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The primary function of the plasma membrane is to protect the cell from its surroundings. Composed of a phospholipid bilayer with embedded proteins, the plasma membrane is selectively permeable to ions and organic molecules and regulates the movement of substances in and out of cells.
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Human skin color is a good example of polygenic (multiple gene) inheritance. Assume that three "dominant" capital letter genes (A, B and C) control dark pigmentation because more melanin is produced. The "recessive"alleles of these three genes (a, b & c) control light pigmentation because lower amounts of melanin are produced.
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The answer that contributes to Mars's cool temperatures is the third choice - Its thin atmosphere and distance from the Sun.
Mars is relatively distant from the Sun - it is the fourth planet away from the Sun which means that it can be quite cold there given that its atmosphere is quite thin which means that the cold is quite present there.
The is the tundra because <span>The soil in any tundra is all permafrost. Permafrost is soil that has been frozen. Permafrost can form in any place in the world the soil just has to be moist and the conditions must be cold.</span>
Based on active surveillance in 10 Food Net sites, the annual incidence of laboratory-confirmed listeriosis in the United States is approximately <u>0.24 cases per 100,000 people. </u>0.2 cases per 100,000 people is the U.S. Healthy People 2020external icon target for listeriosis.
- The infection known as listeriosis is brought on by Listeria monocytogenes. Eating foods contaminated with the bacteria causes infection in humans.
- Listeria can infect the bloodstream, spinal cord membranes, brain, and many other areas of the body.
- According to the Centers for Disease Control and Prevention, over 1,600 Americans contract listeriosis year, and approximately 260 of them pass away.
- A total of 1,500 of the roughly 1,600 people who contract the disease each year will be hospitalized, according to the 94% hospitalization rate.
learn more about listeriosis here:
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