Q1. Parasite schistosoma mansoni' infects humans by penetrating the skin. The larva secretes enzymes that catalyze the cleavage of paptide bonds between residues x and y in the sequence Gly-Pro-X-Y-. Why this enzyme activity is is important in this parasite?
Q2. Many infected animals are induced by the parasitic microsporidians to develop huge cells, known as xenomas, which are full of spores. Given their large size, what must be true of the xenomas?