Using an electron microscope, you observe bacterial cells from an environmental sample. You view a region of the bacterial cells that contains the chromosome. You identify and label the region as the
A. cell wall.
B. cell membrane.
C. nucleoid.
D. ribosome.
E. nucleus.
C. nucleoid.
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CO2 + 6 H2O ? C6H12O6 + 6 O2
Which of the following is FALSE?
a. Water is a reactant. b. C6H12O6 is a product. c. Molecular oxygen is a product. d. CO2 is a reactant. e. Molecular carbon is a reactant.
The proportion of the total air pressure that is exerted by an individual gas in a gas mixture is referred to as the
A. partial pressure of that gas. B. gas-specific gravity of that gas. C. total pressure of that gas. D. incomplete pressure of that gas. E. barometry of that gas.
The direct cause of the heat generated by a wound or local infection is ________.
Fill in the blank(s) with the appropriate word(s).
What did Stephen Carter and his team from University of Madison-Wisconsin study?
a. salt water intrusion into estuaries b. tipping points for endangered food webs c. acidification of ocean ecosystems d. effects of dams on river flow e. desertification of dune ecosystems