Target cells that are known to be having specific receptor for an antigent or antibody and the main reason why all cells are not target cells for the hormones is that they act as the focus for contact by phagocyte.
Answer:
e) Arginine
Explanation:
The Urea Cycle -
Urea cycle also called the TCA cycle , takes place in the ureotelic organisms . It is the cycle of biochemical reactions which helps in the production of urea from ammonia .
The highly toxic ammonia produced is excreted out of the organism's body .
Now, in one of the biochemical reaction , an amino acid arginine is used and helps for the production of urea and ornithine as the products and this step occurs in the cytosol of the cell .
Answer: I feel that the theory of plate tectonics is correct, because we use friction every day which means friction could make vibrations larger too!
The exact cause is not known It mihht be 2 or more diseases not yet defined
When the starfish were removed from the area as part of an experiment, the mussel population swelled and crowded out other species. The biodiversity of the ecosystem was drastically reduced. Payne's study showed that identifying and protecting keystone species can help preserve the population of many other species.
