What is the value of antibodies being multivalent?

 Is each of the following an example of the innate immune system (A) or the adaptive immune system (B)?            

Name 2 ways antibodies act to fight infection. Describe what actually happens, don’t just give a name. 

The main lipid found in cell membranes, phospholipids have a hydrophilic head consisting of _____.

The popliteal region is located at the _____.

Hydrogen bonding is a form of intermolecular attraction that occurs between _____.

Carboxyl group

Hydrogen bonding among water molecules accounts for its high _____, which makes sweating an especially efficient means of cooling the body.

Glucose is an example of a _____.

The covalent bonds that join the amino acids together within a protein are called _____.