One day after multiple bear sightings in Lancaster County, a WGAL viewer shared video of a bear strolling by his property early Tuesday morning.

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Somatic hypermutation (SHM) of immunoglobulin variable (V) regions modulates antibody-antigen affinity is initiated by activation-induced cytidine deaminase (AID) on single-stranded DNA (ssDNA).

However, it does place a radial load on the nut, unlike the square thread. For loads in only one direction the asymmetric buttress thread profile can bear greater loads. By default produces the ...