Starches are of _ types.
Correct answer: B. Two
- A. One
- B. Two
- C. Three
- D. Four
Explanation
Starches consist of two major types: amylose and amylopectin. Amylose is characterized by a linear chain of glucose molecules, while amylopectin is distinguished by its highly branched structure. These two components play a critical role in determining the properties and functionality of starch. The options suggesting one, three, or four types are incorrect because they do not align with the scientific classification of starch.
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The chapter covers water's polarity and biological roles, carbohydrates, lipids, proteins and nucleic acids, including their monomers, bonds, structures and functions. It also distinguishes RNA from DNA and explains conjugated molecules such as glycoproteins, glycolipids and nucleoproteins, which combine organic molecules with a non-protein component.
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