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aniked [119]
3 years ago
12

What are two roles of the membrane proteins?

Biology
1 answer:
jek_recluse [69]3 years ago
7 0
<span>Membrane receptor proteins relay signals between the cell's internal and external environments.
<span>
Transport proteins move molecules and ions across the membrane.</span></span>
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Plants have many characteristics.
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3 years ago
What are brownfields​
Daniel [21]

The lands which are lef unuse after  it is affected by environmental contamination.

<u>Explanation:</u>

  • Brownfields are abandoned or unused fields where reuse is hindered by real or observed environmental contamination. The places may include localities destroyed by hazardous materials, petroleum or mine-scarred land.
  • Brownfields are found in a city or town's manufacturing section, on areas with discontinued factories or industrial buildings, or other earlier contaminating operations like steel millhouses, refineries or landfills. It is mainly found in urban cities where there is normally a stronger potential to redevelop these localities.
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3 0
3 years ago
A change that seems to break a molecule apart is called a
choli [55]

The answer is radioisotopes as this has the ability of breaking molecules apart and aside that, it has the ability of destroying cells and as well as having to damage living tissues in the body because these are isotopes that are unstable.

4 0
3 years ago
_____, a therapeutic medication that clinicians use in substance dependence treatment, appears to have value in treating people
Leona [35]

The correct answer is Naltrexone.

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Naltrexone is a drug that cures this disease, this drug blocks the effect of endogenous opitates that may be released during stealing. In layman language one can say that it blocks that part of he brain which feels pleasure with some of the addictive behaviors. It was found that after eight weeks of treatment by this medicine, the urge to steal things was reduced.





5 0
3 years ago
In prehistoric times volcanic eruptions caused mass extinctions of many species of marine organisms attached to the ocean floor.
Paraphin [41]
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Low pH and high temperatures kill marine life.
3 0
4 years ago
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