While the vast majority of microorganisms are not harmful to humans those that are are referred to as
A) Bacteria
B) Symbionts
C) Pathogens
D) Fungi
C) Pathogens
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Oncogenes are
a. mutant forms of cell cycle genes b. normal forms of cell cycle genes c. needed for normal cells to metastasize d. required for normal contact inhibition of cells e. not used during cell division
Algae have no vascular tissue
Indicate whether the statement is true or false
The bacterium that causes botulism disease is harmless until it:
a. is infected by lytic bacteria. b. is infected by certain retroviruses. c. contains a certain prophage DNA. d. is irradiated by UV radiation. e. is infected by prions
Bacteria reproductive strategies include all of the following EXCEPT ________.
A. budding B. binary fission C. formation of multinucleoid filaments that break apart into uninucleate spores D. multiple fission E. fusion of two bacterial cells that then split into four uninucleate cells