1. Why does the human body reject transplanted organs from pigs?

A. They are too dirty.

B. Pigs have different blood types

C. A sugar on the surface of the pig's cells is unique to pigs.

D. They are the wrong size.

What happens to the energy of glucose that is not used to make ATP molecules

What happens to a substance undergoing thermal expansion

Currently, two extant elephant species (X and Y) are placed in the genus Loxodonta, and a third species (Z) is placed in the genus Elephas. Thus, which statement should be true? Species X and Y are not related to species Z.

Chlamydia is often asymptomatic. Why might it be important for an individual to know if he or she were infected?

Which statement best explains why the stability of the producer population is important to the stability of the entire ecosystem

The mass of an atom is contained primarily in its?

What are the two substances that maybe formed in anaerobic respiration

Condition in which neither gene is dominant

How is natural selection important to biomes and organisms?

3. In chickens, the frizzle gene "F" controls the appearance of the feathers. A homozygous dominant chicken for the frizzle gene shows "extreme frizzle", that is his feathers are extremely disrupted.