<span>Astronomy is the study of stars, planets ect</span>
Answer:
b.) centrosome
Explanation:
Centrosome is a structure with the function of main microtubule organizing center (MTOC) of the animal cell. This structure has a key role in mitosis where it acts as a regulator of cell-cycle progression. Centrosome is composed of two centrioles which serve to organize microtubules durind the cell division.
Answer:
It does not dive them what they want or need.
Explanation:
In natural selection it is the complete opposite. In natural selection the animal has to adapt to the environment with all of the traits it has or develop another trait. If it doesn't adapt then the popular saying "Survival of the fittest" becomes true.
The rate-limiting step for the secretion of secretory proteins or the appearance at the plasma membrane for membrane protein is generally thought to be the rate of exit from the ER. Biosynthesis in or at the ER, including folding, modifications, and assembly, hence is the most crucial step for efficient secretion.
