Lipid bilayer model was proposed for its structure but it was modified and new structure is according to fluid mosaic model. Plasma membrane is selectively permible as it selects small molecules like lipid etc (composition is also of lipid and as solubility principle like dissolve like) so large and charged molecules like plasma and ion can't pass through it. Lipid are in form of layer so at the chain when ever other phosphate group attach the place conjugate molecule (phospholipid ) formed
Answer:
A sexual reproduction it is mostly send in single sel organisms
Answer:
I think it's (E) but I'm not sure
1.All living things are made up of one or more cells.
2.A cell is the most basic structure of organisms.
3.All living cells come from pre-existing cells.
Answer:
option B
Explanation:
You contracted malaria after an infected mosquito bit you on your arm