Aerobic secondary treatment is usually best for ________ wastewater

A) industrial
B) agricultural
C) residential
D) chemical


Answer: C

Biology & Microbiology

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During DNA replication, all of the following proteins are important for separating the DNA strands and allowing movement of the replication fork EXCEPT

A. DNA polymerase. B. helicase. C. topoisomerase. D. single-stranded binding proteins. E. both helicase and topoisomerase.

Biology & Microbiology

Humans have ___ symmetry and are ___

a. radial--protostomes b. radial-deuterostomes c. bilateral--deuterostomes d. bilateral-protostomes e. biradial-deuterostomes

Biology & Microbiology

Which type of receptor is a glycine-gated Cl- channel?

A. Adrenergic B. Ionotropic C. Muscarinic D. Nicotinic E. Metabotropic

Biology & Microbiology

It is possible to make a form of nitrogen that is useable by plants; however, the major drawback to this process is

A. cost of converting nitrogen to a useable form. B. getting enough nitrogen. C. it is difficult to contain the end product. D. time involved. E. temperatures must be extremely high.

Biology & Microbiology