Your answer is the peripheral proteins. Its on the inner or outer surface of the phospholipid bilayer, but not embedded in its hydrophobic core.
Well firstly, alleles are different versions of genes. A dominant allele will show it's trait regardless of if the organism only has one copy of the allele (heterozygous). A recessive allele will show the effect only if two copies of the allele are present (homozygous)
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Dont open that link or they will track you down hope this help so you dont get kidnapped. :)
ask the question again in another one
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In my personal opinion, yes, this is a pretty typical behavior of human beings. I'd say it's naturalistic in a way.
Well, the leaves contain stomates, which let in CO2 and release O2. The roots collect water, which travel up the xylem, which are contained in the stem.