Question

1. you have a bilayer with equal amounts of saturated and UNsaturated phospholipids. After testing the permeability of this membrane to glucose, you increase the proportion of saturated phospholipids in the bilayer. What will happen to the membranes permeability to glucose?

a. permeability to glucose will increase
b. permeability to glucose will decrease
c. permeability to glucose with stay the same
d. you cannot predict the outcome. You simply have to make the measurements.

2. Tay-Sachs disease is a human genetic abnormality that results in cells accumulating and becoming clogged with very large, complex, undigested lipids. Which cellular organelle must be NONfunctioning in this condition?
a. the rough endoplasmic reticulum
b. the golgi apparatus
c. the lysosome
d. the mitochondrion

Answer 1

The correct option for question 1 is

Option A.

permeability to glucose will increase

2. Correct option is C.

The lysosome.

Step-by-step explanation:

1. increasing the proportion of saturated phospholipids in lipid bilayer will increase the permeability of glucose because normally the phospholipid bilayer is impermeable to most water insoluble substances like glucose, therefore to increase glucose permeability by the membrane saturated phospholipids need to be increase in the bilayer becayse saturated phospholipids tails have no double bonds and they are straight making it permeable to glucose.

2. The cellular organelles non functioning in Tay-Sachs disease is lysosome because lysosome is an organelles found in eukaryotic organisms that contain the digestive enzymes which help to digest food. In the case of Tay-Sachs, her lysosome is not functioning that is why there is accumulation of large complex undigested lipids because the lysosomes is malfunctioning and digestion cannot take place.