Select the best response to the question. ?
?How are viruses classified?
A) whether they contain RNA or DNA
B)based upon the symptom location in the body
C) gram-positive versus gram-negative
D) aerobic versus anaerobic
A
Biology & Microbiology
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Though the known diversity of acetotrophic methanogens is low, they are ecologically significant in nature
Indicate whether the statement is true or false.
Biology & Microbiology
What is an essential amino acid or fatty acid?
What will be an ideal response?
Biology & Microbiology
The nucleus in a eukaryotic cell is surrounded by
a) chromatin. b) a nuclear envelope. c) histone proteins. d) nucleoli.
Biology & Microbiology
The science that deals with when diseases occur and how they are transmitted is called
A) ecology. B) epidemiology. C) communicable disease. D) morbidity and mortality. E) public health.
Biology & Microbiology