Which of the five options below best describe biofilms?
Select one:
,a are a polysacc...
Which of the five options below best describe biofilms?
Select one:
,a are a polysaccharide encased community of microorganisms.
b. may enhance bioremediation efforts.
O c. are a polysaccharide encased community of microorganisms, may enhance bioremediation efforts, and
may protect organisms against harmful chemicals
O d. may protect organisms against harmful chemicals.
O e. are a haphazard mixture of bacteria.
Answers: 2
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You have a solution that contains phospholipid vesicles in a test tube. these vesicles have phospholipid bilayers, but do not contain any membrane transporters. you add a number of different molecules to the solution, and wait a period of time for them to equilibrate. if you could measure the concentration of each molecule, for which of the following would you expect to measure equal concentrations inside and outside of the vesicles? assume for this question that the overall osmolarity inside and outside the vesicles is the same (that is, there is no appreciable diffusion of water across the membrane). (select two answers) an amino acid with a hydrophobic side-chain a small non-polar molecule a negatively charged ion a small polar molecule a small lipid hormone
Answers: 2
Biology, 22.06.2019 14:00
The most famous fossil called archaeopteryx is which of the following? a dinosaur a fern a fish a bird
Answers: 2
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