BSCS Biology: A Molecular Approach

Chapter 1: The Chemistry of Life

Biochemistry

1.
All organic compounds contain which element?
A)hydrogen
B)carbon
C)helium
D)oxygen
2.
Sucrose, or table sugar, is what kind of carbohydrate?
A)a disaccharide
B)a polysaccharide
C)an amino acid
D)a monosaccharide
3.
In a protein, the folding or twisting of a chain of amino acids into a beta sheet or alpha helix, as shown in the illustration, is known as what type of structure?

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A)secondary
B)primary
C)tertiary
D)quaternary
4.
Which of the following is a primary function of a lipid?
A)To deliver messages between cells.
B)To assist in chemical reactions within cells.
C)To transport oxygen through the body.
D)To provide long-term storage of energy.
5.
____ are macromolecules that are the source of genetic information in chromosomes.
A)amino acids
B)lipids
C)glycerols
D)nucleic acids
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