Answer:
basophils:
Explanation:
primary phagocytic cells type that fights infection
<span>tympanum Im preatty sure</span>
Troposphere.
Hope it helps!
<span>helicase<span>DNA helicase is the enzyme that unwinds the DNA double helix by breaking the hydrogen bonds down the center of the strand. It begins at a site called the origin of replication, and it creates a replication fork by separating the two sides of the parental DNA.<em /></span></span>
