<em>Enzymes</em><em>-</em><em> </em><em>are</em><em> </em><em>proteins</em><em> </em><em>which</em><em> </em><em>function</em><em> </em><em>as</em><em> </em><em>biol</em><em>og</em><em>ical</em><em> </em><em>catalysts</em><em> </em>
<em>so</em><em>,</em><em> </em><em>the </em><em>answer</em><em> </em><em>is</em><em> </em><em>that</em><em> </em><em>they</em><em> </em><em>are</em><em> </em><em>proteins</em><em>.</em>
Explanation:
Protandry - Male reproduction organ/anthers androecia/ stamens mature earlier than female reproduction organ/ carpels/ stigma/ pistil/ gynoecium in a flower. (ii) Self sterility - pollen grains are sterile to stigma of the same plants or same flowers.
I hope it's helpful for you.....
The nucleus is an organelle and found in eukaryotic cells that store proteins and RNA. It is known as the largest and important cell organelle. The nucleoid is an unevenly shaped region that stores genetic material and is found in prokaryotes.
