Assertion: Polar molecules require membrane carrier proteins for transport.

Reason: Polar molecules alone cannot pass through the non-polar lipid bilayer.

Regarding prokaryotes:
1. They are generally smaller and multiply more rapidly than eukaryotic cells.
2. They have a cell wall surrounding the cell membrane.
3. The fluid matrix is cytoplasm and there is no well-defined nucleus.
4. Genetic material is basically naked and not enveloped by a nuclear membrane.
5. Many bacteria have small circular DNA outside genomic DNA, called plasmids.
6. Mesosomes are infoldings of the cell membrane. Which option is correct?

Which of the following is incorrect with reference to drug abuse?

Given below are statements about the cell wall. Select the wrong statement.