An iceberg near the Arctic Circle represents which unusual property of water?

A) Its high specific heat
B) Its higher density as a liquid than as a solid
C) Its heat of vaporization
D) Its effectiveness as a solvent


B) Its higher density as a liquid than as a solid

Biology & Microbiology

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Which of the following evidence most strongly supports the common origin of all life on Earth? All organisms _____

A) require energy B) use essentially the same genetic code C) reproduce D) show heritable variation E) evolve

Biology & Microbiology

Treatment of ALL pathogenic E. coli infections involves supportive therapy and, in some cases, may also include antimicrobial drugs

Indicate whether the statement is true or false.

Biology & Microbiology

Blood pressure is normally measured in the ____

a. aorta b. carotid artery c. superior vena cava d. brachial artery e. cephalic vein

Biology & Microbiology

Gram ________ bacteria stain purple and have a very simple cell wall, only consisting of peptidylglycan:

A. Positive B. Negative

Biology & Microbiology