In most companies, they're just different names for the same role. They're all typically the person who either does outbound calling for an account rep or who answers inbound leads, filtering them for an account rep. The typical progression is the following: BDR, SDR, LDR - development rep. Answers inbound leads, makes outbound calls, generates new opportunities for a rep. Sales Rep, Account Rep, Account Executive - salesperson. does the actual selling, builds longer term relationships, closes deals.
The plasma membrane is the outer lining of the cell. It separates the cell from its environment and allows materials to enter and leave the cell. Ribosomes. Ribosomes are organelles that process the cellâs genetic instructions to create proteins.
Receive materials from the endoplasmic reticulum and send them to other parts of the cell. They also release materials outside the cell. Endoplasmic Reticulum. The network of passageways functions to carry materials from one part of the cell to the other.