How many biological safety levels are there?

A. 5
B. 2
C. 4
D. 8


Answer: C. 4

Biology & Microbiology

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The mechanism by which genes are transferred into bacteria via viruses is called

A. ellipsis. B. replica plating. C. transformation. D. transduction. E. conjugation.

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The system of fungal filaments that penetrates and grows through the substrate is called a(n)  

A.  exoskeleton. B.  hyphal compartment. C.  mushroom. D.  mycelium. E.  sporangium.

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Describe the four traits that all muscle types share

What will be an ideal response?

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Fertilization results in the formation of a(n) ______________.

A. ovum. B. zygote. C. gamete. D. DNA helix.

Biology & Microbiology