★ Must-know
📌 Integral membrane proteins include channel proteins, whereas peripheral proteins can flip to the opposite side and can cause apoptosis.
Further detail
1. Regarding the sizes of human cell types, tick the exact statement(s):
2. Among the following statements about human cell dimensions, which statement(s) is(are) accurate?
3. Concerning the boundary-forming roles of the cell membrane:
What is the size range of human neurine cells?
300–400 μm
How large are human sperm cells?
5 μm
What does the cell membrane separate from the cytosol?
Extracellular fluid
What does membrane asymmetry mean in living cells?
The two membrane layers have different compositions
Where are membrane carbohydrates located and what do they form?
On the outer face of the outer membrane layer, forming glycolipids and glycomolecules like blood type antigens.
What does the fluid mosaic model state about membrane lipids and proteins?
They are able to move laterally within the membrane.
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