What are the functions of the cell membrane? What are some protein functions wit

Question

What are the functions of the cell membrane? What are some protein functions within the membrane?

What molecules are cell membranes made of?

What is the fluid mosaic model?

How do membranes regulate the spaces they enclose? Think of selectively permeable

What is diffusion, concentration gradient, osmosis, hypotonic, hypertonic, isotonic?

What is turgor pressure? What is plasmolysis?

What are the different passive and active transport processes? Include: sodium-potassium pump, facilitated diffusion, cotransport, and any other processes I gave you in the notes.

What are different vesicular transport mechanisms? Include: endocytosis, pinocytosis, receptor mediated endocytosis, exocytosis.

Explanation / Answer

Ans-1

Ans-2

Cell membrane is made up of:

Ans-3

Name suggest that mosaic like arrangement of proteins and lipids are present in cell membrane. Phospholipid form double layer boundary around cell extracellular face of lipids known as head and interior face of lipids known as tell which is immersed inside membrane. Proteins are present within phospholipid membrane so in this model lateral movement of proteins and llipids taking places.

Ans-4

Lateral movement of phospholipid and proteins are present within plasma membrane so space in plasma membrane is regulated. Lipophilic substance transported through plasma membrane while hydrophilic substance not, which need career for transportation.

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