and differential interference contract microscopy are better for observing dead samples. C) Bright field microscopy is able to see specimens without natural coloration. D) Bright field microscopy is the simplest and most common form of microscopy. E) Bright field microscopy has the sample appear as a brighter contrasting image on a dark background.