If [R] = the free receptor concentration and [L] = the free ligand concentration, Kd is:

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#Question id: 12715

#Unit 6. System Physiology – Plant

Early-acting stress sensors provide the initial signal for the stress response,  several possible examples of stress-sensing mechanisms that act early in the pathway have been identified. They include:

A) calcium channel (cyclic nucleotide-gated calcium channel) that senses changes in temperature

B) A kinase (SnRK1, a SNF1-related kinase 1) that senses energy depletion during stress

C) A plasma membrane histidine kinase (ATHK1) that senses osmotic stress

D) A leucine rich repeat receptor kinase (LRRK) protein (Srlk)

E) An endoplasmic reticulum transmembrane sensor inositol-requiring enzyme 1 (IRE1)

And activating several response after sensing these mechanisms;

i) activates hundreds of stress-response transcripts

ii) that functions as an upstream regulator of salinity responses in Arabidopsis

iii) that is required for acclimation to heat stress

iv) that is required for heat tolerance in plants

v) activates ABA-dependent and ABA-independent responses

Which of the following is the correct match the activating response with its sense mechanism;

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#Question id: 659

#Unit 1. Molecules and their Interaction Relevant to Biology

What does it mean to say a protein is oligomeric?

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#Question id: 10470

#Unit 6. System Physiology – Plant

when the environmental stimuli associated with high CO2 demand inside the leaf are transduced into

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#Question id: 11744

#Unit 6. System Physiology – Plant

Large pores in cell walls are the prominent feature of sieve elements, the sieve area pores range in diameter from

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#Question id: 3798

#Unit 3. Fundamental Processes

Which of the following forms of DNA can serve as a template for DNA polymerase?