<span>B. A prokaryotic cell does not have nucleus and the other one does. The most defining characteristic of eukaryotic cells is their true nucleus. Prokaryotes lack true nucleus</span> and membrane bound organelles.
They're called Enzyme. They're made up of proteins. They act as a biological catalysts that can speed up chemical reaction. They have an active site that certain substrates binds into it and form a product. Enzyme works under optimum pH and temperature and the active sites are not changed unless denatured.
The prenatal development of the internal reproductive structures of the male requires the <span>secretion of androgens.</span>
Answer:
In plant cell there present an important organelle, chloroplast that converts sunlight energy into energy during light and dark reaction.