Before the Advent of Biotechnology, Diabetics Would Use Insulin Harvested

question 13

Multiple Choice

Before the advent of biotechnology, diabetics would use insulin harvested from cows. Now they receive human insulin produced through ______.

• A) gene therapy
• B) PCR
• C) gel electrophoresis
• D) recombinant DNA technology

---

Definitions:

Hand-off-automatic Circuit

A control circuit allowing equipment operation in hand (manual control), off, or automatic modes, depending on the selected setting.

Operator

An operator is a person or device responsible for managing, controlling, or executing the operation of machines, systems, or processes.

Pilot Device

An interface component used to control and monitor the operation of machinery or equipment, often initiating the start or stop commands.

Control Coil

The coil in a relay or contactor that, when energized, creates a magnetic field to pull in contacts, controlling circuit continuity.