Words similar to first-round

Example sentences for: first-round

How can you use “first-round” in a sentence? Here are some example sentences to help you improve your vocabulary:

6 was amplified with primers 345F and 345R, gel-purified, 32P-labeled, and used to probe first-round filters of the adult kidney cDNA library in λTripleX.
First-round voting closes today, May 6, and Slate subscribers should vote while they can.