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Unformatted text preview: nzymes
a . function by raising activation
energy required for reactions.
b. are protein molecules that act as
c. can be used again after a reaction.
d. b and c 12. Which of these statements is true?
a . There are 12 basic types of amino
acids in proteins.
b. Eight essential amino acids can
be produced by the human body.
c. Amino acids are arranged in the
same order in all proteins.
d. Hydrogen bonds produce folds or
coils in an amino acid chain.
e. Shape of proteins does not affect
their function. 14. Which of these concepts is directly
related to the shape of a protein?
a . lock and key model of enzymes
c. hydrogen bonds form between
d. enzymes are specific for the
reactions they control
e. all of the above ✰ 15. DNA
a . is the genetic material of the
b. is a single strand of nucleotides.
c. contains the sugar ribose.
d. occurs in three different types.
e. all of the above ✰ F INAL CHALLENGES
Use a separate sheet of paper to complete this section. 1. You...
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This document was uploaded on 03/27/2014.
- Spring '14