Clusters of _______ in membrane proteins such as band 3 of the erythrocyte can define hydrophilic segments through which ions (for example, bicarbonate and chloride) can be transported.
a. oligosaccharide side chains
b. lipid modifications
c. transmembrane ? helices
d. phosphorylation motifs
Ans: c. transmembrane ? helices
Biology & Microbiology
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