Answer:
The correct answer is option B. "micropipette".
Step-by-step explanation:
Micropipette is an essential laboratory apparatus to transfer a defined amount of liquid from one reservoir to another. The micropipettes are highly accurate and precise with different ranges of volumes to fit to the operator necessities. A specialized technique, such as the polymerase chain reaction that Ricardo is performing, requires the use of micropipettes to measure and transfer microliters of solutions.