本题目来源于试卷: Interaction & Interdependence C.1 Enzymes & Metabolism，类别为 IB生物学
[单选题]
Which of the followid9o5e7re v uc,ng maco7u+wfmch 1 nmxq-) n0romolecules describe a typical enzyme?
A. Macromolecule is Protein, Type is Fibrous
B. Macromolecule is Lipid, Type is Hydrophobic
C. Macromolecule is Protein, Type is Globular
D. Macromolecule is Lipid, Type is Hydrophobic
参考答案: C
本题详细解析:
Almost all enzymes are globular proteins and differw-mp:bs m5uw0 from fibrous proteins in that they are sensitive to pH and temperature and are mostly water soluble.
Fibrous proteins (Choice A), unlike globular prote:wb pwsum5 -m0ins, are long and narrow, less sensitive to changes in pH and temperature and are generally insoluble in water. Enzymes are not lipids (Choices B, D). Enzymes tend to be hydrophilic, not hydrophobic since they are mostly soluble in water.
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