During which phase in water sewage treatment is natural bioremediation occurring?

A) Primary phase
B) Secondary phase
C) Tertiary phase
D) Final phase


Answer: B) Secondary phase

Biology & Microbiology

You might also like to view...

Which one of the following is a major difference between integrins and cadherins?

A. Integrins are integral membrane proteins, whereas cadherins are not. B. Cadherins are found in cellular junctions, whereas integrins are not. C. Integrins allow cells to adhere to extracellular matrix, whereas cadherins do not. D. Cadherins associate with intermediate filaments, whereas integrins do not.

Biology & Microbiology

The nonprotein component of an enzyme that is firmly attached to the protein is called a(n)

A. holoenzyme. B. coenzyme. C. prosthetic group. D. apoenzyme.

Biology & Microbiology

Which is easier to establish in a pure-breeding population, a dominant or a recessive gene? What will be an ideal response?

Biology & Microbiology

This form of carbon results from cell respiration.

A) Producers B) Carbon dioxide C) Transpiration D) limestone

Biology & Microbiology