Lipid Bilayer.A plasma membrane is made up of Lipid Bilayers, which consists of polar phosphate heads, which are hydrophilic or water loving, and non-polar fatty acid tails, which are hydrophobic. Proteins are embedded in the membrane as well.Cell membranes are known to have holes, or selective permeable.
Muscle cells do not form different types of tissues, the muscle tissue is one of the 4 basic categories of tissues found in humans
Littering, hunting specific endangered species, honestly there are tons of things so the easiest one would be littering because if animals eat certain things it can kill them.
The cell divides and grows in the organ of origin, causing a localized tumor. Cancer cells then spread to adjacent tissues or regional lymph node drainage areas, and then advance to distant organs or structures, creating metastatic tumors.
