af Mya Boyd 1 år siden
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Ion dipole: Complete positive charge with water bond
Hydrophilic
Hydrophobic interactions
& human diseases
movement in membranes is regulated by the cholesterol in membranes
movement is reduced as temperature decreases
when this happens the membrane becomes more gel-like.
hydrophilic because of the phosphate group
they control the movement of molecules across the cell membrane
DNA + RNA
DNA provides directions for its own replication + directs synthesis of mRNA
phosphodiester linkage between nucleotides
nucleotides contain phosphate group, 5-carbon, nitrogenous base