The use of salt and sugar in preserving various types of foods is an application of which of the following concepts?
A) nitrogen fixation
B) osmotic pressure
C) pH
D) hydrostatic pressure
E) quorum sensing
B
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When will E. coli turn on their genes to harvest glucose from lactose? a. When there is starch in the gut
b. When there is lactose in the gut. c. When there is fat in the gut. d. When there is glucose in the gut. e. When there is protein in the gut.
Which molecule ultimately gets translated into a protein?
a. DNA b. rRNA c. mRNA d. tRNA e. RNA polymerase
The ________ is an organism's role in its community
Fill in the blank(s) with correct word
The term facultative refers to
A. the ability to exist in a wide range of conditions. B. using light for energy production. C. using chemicals for energy production. D. existing in a very narrow niche. E. using oxygen for metabolism.