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Mary has been suffering from unexplained weight loss. Her doctor suspects celiac disease after she tests positive for antibodies characteristic of this condition. The antibodies she tested positive for are specific for what protein? ______

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Preservatives are used in food manufacturing to increase the shelf life of products. Given the ingredients, which of the following foods contain food additives that serve as preservatives? (Select all that apply)

A. Bread: flour, water, yeast, calcium propionate.
B. Swiss cheese: milk, bacterial culture, salt, rennet, microbial enzyme.
C. Yogurt: milk, whey concentrate, lactase, bacterial culture.
D. Mayonnaise: vegetable oil, water, liquid whole egg, white vinegar, liquid yolk, calcium disodium EDT
E. Cereal: whole grain wheat, barley malt, colour, BHT.

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In contrast to recent genetic engineering practices, conventional cross breeding has been used for thousands of years to produce products with desirable characteristics. Which of the following foods could derive from conventional breeding techniques? (Select all that apply)

A fish which grows faster because it produces a growth factor from whales.
B. Strawberries that grow four times larger than other varieties.
C. Oranges that do not contain seeds.
D. Rice that produces an insecticidal toxin from Bacillus thuringiensis.
E. A type of banana that is lower in starch than other varieties.

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Alex has had diarrhea for a few days; he is told by the doctor that he has Salmonella. In an effort to uncover the source of his ailment, Alex recounts all the steps of his food preparation. He blames the chicken for his ailment. Which of the following steps most likely caused his food poisoning? (Select all that apply)

A. He left the chicken on the counter for 20 minutes before cooking it.
B. He rinsed the raw chicken in the sink after taking it out of the packaging.
C. He cut the raw chicken on a clean cutting board.
D. He put the chicken in the oven. Two hours later he noted that it still wasn’t cooked and realized that he had accidentally set the temperature to 120o Fahrenheit (50o Celsius) instead of 120o Celsius (250o Fahrenheit).
E. Realizing his error he increased the temperature to 175o Celsius (350o Fahrenheit).
F. He took the chicken out of the oven and cut it with the same board cutting board and knife he used earlier.
G. He allowed it to cool for 15 minutes at room temperature before putting it in the fridge.

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A scientist named Monty Santos introduces a new type of potato (called a ‘Montato’) that is highly resistant to an herbicide known as glyphosate. It was developed by introducing one gene from a species of avocado into the genome of the potato plant. Which of the following results are risks that might be associated with this crop? (Select all that apply)

A. The inserted gene may introduce potential allergens into the Montatoes.
B. The Montatoes will taste like avocadoes, not potatoes.
C. The Montatoes may spread into the wild and replace other varieties of potato.
D. The Montatoes will look like avocadoes, not potatoes.
E. The Montatoes will offer more calories in the form of fat than carbohydrates.

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