The process of producing NH4+ from decaying organic material is called ____

a. nitrification
b. ammonification
c. nitrogen cycling
d. nitrogen fixation
e. nitrogen assimilation


ANSWER: b

Biology & Microbiology

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During transcription, ____

a. double-stranded RNA chains are produced b. the entire DNA molecule is copied to RNA c. primase creates an RNA primer to start the RNA strand d. only one of the two DNA strands acts as a template e. protein is made from RNA

Biology & Microbiology

Chytridiomycetes produce enzymes that digest cellulose, chitin, and similar molecules. These fungi are contributing to the decline of amphibians worldwide through what mechanism?

A. by digesting cellulose in the cell wall of the frog's cells B. by digesting chitin in the cell wall of the frog's cells C. by infecting their lungs D. by killing their eggs in the water E. by digesting keratin in the frog's skin

Biology & Microbiology

In Drosophila, sex determination is carried out by

A) a cascade of alternative splicing. B) the SRY gene. C) histone modification. D) the DMRT1 gene. E) All of these

Biology & Microbiology

Fibrous structures with three "arms" some archaea use for attachment to surfaces are (fimbriae/hami/pili)

What will be an ideal response?

Biology & Microbiology