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: 18668

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

Enzymes and antibody can easily be detected in samples subjected to electrophoresis on cellulose acetate, by using the 

TLS Online TPP Program

#Question id: 18672

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

Larger DNA fragments up to 2 × 10 ³ kb can be separated by using

TLS Online TPP Program

#Question id: 18683

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

Eukaryotic mRNA can be separated by using 

TLS Online TPP Program

#Question id: 18685

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

Match the items in Group 1 with an appropriate description in Group 2 

Group I                                      Group 2 

P. UPGMA                             1. Protein sequence database

Q. CLUSTALW                       2. Phylogenetic Analysis

R. SWISS-PROT                    3. 3-D structure visualization

S. RasMol                              4. Multiple sequence alignment

TLS Online TPP Program

#Question id: 18686

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

Homology modeling may be distinguished from ab initio prediction because: 

TLS Online TPP Program

#Question id: 18687

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

Homology modeling involves