Biochemistry: Question Preview (ID: 26292)

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When they are placed in the same container, oil and water do NOT mix because
a) they are both polar.
b) they are both nonpolar.
c) water is polar and oil is nonpolar.
d) water is nonpolar and oil is polar.

Which of the following is NOT an organic molecule?
a) carbohydrate
b) water
c) lipid
d) nucleic acid

The building block of organic compounds contain the element
a) carbon
b) calcium
c) sodium
d) nitrogen

Which of the following is an example of a carbohydrate?
a) amino acids
b) fats
c) nucleotides
d) sugars

Polysaccharides are
a) carbohydrates
b) lipids
c) proteins
d) nucleic acids

Plants store glucose in the form of
a) starch
b) glycogen
c) cellulose
d) chitin

Which of the following is a carbohydrate?
a) ATP
b) steroid
c) wax
d) sucrose

Lipids are
a) soluble in water.
b) made of chains of amino acids.
c) linked together with peptide bonds
d) used by the body for storing energy

All of the following are examples of lipids except
a) oil
b) starch
c) wax
d) steroids

Which molecules are most closely related to lipids?
a) amino acids
b) long chains of carbon and hydrogen
c) nucleotides
d) sugars

Which of the following molecules are most closely related to proteins?
a) amino acids
b) sugars
c) glycerol
d) nucleotides

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