In Ion-exchange chromatography Cation exchangers possess negatively charged groups and these will attract positively charged cations & Anion exchangers have positively charged groups that will attract negatively charged anions

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#Unit 3. Fundamental Processes

The apparatus that is used in plant cell mitochondria is similar to that used in bacteria and uses a homolog of the bacterial protein FtsZ. 

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#Unit 6. System Physiology – Plant

A brief pulse of red light will induce a response, provided that the light is sufficiently bright, and conversely, very dim light will work if the irradiation time is long enough. 

This reciprocal relationship between fluence rate and time is known as the law of reciprocity

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#Unit 4. Cell Communication and Cell Signaling

Monomeric G proteins are evolutionarily ancient, as evidenced by their widespread functions examples include: 

eIF2

EF1α and EF2

Ran

Sar

Rab

Rho, Rac, and Cdc42

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#Unit 13. Methods in Biology

He received Nobel Prize in 1948 for developing technique for electrophoretic separation of substances.

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#Unit 6. System Physiology – Plant

Brassinosteroids, like gibberellins, suppress photomorphogenesis in the dark.