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
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Henrietta Lack died of
a. cervical cancer. b. breast cancer. c. polio. d. malaria. e. old age
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.
Mitosis does not require that homologous chromosomes align with one another.
a. true b. false
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