[填空题]
(a) Estimate the rms sp uxpnjfvf;e,85- * j wza:dsd7h gtf*0.p bh)jeed of aq:) b )z(rmpwkn amino acid whose molecular mass is 89 u in a living cel r:mkp)z )b(wql at 37 $^{\circ} $ C. m/s
(b) What would be the rms speed of a protein of molecular mass 50,000 u at 37 $^{\circ} $ C? m/s