Concept explainers
Introduction:
Generally, four basic kinds of biological macromolecules are available in biological system. These molecules made up of different monomers and serve diverse functions and identified as carbohydrates, lipids, proteins and

Answer to Problem 1E
Solution:
Correct answer is option (b) phospholipids.
Explanation of Solution
Explanation/justification for the correct answer:
Option (b) phospholipid. Generally, phospholipid molecules consist of hydrophilic head consisting of a phosphate group and two hydrophobic fatty acid tails. Phospholipids are a type of lipids and component of all cell membranes; they are capable to make lipid bilayers on plasma membrane due to its amphiphilic characteristic. Hence, option (b) phospholipid is not a polymer and it is a correct answer.
Explanation for incorrect answer:
Option (a) polysaccharide. Biological
Option (c) Proteins, Proteins are composed of monomers which known as amino acid. Due to variably in amino acid sequences and its conformation they exhibit variety of functions such as transportation of molecules and muscle movement. So, this is an incorrect answer.
Option (d) nucleic acids , nucleic acids molecules consist of
Polymer is a complex structure that consists of monomers of bimolecul. They play verity of function for survival and maintains of cells. Hence, phospholipid is not made up of monomer unit of lipid and not polymer, the correct answer is option (b).
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Chapter 2 Solutions
PRINCIPLES OF HUMAN PHYSIOLOGY (LCPO)
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