Biological oxidation-reduction reactions never involve:

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#Question id: 4739

#SCPH06 I Botany

Inheritance of leaf variegation in the four-o’clock plant, Mirabilis jalapa. the leaves and shoots of one variety of four-o’clock were variegated, displaying a mixture of green and white splotches. If  Flowers on the variegated branches gave rise to

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#Question id: 1113

#SCPH06 I Botany

Consider this pathway:

epinephrine → G protein-coupled receptor → G protein → adenylyl cyclase → cAMP

The second messenger in this pathway is:

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#Question id: 2673

#SCPH05 I Biotechnology

For a repressible operon to be transcribed, which of the following must be true?

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#Question id: 12728

#SCPH06 I Botany

Name the type of RNA which folds up to give a cloverleaf secondary structure.

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#Question id: 1680

#SCPH05 I Biotechnology

Where are the MHC class II region genes in the mouse located?