Cell Adhesion 2 Flashcards

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1
Q

During mammilary tissue proliferation while a mother is beginning to lactate, several of the mammilary cell proliferate, several of those signal molecules come from cell adhesion molecules. However at the end which of the following us more likely to happen once the tissue has begun to deproliferate.

A. PGE
B. PL2
C. Laminin Degredation
D. MMP

A

MMP

Matrix Metalloproteoase

This molecule is known to chew up the basement membrane as a result there will be less anchorage of the cells causing the cells to undergo apoptosis. Therefore cell death.

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2
Q

While appreciating the vascular system there is known to be several different factors in which cause different actions, ADAMST13 and VWF have different actions. When the VWF binds with several platelets, forming a clot. One interaction that is meditated here is via Integreins. However this can only take place if the intergrins are in a specific position. Which is it?

A. High Km
B. Low Km
C. High Vmax
D. Low Vmax

A

Well for the intergrins to be able to bind to other molecules they must be within the high affinity confirmation there for when looking at them specfically within the a graph in this state they would be in the low km.

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