The most likely reason that glucose dissolves in
water is that it is
a. an ionic compound.
b. a polysaccharide.
c. polar and forms many hydrogen bonds with the
water molecules.
d. a very unstable molecule.
e. highly nonpolar.
Answer: c
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The primary habitat for Vibrio spp. is:
a. freshwater. b. the upper respiratory tract of various mammals. c. brackish or marine water. d. the soil and water environment.
Scientific facts rely on
1.opinion. 2.prediction. 3.verifiable information. 4.critical thinking.
Which one of the following experiments would be considered acceptable in our society?
A) Determining the effects of cocaine use on babies born to cocaine-using mothers. B) Determining the response of a patient's "incurable" cancer to a newly developed cancer drug. C) Testing the effects of radiation exposure on volunteers. D) Testing the effectiveness of a new AIDS vaccine using deliberate exposure of human volunteers to HIV. E) Testing the effectiveness of a newly developed antibiotic using deliberate exposure of humans to antibiotic-resistant bacteria.
Among prokaryotes, there are some that can live in every environment on earth.
a. true b. false