template restriction is retained in vitro since synthesis of kappa chain messenger rna , as determined by hybridization with complementary dna , was much more efficient in nuclei and chromatin isolated from myeloma 66.2 tissue culture cells , a kappa-chain-producing cell line , than from mopc 315 tissue culture cells , a lambda-chain-producing cell line .
C0007610
nuclei
C0008546
chromatin