How might a person’s immune system be affected if a portion of the DNA that codes for interferons has mutated

Cells destroy body cells infected by a virus or bacteria.

Explain the source of radioactivity in uranium in earth’s crust by which it produces nuclear radiation

Which scientific design has both practical limitations and limitations due to scale? studying the effect of bleach on the growth of mold spores exposing cultures of duckweed to different intensities of light observing the replication of dna molecules with a hand lens using colored marbles to model a cross between two colors of rabbits