Which of the following statements about allosteric control of enzymatic activity is true?
A. Allosteric proteins are generally composed of a single protein.
B. Heterotropic allosteric effectors compete with substrate for binding sites.
C. Homotropic allosteric effectors compete with product for binding sites.
D. Allosteric effectors enhance the hyperbolic nature of V0 versus [S] kinetic plots.
E. Allosteric effectors give rise to the sigmoidal nature of V0 versus [S] kinetic plots.
E
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Trophic-level transfer efficiency averages about
A. 1%. B. 25%. C. 33%. D. 10%. E. 65%.
The random discrepancy between theoretical predictions and actual outcomes is called ________. [two words]
Fill in the blank(s) with correct word
Transpiration pulls water up a plant because of two mechanisms: ________ describes water molecules sticking together and ________ describes water molecules sticking to the walls of the xylem
A) cohesion... adhesion B) adhesion... cohesion C) adhesion... gravity D) gravity... cohesion
Extrachromosomal ring of accessory DNA in the cytoplasm of prokaryotes.
What will be an ideal response?