Answer:
The protein is too large to simply diffuse across the phospholipid bilayer of the cell, so it uses phagocytosis to diffuse across, where it is contained in a vesicle and pinched into the cell? Credits to yahoo answer. Hope I could help sweets.
Cell membranes acts as a barrier for the large,charged and polar molecules due to their hydrophobic nature.
These molecules are transported with the help of membrane proteins such as carrier proteins across the plasma membrane by a process known as facilitated diffusion. These membrane proteins diffuse larger molecules across the cell membrane that cannot be transported by simple diffusion.
<span>Because of semi-conservative replication in DNA synthesis, One of the strands of the new DNA molecule is original and one of the strands of the molecule is composed of new nucleic acids.</span>
<span>Petiole is the stalk that joins a leaf to a stem.</span>
