Make a food chain with these organisms white shark, bacteria, kelp, sun, sea urchins, otter

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

Which two criteria must be met before scientist can use radiocarbon dating? explain your answer

Why are lipids and proteins free to move laterally in membranes?