What can happen when new animals of the same strain are not introduced into closed colonies over time?

Which anatomical structure is absent in the rat?

Which anatomical features make the hamster an ideal model for studies involving tumor and tissue implants?

Which of the following describes how the genes code information for the body’s structure?

Of the material we covered for this exam, what is your favorite topic (or your least non-favorite if it was all work)?

A female mouse is introduced in the afternoon to a male mouse’s cage. You check the cage in the morning to see if copulation has occurred.  What are you looking for?

How many hours prior to a surgical procedure should food be withheld from a mouse?

Briefly, but thoroughly enough to show that you know it, describe how the phospholipids of the cell membrane are aligned, with respect to their two very different ends.

Which of the following describes the number of times a female has been pregnant and produced viable offspring?

In each of the following processes there is a maximum yield of 2 ATP except which one?