Answer the following: 1. bcr (b cell receptor) and tcr (t cell receptor), how are they created and where in the body are they created? 2. structure of immunoglobulin and the t cell receptor (tcr) ? 3. the t cell receptor (tcr) type of antigen vs. ig (bcr) type of antigen? 4. for expression of the tcr at the cell surface what is needed? (list all proteins and the name given to all the proteins and tcr when on the surface).

Which type of bond forms between water moleculesstrong bondhydrogen bondcovalent bondpolar bond

Which of the following is not a food produced in rainforests? a) coffee b) cocoa c) avocados d) wheat

Which statements describe resources? one of the factors people use when deciding where they will live is the availability of resources. renewable resources have little value for people. resources are unevenly distributed throughout the world. energy is the world resource which has the highest use. the use of nonrenewable resources has decreased in recent history. the use of resources is evenly distributed throughout the world. the world's oil supply will last for the next forty years if its use continues as expected.