The two key components in protein targeting in ER:

Signal recognition particle (SRP)

SRP receptor

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#Unit 4. Cell Communication and Cell Signaling

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#Unit 10. Ecological Principles

Trade off - A giving up of one thing in return for another.

Causes of trade off

More mortality in their offspring 

Limitation of food

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#Unit 2. Cellular Organization

When the environment of a cell has inadequate oxygen, enzymatic modification of proteins on the outer mitochondrial membrane induces mitophagy.

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#Unit 6. System Physiology – Plant

PHYA is the only gene that encodes a Type I phytochrome and predominantly perceives far-red light.

Phytochrome B predominantly perceives red light

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#Unit 3. Fundamental Processes

XPC= UvrA

XPA and XPD = UvrB, RPA

ERCC1-XPF, XPG = UvrC