Question

Porins are present in the outer membranes of

I) Plastids

II) Mitochondria

III) All bacteria

IV) Endoplasmic reticulum

1) I and III only
2) I and II only

3) II and IV only
4) I, II, III only​

Answer 1

Answer:

4

Explanation:

|,||,||| only

option 4 is crct...