The phosphorus cycle is unique from nitrogen and carbon in that it
A) forms the most layers of sediment.
B) is found only in aquatic environments.
C) is restricted to ocean habitats.
D) can be found anywhere.
E) never enters the atmosphere.
E
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Some microorganisms can undergo ________ in which various cell types can become specialized and arise from one parent cell type
A) differentiation B) genetic exchange C) maturation D) mutagensis
A bronchoscopy was performed on a patient who later developed a nosocomial infection as a result of the procedure. The organism recovered from his lung was a nonlactose fermenter that oxidized glucose and maltose, was lysine decarboxylase–positive, and was motile. The organism is most likely which one of the following?
a. Bordetella parapertussis b. Saccharolytic Acinetobacter c. P. luteola d. S. maltophilia
Which of the following tissue types is used as the body's reserve of energy?
a. Loose connective b. Blood c. Cartilage d. Dense irregular e. Adipose
What organisms are responsible for harmful algal blooms?
a. Diatoms b. Coccolithophores c. Dinoflagellates d. Ciliates