Classify the following organelles / cellular components on the basis of presence or absence in prokaryotic and eukaryotic cells. (Ribosomes, Nucleus, Plasma membrane, Mitochondria, mRNA, Endoplasmic Reticulum, Golgi complex, Centrioles, Nucleoid)
(b) Embryo develops at the micropylar end of the embryo sac where the zygote is present. Most of the zygotes divide only after certain amount of endosperm is formed. This...
1. The postulate Ananya was willing to test was, ‘all cells arise from pre-existing cells’. According to this postulate, to form new cells, pre-existing cells are must; therefore, cellular organelles...
It also contains various membrane bound cell organelles like endoplasmic reticulum, Golgi complex, mitochondria, plastids, nucleus, microbodies and cytoskeletal elements like microtubules.
1. The rigid, protective and supportive covering, outside the cell membrane is called cell wall. It is present in plant cells, fungi and some protists.
2. Algae show presence of cellulose,...