6 Major Functions of Fertilization
Fertilization is the process of fusion of two types of gametes (spermatozoan and ovum) so as to form a diploid zygote. In…
Fertilization is the process of fusion of two types of gametes (spermatozoan and ovum) so as to form a diploid zygote. In…
When sperm reaches the ovum in the oviduct it releases a substances known as antifertilizin. It is an acid protein secrete…
The placenta is the physiological connection between the mother and the foetus. In human, the placenta is referred to as …
Food is any substance which when taken into the body serves to provide materials for liberation of energy, body structure …
The secretion of liver is known as bile. Bile is a clear golden yellow or greenish fluid. It is alkaline in a nature. A no…
Vacuoles may be defined as a non living reservoir, bounded by a differentially or selectively permeable membrane, the tono…
Endoplasmic reticulum is a complex membrane lined network of flattened sacs, tubules and vesicles that runs throughout th…
Endoplasmic reticulum is a complex membrane lined network of flattened sacs, tubules and vesicles that runs throughout th…
The nucleus is often the most prominent structure within an eukaryotic cells and it controls all functional activities o…
Cilia are fine hair like membrane covered protoplasmic outgrowths that occur on the free surface of cells and take part in…
Golgi apparatus or golgi complex is a cytoplasmic organelle of smooth membranes sac or cisternae, tubules and vesicles. Go…
Cytoplasm, a jelly like substance (called cytosol or cytoplasmic matrix or hyaloplasm) and composed of mainly water is fou…
All cells are enclosed by a thin, film like Cell membranes, plasma lemma, biological membranes or biomembranes. The plasma…
In the cells of bacteria, cyanobacteria, protists, fungi and plants, a thick rigid, protective but porous coat, the cell wa…
How plant cells communicate with each other? The cell wall is perforated by narrow pores or pits at many pla…
Peroxisomes (Microbodies) Cell is a factory where thousands of chemical reactions take place. Cellular metabolism gener…
Lipids are esters of long chain fatty acids and alcohols. They are waxy or oily substance present in all living organ…
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