What two types of cells are involved in immune response and have the job of creating a "memory" of exposed pathogens? * a)A cells and B cells
b)T cells and A cells
c)T cells and B cells
d)red and white blood cells

Sara goes on a slingshot ride in an amusement park. she is strapped into a spherical ball that has a radius 3*10^2 of centimeters. what is the volume of air in the spherical ball? use this formula: volume of a sphere=4/3pi,r^3 , where r is the sphere’s radius.

What is the role of dna ligase in the elongation of the lagging strand during dna replication?

The dense layer of connective tissue that surrounds an entire skeletal muscle is the