How do complement proteins differ from antibodies?

What is the difference between how ionic and covalent bonds form

What is the process of pulling apart an n2 molecule nevermind i got it

2. which of the following statements does not accurately describe stem cells? a. embryonic stem cells make up the inner cell mass of a blastocyst. b. with more research, stem cells may be used to repair or replace damaged cells. c. the use of stem cells is without any objections since it can be used in therapies to humans. d. adult stem cells are multipotent and can differentiate into many types of cells.