protozoan cyst
infectious form of many protozoan parasites such as entamoeba histolytica, giardia lamblia, balantidium coli, etc., usually passed in the faeces and provided with a highly condensed cytoplasm and resistant cell wall.
A typical eukaryotic cell is comprised of cytoplasm with different organelles, such as nucleus, endoplasmic reticulum, G..
Different pregnancy and birth control and contraception strategies are described. Read this tutorial to learn each of th..
Mātauranga Māori is the living knowledge system of the indigenous people of New Zealand, including the relationships t..
This tutorial elaborates on the effect of light on plant growth. It describes how different plants require different amo..
Nutrients in the soil are essential to the proper growth of a land plant. This tutorial deals with the properties of soi..
Stems primarily provide plants structural support. This tutorial includes lectures on the external form of a woody twig ..