The question is incomplete as it does not have the options which are:
Answer:
Cholesterol
Explanation:
The sausage, egg, and cheese sandwiches are a very common sandwich in the United States of America.
These food products are like the sausage is a meat product that is the animal cell which is rich in the cholestrol. The egg is also an animal product therefore cholesterol is present. The cheese prepared from the animal milk contains the cholesterol.
Since these all food product contains the cholesterol therefore the cholesterol is the correct answer.