A commensalism bacterium

A) does not receive any benefit from its host
B) is beneficial to its host
C) may also be an opportunistic pathogen
D) isn't capable of causing disease in its host
E) always causes disease in its host


Ans: C) may also be an opportunistic pathogen

Biology & Microbiology

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The equation that describes the relationship between phenotypic variance, genetic variance and environmental variance is

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Water evaporation from plant parts is called _____

a. translocation c. transpiration b. expiration d. tension

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What is hypertonic

What will be an ideal response?

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At the end of the "photo" reactions, where electrons are being passes from photosystem to electron transport chain to photosystem, where do the electrons finally arrive?

a) ATP b) NADPH c) The electrons are transferred to the synthesis reactions d) water

Biology & Microbiology