Alternation of generations in plants permits both mitosis and meiosis but at different stages.
The zygote will undergo many rounds of <u>mitosis</u> and give rise to a diploid multicellular plant called a sporophyte. Specialized cells of the sporophyte will undergo <u>meiosis</u> and produce haploid spores.
Lysosome are among the organelles in a eukaryotic cell. Lysosomes are formed by the golgi bodies or the golgi apparatus.
<em><u>The role of lysosomes is to digest and destroy old and worn out organelles together with cellular wastes. In other words Lysosomes break down food molecules, waste products, and old worn out cells or organelles.</u></em>
They contain powerful lytic enzymes and and acids which help in the digestion and recycling of cellular materials.
<span>Pesticide use is harmful to human agriculture because it
contains an antifreezing chemical (present in transportation vehicles). When
the chemical seeps into the leaves of the plant, it is distributed all over its
body and remains there. The chemical may still be present there when we are
going to the plant.</span>
