Membrane phospholipids are arranged in a bilayer with hydrophilic heads on the outside and hydrophobic tails in the middle. What is the advantage of this
arrangement?
A.) the phospholipid heads can interact with water inside and outside the cell

B.) the phospholipid heads repeal water inside and outside the cell

C.) the bilayer will not let any materials pass through it

D. the bilayer forms a non- permeable barrier

answer; ///(statins)/aka as hmg coa

there are mainly three domains in biological classification namely; archaea, bacteria, and eukarya.

archaea includes all the prokaryotic cells which are characterized by their lipid membranes. they have branched hydrocarbon which is attached to glycerol through an ether linkage.

bacteria includes all the prokaryotic cells, the cell membrane of which are made up of the unbranched fatty acid chain. in addition, they are attached to glycerol through an ester bond.

eukarya includes all the eukaryotic cells, that is, the cells contain a nucleus and other membrane-bound cell organelles.

they can be autotrophic as well as heterotrophic, unicellular as well as multicellular

they include kingdoms like protista, plantae, animalia, fungi et cetera.

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