plastoquinone is one of the electron carriers between PSI and PSII, accumulates in the reduced state. Reduced plastoquinone accumulates when

a.) PSI is being activated more frequently than PSII

b.) PSII is being activated more frequently than PSI  

c.) LHCII is not phophorylated

d.) LHCII is phophorylated

Which of the following state will correct?

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#Question id: 12414

#Unit 10. Ecological Principles

On a life table lx represents the ______ and ex represents ______.

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#Question id: 5306

#Unit 11. Evolution and Behavior

 If the sequence of a cDNA has matches with DNA sequences in the genome, then this genomic DNA could be described by which of the following statements?

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#Question id: 18774

#Unit 13. Methods in Biology

The above Scatchard plots are based on repeated equilibrium dialyses with a constant concentration of antibody and varying concentration of ligand. In these plots, r equals moles of bound ligand/mole antibody and c is the concentration of free ligand, (Ka) is slope while intercept on x axis represent 

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#Question id: 1870

#Unit 4. Cell Communication and Cell Signaling

Primary immunodeficiency producing susceptibility to infection by viruses and molds is caused by:

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#Question id: 19923

#Unit 12. Applied Biology

Promoter prpl-1 specifies the expression of barnase gene in such cells 1that are