The signaling cascade triggered by the BCR determines the fate of the activated B cell.

I'm bcc'ing the manager on this thread to keep her informed without alerting the other recipients.

I bcc'd the manager on the update to keep them informed.

She bcc's me on every email she sends to the team.

Before sending the newsletter to everyone, I bcc'ed the client on it so they could see the update without revealing their address.

The company reported reserves of 1 bcm last quarter.