Q1. Even as visiting a friend you notice that she has two male cats. One is a siamese while the other is calico. Explain how black and white pattern on the male siamese cat arises.

Q2. If the oceans warm a few degrees, what impacts can you see on the landmasses, biologic community, and human populations? Are these positive or negative changes? Why with reason?

Q3. A protein is transported along a microtubule towards the end where fluorescently labeled tubulin dimers rapidly assemble. What motor protein can you suppose is required for its transport?