The oxygen utilized in cellular respiration finally shows up as

CO2.
ATP.
new O2.
H2O.
part of a sugar.


H2O.

Biology & Microbiology

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The phase of the bacterial growth curve that shows the maximum rate of cell division is the ________.

A. stationary phase B. prophase C. lag phase D. exponential phase E. death phase

Biology & Microbiology

The genes encoding rRNA are examples of ________ of genes.

Fill in the blank(s) with the appropriate word(s).

Biology & Microbiology

Which of the following pairs is mismatched?

A) ionizing radiation — hydroxyl radicals B) ozone — takes electrons from substances C) plasma sterilization — free radicals D) supercritical fluids — CO2 E) ultraviolet radiation — desiccation

Biology & Microbiology

An apoenzyme

A. is the protein part of a holoenzyme. B. is also called a coenzyme. C. is often an inorganic metal ion. D. is part of a simple enzyme. E. is an RNA molecule.

Biology & Microbiology