For Plant physiology, what is the fundamental chain of events in a signal transd

Question

For Plant physiology, what is the fundamental chain of events in a signal transduction cascade?

In a signal transduction cascade, the receptor is always at the plasma membrane . True or false ?

QUESTION 14 The fundamental chain of events in a signal transduction cascade is )Receptor -> Signal > Signal Transduction > Response Receptor Signal Transduction > Response > Signal Signal > Receptor-> Signal Transduction> Response Response > Receptor >Signal Transduction > Signal Signal Transduction>Signal>Response Receptor QUESTION 15 in a signal transduction cascade, the receptor is always at the pla sma membrane. True False

Explanation / Answer

14. option third is correct.

In any signalling process a signal molecules comes from a site where it was produced and then make interaction with targate cell.

Most of the cells have membrane bound receptors on which these signalling molecules binds and do funther multistep signal transduction process. After complete processing cell produce a responce against the processed signal.

So signal comes first and binds to the receptor and signal transduction is proceeded in cytoplasm and then cell show response against signal.

15.

False.

Most of the receprors are present in membrane bound form. But in few cases membrane bound receptors are not present and single molecule diffuses into the cell membrane and interact with other protein within the cytoplasm to do further single transaction process.

Some receptors are cytoplasmic receptors.

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