Question

discuss cell surface transport under the following subheading:<br />
(b)regulation of cellular function<br />
(i)nutrient uptake<br />
(ii) excretion of end products<br />
(iii)ionic asymmetry<br />
(iv)receptors<br />
(c)membrane movement<br />
(i) membrane fusion<br />
(ii) absorption and secretion

Answer 1

absorption mean to take inside throuh body surface and secretion means to secrete waste materials through body surface by balancing concentration