Organic Compounds Question Preview (ID: 17327)
Review Of Proteins, Lipids, Carbohydrates, And Nucleic Acids.
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Large molecules that are used to store genetic information in the nucleus of every cell.
a) lipids
b) proteins
c) nucleic acids
d) carbohydrates
Organic molecules that are used to supply energy to the body's cells. These compounds may be simple (sweet) or complex (starchy).
a) proteins
b) carbohydrates
c) lipids
d) nucleic acids
Large organic molecules that do not dissolve in water and are used to store energy in the body.
a) lipids
b) proteins
c) nucleic acids
d) carbohydrates
Compounds that are made up of amino acids, used in the body for repair and structure.
a) nucleic acids
b) lipids
c) carbohydrates
d) proteins
Enzymes are:
a) proteins
b) carbohydrates
c) lipids
d) nucleic acids
In cells, enzymes:
a) supply energy
b) store energy
c) speed up chemical reactions
d) carry genetic information
Which statement about enzymes is FALSE?
a) There are thousands of different enzymesin every cell.
b) Enzymes are used up and destroyed in chemical reactions.
c) Enzymes are catalysts, meaning they help reactions occur.
d) Different enzymes 'fit' different molecules and do different jobs in the cell.
Catalase is an enzyme that:
a) Turns safe water and oxygen gas into harmful hydrogen peroxide.
b) Converts poisonous gases such as hydrogen into harmless liquids such as water.
c) Reacts with harmful hydrogen peroxide to produce safe water and oxygen gas.
d) Breaks down fats and sugars in the liver.
Fats, oils, waxes, and steroids are examples of:
a) proteins
b) lipids
c) nucleic acids
d) carbohydrates
Which group of foods is high in carbohydrates?
a) beef, chicken, pork, eggs, and beans
b) milk, butter, cheese, ice cream, and yogurt
c) broccoli, carrots, squash, beans, and tomatoes
d) potatoes, pasta, rice, bread, and pumpkin pie
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