Read the following statements regarding porins and select the correct option given below. (i) Porins are transport proteins. (ii) Channel proteins are usually gated and are a type of transport protein. (iii) Carrier protein binds the particular solute to be transported. (iv) Particular solute is delivered to the other side of the membrane by carrier proteins.

• A. (i),(ii) and (iii)
• B. (i),(iii) and (iv)
• C. (i),(ii),(iii)and(iv)
• D. (i) and (iv)