In the process of aerobic respiration _____ is required

1.iron
2.sulfate
3.nitrogen
4.oxygen
5.zinc


4

Biology & Microbiology

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Human insulin, which does not provoke allergic reac-tions, has been produced by transgenic E. coli since ____

a. 1952 b. 1962 c. 1972 d. 1982 e. 1992

Biology & Microbiology

Fossil fuels develop as a result of complete decomposition of organic matter in swamps and marshes

Indicate whether the statement is true or false

Biology & Microbiology

To prevent the overgrowth of cyanobacteria and algae in water reservoirs, the water is often treated with

A. antibiotics. B. lactic acid. C. copper sulfate. D. propionic acid. E. iodine.

Biology & Microbiology

Breast feeding is an example of

A) Natural active immunity B) Artificial passive immunity C) Artificial active immunity D) Natural passive immunity

Biology & Microbiology