Which did not result from acceptance of the germ theory?
improved hygiene
sterile surgery
better water treatment
increased death rate

Anita thinks that she has heterozygous alleles for red hair.if she is correct, which of these diagrams best illustrates anitas alleles pf red hair

How can antibodies "remember" a particular bacterial invader or "antigen" on that invader?

Blood stem cells may develop into any kind of human blood cells. what kind of stem cells are blood stem cells? a. multipotent stem cells o b. totipotent stem cells o c. pluripotent stem cells o d. unipotent stem cells