Compared to those of humans, erythrocytes of Frog are

Compared to those of humans, the erythrocytes of frog are

Compared to those of humans, the erythrocytes in frog are

Compared to those of humans, the erythrocytes in frog are

Compared to those of humans, the erythrocytes in frog are

Compared to those of humans, the erythrocytes in frog are

Erythrocytes are

How does the structure of human erythrocytes fit their function ?

What persentage of proteins and lipids respectively are present in the membrane of human erythrocyte cell?