There are many different types of cells in animals. Each type is specialised for a particular role. These ensure that the organism functions as a whole. The head of the sperm contains the genetic ...
Vacuoles usually account for changes in cell size when the cytoplasmic volume stays constant. Some vacuoles have specialized functions, and plant cells can have more than one type of vacuole.
Stem cells function as a source of new cells to grow ... Do similar mechanisms operate in plant and animal stem cells to maintain long-term division and pluripotency? In conclusion, at least ...
The team isolated the chloroplasts from algal cells using a centrifuge and gentle stirring. Instead of then piercing the host cells’ membranes, as in earlier work, the researchers adjusted the culture ...
Most animal, plant and fungal cells contain organelles called mitochondria. These descendants of a primordial bacterial endosymbiont still preserve distinct genes and are known for their ability to ...
Iowa State University scientists recently made a significant breakthrough in scientists’ ability to identify specific ...