Welcome to OPA Biology Sample Quiz..
The example of irregularly shaped nuclei is that of:
Prokaryotic cells carry out asexual reproduction by:
Reduction of carbon dioxide occurs in:
It can never be a chemical component of cell wall:
Which one of following organelles always contains DNA?
Small insects can walk on water because of:
Which one of the following is pure form of cellulose?
Pick up the regulatory sites:
They make weak linkages with the enzymes:
An undetachable cofactor is called:
