Blastoderm formation is followed by gastrulation, the process by which cell movement and differentiation transforms the simple cellular... View Article
After fertilization, the fusion of sperm and egg nuclei results in a zygote nucleus that undergoes a series of rapid and synchronous divisions... View Article
Not all the components of proteins are duplicated by the continuous synthesis in the process of the cell cycle. Centrosomes of animal cells are... View Article
They reproduce by continuous division and growth of the already existing organelles. Lysosomes and mitochondria, the smaller organelles are seen... View Article
It is considered so as it is in this phase that most of the cells get committed either to continued division or exit the cell cycle. When there... View Article
These are movements seen in plants occurring while responding to the environmental stimuli, however, in contrast to tropic movements, the path of... View Article
Carbon skeletons of non-essential amino acids are generated from intermediates of the TCA cycle and glycolysis exception being the synthesis of... View Article
Tropism is a direction movement occurring in response to a direction based stimulus. Since plants cannot migrate and relocate, it starts growing... View Article
The phenomenon of olfaction commences with the olfactory fibres lining the nasal cavities in the nose. When the air enters cavities, a few... View Article
It is the amount of insulin in one's blood that is higher than the normal level, this Hyperinsulinemia is usually linked with type 2 diabetes.... View Article
The tropic responses are a result of the differential growth. In a blue-light dependent response, phototropism is regulated by the activity of... View Article
It is the creation of sound by those structures that are found in the upper respiratory tract of the respiratory system. In the process of... View Article
In the event of germination occurring in darkness, there is a drop in the rate of growth of roots after the shoot emerges and elongation of the... View Article
Imbibition is a unique type of diffusion when water is absorbed by solids-colloids which causes it to greatly increase in volume. A good example... View Article
During the metabolism of nucleic acids, trace quantities of nitrogenous wastes are produced. The most toxic is ammonia followed by urea and uric... View Article
Following the event of fusion of the sperm with the oocyte, the head of the sperm is incorporated into the cytoplasm of the egg. The sperm's... View Article
The two main safeguards which protect the eggs against polyspermy are - Polyspermy at the plasma membrane level is prevented wherein the union... View Article
When an egg is introduced to many thousands of sperms in the phase of insemination, a mature and healthy egg permits one sperm to associate to... View Article
It is essential for fertilization. It exposes different hydrolytic enzymes helping the sperm tunnel through the zona pellucida and gives away... View Article
Mammalian fertilization commences when the sperm's head binds in a species-specific way to the zona pellucida which surrounds the egg. This, in... View Article
