Which of the following is an example of a gene that can "drive" into other chromosomes and spread through population? A) SCID- X1
B) CRISPR
C)IL2RG
D) BRCA1
E) none of the above

Because of its structure the cell membrane is known as a phospholipid ? a.bilayer b.molecule c.fluid d.barrier

In which layer do organisms on earth love?

Vaccines are weakened forms of disease causing microorganisms, which are given to patients to prevent disease. after the vaccine is administered, the immune system responds by creating a(n) to recognize the a.) antibody, antibiotic b.) antigen, antibody c.)antibiotic, antibody d.)antibody, antigen