Title: _____ in the switch regions positioned 5 to each heavy-chain C gene is induced by _____. Post by: joker on Jan 22, 2018 _____ in the switch regions positioned 5 to each heavy-chain C gene is induced by _____.
a. Somatic hypermutation; TI antigens b. Chromatin remodeling; B-cell co-receptor signaling c. Recombination; survival signals received from follicular dendritic cells d. Transcription; helper T-cell cytokines e. Gene repression; apoptotic signals received from tingible body macrophages. Title: _____ in the switch regions positioned 5 to each heavy-chain C gene is induced by _____. Post by: ztboyce on Jan 22, 2018 d
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