Nitrogen fixation converts _____ to _____
a. nitrogen gas; ammonia c. ammonia; nitrates
b. nitrates; nitrites d. nitrites; nitrogen oxides
A
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Propose a growth setup that an industrial microbiologist would create to obtain large quantities of a bacteriocidal product of secondary metabolism
Be certain to explain how temperature and dissolved oxygen parameters would be selected as well as how stationary growth phase would be maintained. What will be an ideal response?
In humans, body size, muscle mass, and patterns of fat distribution are types of ____ sex characteristics
a. primary b. secondary c. tertiary d. initial e. mutable
Which of the following is a density-dependent population-controlling factor?
A) tsunami B) influenza outbreak C) volcanic eruption D) earthquake
During DNA replication, a(n) ________ added to a DNA template serves as the beginning site of nucleotide addition
A) initiation codon B) 5' OH end of sugar group C) 3' OH end of sugar group D) primer E) poly A tail