Which type of membrane protein is characterized by having a unique strand of sugar molecules attached to it? receptor protein cell recognition protein channel protein carrier protein which statement correctly describes why the phospholipids of the cell membrane arrange the way they do in a bilayer? the nonpolar tails are repelled by water, so they position themselves in the middle of the bilayer. the polar heads are attracted to water, so they point outward. the polar heads are attracted to water, so they position themselves in the middle of the bilayer. the nonpolar tails are repelled by water, so they point outward. the polar heads are repelled by water, so they position themselves in the middle of the bilayer. the nonpolar tails are attracted to water, so they point outward. the nonpolar tails are attracted to water, so they position themselves in the middle of the bilayer. the polar heads are repelled by water, so they point outward. determine if the following statement is true or false. if true, choose true. if false, choose the rewording that is true. as cell size increases, the surface area-to-volume ratio increases. true as cell size decreases, the surface area-to-volume ratio increases. as cell size decreases, the volume of the cell increases. as cell size decreases, the surface area-to-volume ratio decreases. which characteristics correctly describe prokaryotic cells? (select all that apply.) there is more then one correct have a nucleus have membrane-bound organelles have no nucleus have no membrane-bound organelles

1.The answer is; cell recognition protein

These types of proteins are categorized as a glycoprotein because they are proteins with a carbohydrate molecule attached to it. These proteins tag the cell and help the immune system to identify them so the cells are recognized and not destroyed.

2.The answer is; The nonpolar tails are repelled by water, so they position themselves in the middle of the bilayer. The polar heads are attracted to water, so they point outward.

Water is a polar molecule hence dissolves charged molecule which it can form hydrogen bonds with. Non-polar/uncharged molecule tend to be ‘water-hating’ hence form clumps when put in water and do not dissolve.  Amphipathic molecules such as phospholipids tend to form the bilipid layer with the polar heads on the outside interacting with water and the non-polar carbon chains sandwiched in between away from water.

3.As cell size increases, the surface area-to-volume ratio increases is FALSE.

As cell size decreases, the surface area-to-volume ratio increases is TRUE

As cell size decreases, the volume of the cell increases is FALSE

As cell size decreases, the volume of the cell decrease is TRUE

As cell size decreases, the surface area-to-volume ratio decreases is FALSE

As cell size decreases, the surface area-to-volume ratio increases is TRUE.

4.The answer is;  have no nucleus

have no membrane-bound organelles

Prokaryotes DNA is not surrounded by a nucleus membrane hence their DNA is not secluded from the cytoplasm as that of the eukaryotes. In addition, they lack membrane-bound organelles because they are primitive organisms. It is also significant to note that the membrane-bound organelles in eukaryotes were once-living prokaryotes organisms.  

a fossil fuel is a fuel formed by natural processes, such as anaerobic decomposition of buried dead organisms, containing energy originating in ancient photosynthesis.[1] the age of the organisms and their resulting fossil fuels is typically millions of years, and sometimes exceeds 650 million years.[2] fossil fuels contain high percentages of carbon and include petroleum, coal, and natural gas.[3] other commonly used derivatives include kerosene and propane. fossil fuels range from volatile materials with low carbon to hydrogen ratios like methane, to liquids like petroleum, to nonvolatile materials composed of almost pure carbon, like anthracite coal. methane can be found in hydrocarbon fields either alone, associated with oil, or in the form of methane clathrates.

the theory that fossil fuels formed from the fossilized remains of dead plants by exposure to heat and pressure in the earth's crust over millions of years was first introduced by andreas libavius "in his 1597 alchemia [alchymia]" and later by mikhail lomonosov "as early as 1757 and certainly by 1763".[4] the first use of the term "fossil fuel" was by the german chemist caspar neumann, in english translation in 1759.[5]

in 2017 the world's primary energy sources consisted of petroleum (34%), coal (28%), natural gas (23%), amounting to an 85% share for fossil fuels in primary energy consumption in the world.[6] non-fossil sources in 2006 included nuclear (8.5%), hydroelectric (6.3%), and others (geothermal, solar, tidal, wind, wood, waste) amounting to 0.9%.[7] world energy consumption was growing at about 2.3% per year. in 2015 about 18% of worldwide consumption was from renewable sources.[8]