Why is life so hard. i really would like to know.

Describe the primary and secondary immune response in terms of speed and number of antibodies produced?

Last week i was assigned a thematic. we have groups of three but the people i was assigned with haven't been in school for days. i would appreciate if anyone can me with my thematic . i highlighted most of the important steps and i circled my thematic topic. in desperate need : ( its due on february 19

Restriction enzymes are used in making recombinant dna. describe the role restriction enzymes perform when constructing recombinant dna.