Where would you predict an obligate anaerobe would grow in a tube of fluid thioglycollate medium?

At or very near the surface of the broth
A little below the surface of the broth
Throughout the entire tube
At the bottom of the tube


at the bottom of the tube

Biology & Microbiology

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Henrietta Lack died of

a. cervical cancer. b. breast cancer. c. polio. d. malaria. e. old age

Biology & Microbiology

The formation of sieve plates between phloem sieve-tube elements allows

A) mesophyll cells to connect with xylem cells. B) adjacent cells to connect via membrane-lined pores. C) each cell to function independently. D) water to transpire from each surface. E) the dead phloem cells to form an empty tube.

Biology & Microbiology

Mitosis does not require that homologous chromosomes align with one another.

a. true b. false

Biology & Microbiology

The oxygen-dependent reactions required for cellular respiration were originally thought to occur in a linear pathway. By using a competitive inhibitor for one enzyme in the pathway, investigators discovered that these reactions occur in a cycle

What compound served as the inhibitor? (a) malonate (b) malate (c) fumarate (d) succinate

Biology & Microbiology