Assume that the following graph represents a protein$-$protein interaction network. Answer the

following questions based on this graph.

a$)$ What do the nodes represent?

b$)$ What do the edges represent?

c$)$ How many nodes are there?

d$)$ How many edges are there?

e$)$ Create an adjacency matrix and show the degree of each

node on the rightmost column as we practice in class.