A Dysfunctional Cell Lacks a Signal Peptidase and Is Unable

question 6

Multiple Choice

A dysfunctional cell lacks a signal peptidase and is unable to cleave the ER signal sequence from proteins translated in the ER.What will be the effect on the cell's proteins?

• A)The cell will have no integral membrane proteins
• B)All cellular proteins will have an ER signal sequence
• C)There will be a common signal sequence at the N-terminus of all integral membrane proteins in the plasma membrane
• D)All cellular proteins will become membrane proteins
• E)There will be a common signal sequence at the C-terminus of all integral membrane proteins in the nuclear envelope

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Definitions:

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Stimulus-Response Connections

The relationship between an external stimulus and the behavioral or physiological response it triggers.

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