What role do interferons play in the immune system are they effective against all pathogens?

The image shows ekgs of a person with normal heart waves and of a person having tachycardia. based on this image, what kind of condition is tachycardia? a. the heart beats abnormally fast. b. the heart beats abnormally slow. c. the right atrium of the heart stops working. d. the left ventricle pumps less blood to the aorta.

Asap what occurs after cytokinesis is completed at the end of meiosis 1?

The negative impacts of nonnative species generally outweigh the positive impacts