A、has amplification effect
B、no breakdown of covalent bonds and composition changes
C、belongs to rapid regulation of enzyme activity
D、activity of enzyme changed after covalent modification
E、The most common modification is phosphorylation and dephosphorylation.
A、earth
B、water
C、fire
D、metal
A、limited
B、endless
C、fine
D、recyclable
A、α-ketoglutarate dehydrogenase complex
B、Citrate synthase
C、Isocitrate dehydrogenase
D、Malate dehydrogenase
E、Succinate dehydrogenase
A chargeis placed at the origin of a coordinate system and a chargeis located aton the x-axis. The force onis found to be. A third chargeis now placed aton the x-axis. What is the net force onnow?
A、0
B、
C、
D、
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