Consider the following statements regarding Endoplasmic Reticulum:

1. Endoplasmic Reticulum is to act as channels for the transport of materials between different regions of the cytoplasm.

2. The Smooth endoplasmic reticulum helps in the manufacture of fat molecules, or lipids.

3. Ribosomes attached to the surface of the rough endoplasmic reticulum.

Which of the statements given above is/are correct?