T helper is the cell which is activated by the macrophage. It has unique receptor called APC(antigen presenting cell). When the foreign antigen being eaten by the macrophage, some parts...
The body recognizes chemical structures that are made by bacteria and quite different from chemicals made by higher organisms. These chemical structures include the special carbohydrates (sugars) and lipids that...
The plant cells have cell wall, large vacuoles, plasmodesmata, cementing of cells by calcium pectate etc. These charateristic features are absent in animal cells. Thank you
Almost all plant and animal cells are eukaryotic, meaning they have a membrane around their cell, which can let and happen. They have many organelles, such as the Golgi apparatus,...
An organelle is one of the specialised and memebrane-bound structures inside the cytoplasm of a cell. That means the and cytoplasm can't be organelles. The only true organelles that all...
Basic Definitions: = the semi-permeable structure that surrounds the cell and keeps all of the cells organelles from exploding everywhere. Cell Wall = the rigid 'armor' of the...
The most important and observable difference in the plant animal cells is the cytokinesis. In plants a new cell plate is formed between the daughter cells for the future cell...
Astral rays are formed at two opposite poles for contraction of chromosomes in the animal cell division, while this type structure is not found in plant cell. In the plants,...
The process of transporting water against gravity is called , so called because it requires energy to occur (as opposed to passive transport which occurs naturally). Now, the molecule which...