Task: Class Definition Understanding (ontology: Sciences/Biology)

Which of the following definitions best describes 'regulation of peptide transport'?

A. Any process that modulates the frequency, rate or extent of the directed movement of substances within cells.
B. Any process that modulates the frequency, rate or extent of the directed movement of peptides, compounds of two or more amino acids where the alpha carboxyl group of one is bound to the alpha amino group of another, into, out of or within a cell, or between cells, by means of some agent such as a transporter or pore.
C. Any process that modulates the frequency, rate or extent of the directed movement of iron ions (Fe) into, out of or within a cell, or between cells, by means of some agent such as a transporter or pore.
D. Any process that modulates the frequency, rate or extent of renal water transport.

Answer: Any process that modulates the frequency, rate or extent of the directed movement of peptides, compounds of two or more amino acids where the alpha carboxyl group of one is bound to the alpha amino group of another, into, out of or within a cell, or between cells, by means of some agent such as a transporter or pore.