Ammonia is released from dead plants by

(A) denitrifying bacteria.

(B) nitrogen-fixing bacteria.

(C) bacteria of decay.

(D) nitrifying bacteria.

(E) none of the above.

Lisa is interested in studying the chemical processes in living organisms. In which field of biology should she pursue her studies? A. Biophysics B. Biochemistry C. Biometry

A red blood cell was placed in a concentrated salt water solution. It would be expected to

What are Systematics?

Client known to have alcohol dependence is admitted to the emergency department with a temperature of 99° f (37.2° c), a pulse of 110 beats/minute, respirations of 26 breaths/minute, and blood pressure of 150/98 mm hg. the blood alcohol level is 0.

The overgrowth of algae on the surface of this water is caused by A) a decrease in the oxygen levels in the water B) not enough primary consumers in the ecosystem C) an increase in nitrogen levels in the water from fertilizer runoff D) an excess of

What happens to the amount of water in the high plains aquifer over time

What is the function of horizontal cells in the eye? launchpad?

Many people find that they become ill with a cold after traveling by airplane. The air circulation systems of commercial aircraft use HEPA filters that should remove any infectious agents that pass through them.

The kingdom, Protista, includes A) most viral agents. B) prokaryotic organisms. C) yeasts and bread molds. Eliminate D) most single-celled eukaryotes.

What are special properties that are used to identify minerals? Check all that apply. - fluorescent - magnetism - hardness - reactivity - use