Answer
Complex barrier to the flow of substances out of the cells,and restrictions to inflow of unwanted substances into the cells. The hydrophobic and hydrophilic nature of the cell membrane controls the entry of substances from the extracellular medium into the intracellualr. In addition the polarity restricts certain substance movement across the walls.
Serve as the selective channels for the influx of certain substances into the cells, and the out flux of wastes.This is through ion channels for the movements of ions across.
Provide insulation to the cells,to maintain the constant internal temperature,this is through the presence of lipids as( Phospholipids and cholesterol).The latter prevent the clogging of the lipids in the cell membrane therefore preventing frozen up of the cell membrane,providing insulation.
Separation of metabolic process in the cell.
Explanation:
Cell membrane-This is present in all cells.But the variation of its constituents makes it unique to each cell. Although it performs the same role, the location and role the cells it bounded, reflects its constituents, it is made up of lipids, carbohydrate, protein and cholesterol
Answer:
This is usually the first day of menstruation - the day when the uterus lining starts to be shed.
Explanation:
Answer:
Both
Explanation:
Well,it has both good and bad aspects.In my opinion,hereditary traits possess good side through the genetic factors whereas it shows negativity as it may cause some diseases or hard complications.
Answer:
D) is the correct answer in my opinion
The right option is c. consumed
in place of; consumed together with
A substitute is a good that is consumed
in place of another good, and a complement is a good that is consumed together
with another good. Substitutes serve in place of another and complements make
something seem better.