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Organic Compounds
Test Description: Review of proteins, lipids, carbohydrates, and nucleic acids.
Instructions: Answer all questions to get your test result.
1) Large molecules that are used to store genetic information in the nucleus of every cell.
A
carbohydrates
B
proteins
C
lipids
D
nucleic acids
2) Organic molecules that are used to supply energy to the body's cells. These compounds may be simple (sweet) or complex (starchy).
A
carbohydrates
B
nucleic acids
C
lipids
D
proteins
3) Large organic molecules that do not dissolve in water and are used to store energy in the body.
A
nucleic acids
B
proteins
C
carbohydrates
D
lipids
4) Compounds that are made up of amino acids, used in the body for repair and structure.
A
nucleic acids
B
lipids
C
proteins
D
carbohydrates
5) Enzymes are:
A
lipids
B
proteins
C
nucleic acids
D
carbohydrates
6) In cells, enzymes:
A
carry genetic information
B
store energy
C
speed up chemical reactions
D
supply energy
7) Which statement about enzymes is FALSE?
A
Enzymes are catalysts, meaning they help reactions occur.
B
Different enzymes 'fit' different molecules and do different jobs in the cell.
C
There are thousands of different enzymesin every cell.
D
Enzymes are used up and destroyed in chemical reactions.
8) Catalase is an enzyme that:
A
Breaks down fats and sugars in the liver.
B
Turns safe water and oxygen gas into harmful hydrogen peroxide.
C
Converts poisonous gases such as hydrogen into harmless liquids such as water.
D
Reacts with harmful hydrogen peroxide to produce safe water and oxygen gas.
9) Fats, oils, waxes, and steroids are examples of:
A
nucleic acids
B
carbohydrates
C
lipids
D
proteins
10) Which group of foods is high in carbohydrates?
A
beef, chicken, pork, eggs, and beans
B
broccoli, carrots, squash, beans, and tomatoes
C
potatoes, pasta, rice, bread, and pumpkin pie
D
milk, butter, cheese, ice cream, and yogurt
*select an answer for all questions
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