An organic substance that can withstand environmental extremes and cannot be degraded by any enzyme is

Most resistance biological material is Or An organic substance that can withstand enviornmental extremes and cannot be degraded by any enzyme is

An organic substance that can withstand environ mental extremes and cannot be degraded by any enzyme is

Most resistance biological material is Or An organic substance that can withstand enviornmental extremes and cannot be degraded by any enzyme is

The exine of a pollen grain is composed of one of the most resistant biological matieral by which pollen grains are able to withstand extremes of temperature and dessication and cannot be degraded by any enzyme is

The exine of a pollen grain is composed of one of the most resistant biological matieral by which pollen grains are able to withstand extremes of temperature and dessication and cannot be degraded by any enzyme is

The exine of a pollen grain is composed of one of the most resistant biological matieral by which pollen grains are able to withstand extremes of temperature and dessication and cannot be degraded by any enzyme is

The exine of a pollen grain is composed of one of the most resistant biological matieral by which pollen grains are able to withstand extremes of temperature and dessication and cannot be degraded by any enzyme is

The exine of a pollen grain is composed of one of the most resistant biological materials by which pollen grains are able to wihstand extremes of temperature and dessication and cannot be degraded by any enzyme, is

An organic substance which is a non-protein part of an enzyme is known as