What are the parts of a phospholipid molecule? a) glycerol + two fatty acids + phosphate group b) glycerol + three fatty acids c) adenosine + three phosphate groups d) ribose + phosphate group + nitrogen base

Dna is always read in the whereas rna is read in .

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

Explain how paleontologists use trilobite fossils as index fossils for various geologic time periods.