Organisms that are used to decontaminate soils ____

a. cannot store pollutants in their tissues
b. cannot release pollutants into the air
c. do not degrade pollutants
d. typically die from the pollutants
e. release pollutants into the air and/or degrade the pollutants


ANSWER: e

Biology & Microbiology

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Comparison of two-dimensional gels from cells in stationary versus active growth phases reveals that one protein (A) has disappeared and a slightly larger protein (B) has appeared in the active cells

Mass spectrophotometry of the two spots indicates that the new larger protein (B) has sequences that match the smaller protein (A). Which of the following statements is not supported by this result? A. Proteins A and B are the same; however protein A has been covalently modified by phosphorylation. B. Proteins A and B are the same; however protein B has been bound by a cofactor. C. Proteins A and B are the same; however protein B has been bound by metal ions. D. Proteins A and B are the same; however protein B has been covalently modified by phosphorylation. E. Proteins A and B are the same; however protein A has been covalently modified by proteolytic cleavage.

Biology & Microbiology

What is the function of gastric inhibitory peptide?

a. reduces salivary secretions in the mouth b. stops contractions of the stomach c. slows peristalsis in the intestine d. prevents bile secretion by the liver

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Another name for brucellosis is ________ fever

A) blackwater B) yellow C) snail D) rabbit E) undulant

Biology & Microbiology