Prokaryotes: 1. Most prokaryotes do not have a cell wall. 2. The fluid matrix filling the cell is the cytoplasm. 3. There is no well-defined nucleus. 4. The genetic material is basically naked, not enveloped by a nuclear membrane. Regarding 1,2,3 and 4:

Question

( a ) 1 is incorrect; 2,3 and 4 are correct
( b ) 2 is incorrect; 1,3 and 4 are correct
( c ) 3 is incorrect; 1,2 and 4 are correct
( d ) 4 is incorrect; 1,2 and 3 are correct