Gamma:delta T-cells need to have antigens presented to them using MHC molecules, hence they need to undergo the process of positive selection.

Which of the following is true about central tolerance?

Which of the following is true about positive selection?

Graph the function (4 points). Present: 1. Domain (2 points) 2. Detailed table of ordered pairs and the graph (4 points) 3. Identify the range (after you graph the function) (2 points) 4. Is the function continuous everywhere on its domain? Present the definition of continuity at a point. (2 points)  

Short answer: answer the following; each part is worth .5 points:    Define Stem Cell Where are they found? What possible benefit could they have in science? 

An exocrine gland has a duct

Describe the three different  fiber types found in conective tissues:     collegen Elastic  Reticular     

Types of cartilage   are    Mark all that are correct  :

Burns to the body:  The size of a burn can be quickly estimated by using the “rule of nines.” This method divides the body’s surface area into percentages. The front and back of each arm and hand equal 9% of the body’s surface area. … The chest equals 9% and the stomach equals 9% of the body’s surface area etc. Also:   If an individual has 30% or more of their body burned, the injury might be fatal

MEMBRANES  are A combination of epithelium and connective tissue that covers and protects other structures and tissues.   Name 3 types of them: