Although Staphylococcus aureus demonstrates optimal growth in an environment of 1% salt, it is able to tolerate up to 13% salt. S. aureus would be described as:
halophilic
osmophilic
halotolerant
hypertoniphilic
halotolerant
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________ are the main primary producers in freshwater environments
A) Phototrophic microorganisms B) Heterotrophic microorganisms C) Chemolithotrophic microorganisms D) Viral microorganisms
Assume a thylakoid is somehow punctured so that the interior of the thylakoid is no longer separated from the stroma. This damage will most directly affect the _____
A) splitting of water B) flow of electrons from photosystem II to photosystem I C) synthesis of ATP D) reduction of NADP+
What kind of plants are epiphytes?
a. Plants that are not parasites but that do grow on other plants instead of the soil. b. Plants that trap animals and digest them. c. Plants that deal with nutrient-deficient soil by growing a large, netlike mesh of roots through several layers of the soil. d. Parasitic plants that use haustoria roots to obtain nutrients and food directly from other plants.
Transgenic bacteria are bacteria
A) found in the DNA of other organisms. B) that have hybridized with other species of bacteria. C) that produce genes used in recombinant DNA technology. D) that have a sequence of DNA from another organism inserted into them. E) that only have trans-DNA.