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PART I
Answer All 59 questions in this part. (65)
1 Enzyme molecules are produced by the life function known as
1 egestion
3 growth
2 respiration 4 synthesis
2 Which classification category contains the greatest number of
different
types of organisms?
1
kingdom 3 genus
2 phylum 4 species
What percentage of the human body is composed of inorganic
material?
(1) 25%
(3) 68%
(2) 32% (4) 74%
4 The equations below represent two biochemical processes, A
and B.
Equations
(A) glucose + glucose → maltose +
water
(B) amino acid + amino acid → dipeptide + water
Which statement about processes A and B is correct?
1 Process A requires energy, but
process B does not
2 Process B requires enzymes, but process A does not.
3 Processes A and B are examples of hydrolysis.
4 Processes A and B are examples of dehydration synthesis.
5 In a changing external environment, an organism must be able
to
maintain relatively constant internal conditions. This maintenance
of a
stable internal environment is known as
1
transport
3 homeostasis
2
metabolism
4 nutrition
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