Answer:
Endoplasmic reticulum
Explanation:
Endoplasmic reticulum is known to be a site where many cellular components are synthesized and also, it is found to be internal membrane of the eukaryotes. Thus, endoplasmic reticulum exists in two forms which include rough and smooth endoplasmic reticulum. Furthermore, it perform important role in the synthesis of lipids and modification of proteins.
Answer:
Permeability of plasma membrane is the rate of passive diffusion molecules across the biomembrane.
Answer:
<em>they</em><em> </em><em>are</em><em> </em>climate, food supply, and actions of other organisms.
Some isotopes are stable, but others are radioactive. An isotope will be radioactive if its nuclei are unstable. Large atomic nuclei, with more than 93 protons and their associated complement of neutrons, are inherently unstable. Uranium and plutonium are examples of such elements.