Bio

Which of the following processes only occurs during endocytosis? (Pearson, 2011)

. A larger movement of molecules occurs that requires the participation of transporter molecules.

b. A movement of substances occurs from a medium where there is higher concentration to a medium of lower concentration.

c. The cell moves large molecules or particles into it, encompassing them in an invagination of its cytoplasmic membrane.

d) Substances move against their concentration gradient and therefore require the expenditure of metabolic energy.