Bacteria that benefit from living in or on us while we are unaffected by the relationship are termed:

A) probiotic. B) pathogenic. C) commensal. D) mutualistic.


Answer: C

Biology & Microbiology

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Homologous chromosomes usually have the same arrangement of genes along their length.

a. true b. false

Biology & Microbiology

Media that contains specific growth factors that allow even fastidious organisms to grow is called:

A. Differential B. Selective C. Transport D. Enriched

Biology & Microbiology

In this experiment if the bacterial colonies do not fluoresce under ultraviolet light, what can you determine about the GFP gene?

A) If there is no fluorescence under ultraviolet light the GFP gene is being transcribed B) If there is no fluorescence under ultraviolet light the GFP gene is not being transcribed

Biology & Microbiology

Of the following four species, which one lies closest to modern humans?

A) Homo neanderthalensis B) Homo ergaster C) Homo habilis D) Homo erectus

Biology & Microbiology