Unit Test — Unit test Answers

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Which statement best describes both insulin and glucagon?

A
They both provide structural support, but only insulin is a carbohydrate.
B
They both store energy, but only glucagon is a carbohydrate.
C
They are both hormones that regulate blood-sugar levels.
D
They are both hormones that help fight disease.
22
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Lactase is an enzyme that is produced in the lining of the intestines. This enzyme helps the body speed up the breakdown of carbohydrates that are found in dairy products, such as milk, yogurt, and cheese. Which general function does lactase perform?

A
fighting disease
B
creating movement
C
regulating cell processes
D
sending chemical messages
23

Every day, people cook with and consume a variety of foods that contain lipids. The table shows the amount of saturated fat in various foods. Amount of Saturated Fat in FoodsFood (1 tbs or 14 g)Saturated fat (g)Olive oil2Margarine2Butter7Lard5Canola oil1Which food contains the most kcal/gram, based on the data in the table?

A
margarine
B
lard
C
butter
D
canola oil
24

The most abundant element in the atmosphere can also be found in

A
white sugar and soy protein.
B
fruits and hydrogenated oils.
C
carbonated water and glucose.
D
beans and whey protein.
25

Which fat has only single bonds between the carbon atoms in the fatty acid?

A
saturated
B
unsaturated
C
polyunsaturated
D
monounsaturated

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