The Hox genes came to regulate each of the following in what sequence, from earliest to most recent?

1. identity and position of paired appendages in protostome embryos

2. formation of water channels in sponges

3. anterior-posterior orientation of segments in protostome embryos

4. positioning of tentacles in cnidarians

5. anterior-posterior orientation in vertebrate embryos

TLS Online TPP Program

#Question id: 18773

#Section 7: Recombinant DNA technology and Other Tools in Biotechnology

The affinity constant, Ka between antigen-antibodies, can be determined by 

TLS Online TPP Program

#Question id: 18777

#Section 7: Recombinant DNA technology and Other Tools in Biotechnology

which of the following technique using antibodies labelled with fluorescent molecules can be used to visualize antigen on or within cells.

TLS Online TPP Program

#Question id: 18777

#Section 7: Recombinant DNA technology and Other Tools in Biotechnology

which of the following technique using antibodies labelled with fluorescent molecules can be used to visualize antigen on or within cells.

TLS Online TPP Program

#Question id: 18778

#Section 7: Recombinant DNA technology and Other Tools in Biotechnology

which of the following technique provides an unusually powerful technology for the quantitative analysis and sorting of cell populations labelled with one or more fluorescent antibodies.

TLS Online TPP Program

#Question id: 18778

#Section 7: Recombinant DNA technology and Other Tools in Biotechnology

which of the following technique provides an unusually powerful technology for the quantitative analysis and sorting of cell populations labelled with one or more fluorescent antibodies.

TLS Online TPP Program

#Question id: 18784

#Section 7: Recombinant DNA technology and Other Tools in Biotechnology

Which of the following is the sine qua non (without which, nothing) of the modern immunologist’s toolbox.