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> A Click Submit to complete Question 22 The MOST fluid would be a bilayer made of lipids with: Polyunsaturated 16-carbon fat
L Moving to another question will save this response. Question 19 When the substrate concentration is much greater than the K
A Moving to another question will save this response. Question 16 What functional group are polar head groups of phospholipid
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Answer #1

22. Answer: Option 1 is correct
Explanation:
Biological membranes are lipid bilayers composed of phospholipids.
They exhibit fluidity. The fluid nature of the membrane is regulated by the unsaturation status of membrane lipids.
Unsaturated fatty acids increase the membrane fluidity as they cause a kink in the structure resulting in the disordered arrangement.
Saturated fatty acids exhibit an organized arrangement.
The length of fatty acid is inversely proportional to the membrane fluidity.

19. Answer: Option 5 is correct
Explanation:
Km = The substrate concentration at which the reaction rate is half the Vmax
If the substrate concentration is much greater than Km, the reaction rate approaches Vmax.

16. Answer: Option 5 is correct
Explanation:
Polar head groups of phospholipids are esterified to a Phosphate

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