Principles of Human Physiology (6th Edition)
Principles of Human Physiology (6th Edition)
6th Edition
ISBN: 9780134169804
Author: Cindy L. Stanfield
Publisher: PEARSON
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Chapter 2, Problem 1E
Summary Introduction

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 nucleic acids.

Expert Solution & Answer
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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 polymers are made up of individual smaller molecules are called monomers. Polysaccharide molecules composed of sugar monomers and its monomers are known as monosaccharide.

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 nucleotide monomers which linked together and make a polynucleotide chains. Nucleic acids are two types as DNA and RNA . These molecules help in protein synthesis and transfer genetic information from one generation to the next generation. So, this is an incorrect answer.

Conclusion

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 (6th Edition)

Ch. 2.2 - Prob. 2.2.4QCCh. 2.4 - Prob. 2.3.1QCCh. 2.4 - Describe the role of transmembrane proteins in the...Ch. 2.5 - Why is only maternal mitochondrial DNA passed to...Ch. 2.5 - How can mDNA. Be used to determine ancestry? Ch. 2.5 - What are some diseases related to genetic...Ch. 2.5 - Define transcription and translation. Where in...Ch. 2.5 - Describe the functions of RNA polymerase in...Ch. 2.5 - What is the name of the first of a polypeptide...Ch. 2.5 - Prob. 1aCTQCh. 2.5 - Why would preventing the larger ribosomal subunit...Ch. 2.5 - If ricin B induced exocytosis rather than...Ch. 2.6 - Explain why and how a mutation in a...Ch. 2.6 - Which characteristic(s) of cancer cells are...Ch. 2.6 - Prob. 3CTQCh. 2.6 - Prob. 2.5.1QCCh. 2.6 - Name the five stages of mitosis. During which...Ch. 2 - Prob. 1ECh. 2 - Prob. 2ECh. 2 - Which of the following molecules is not a...Ch. 2 - Hydrogen bonding between the amino hydrogen of one...Ch. 2 - Which of the following nucleic acids is not a...Ch. 2 - Prob. 6ECh. 2 - Prob. 7ECh. 2 - Prob. 8ECh. 2 - Prob. 9ECh. 2 - Prob. 10ECh. 2 - Prob. 11ECh. 2 - Prob. 12ECh. 2 - Prob. 13ECh. 2 - During which phase of mitosis is the mitotic...Ch. 2 - During which phase of mitosis do the chromosome...Ch. 2 - Monosaccharides are (polar/nonpolar/amphipathic)...Ch. 2 - Triglycerides are (polar/nonpolar/amphipathic)...Ch. 2 - Prob. 18ECh. 2 - Prob. 19ECh. 2 - Prob. 20ECh. 2 - Prob. 21ECh. 2 - Prob. 22ECh. 2 - Prob. 23ECh. 2 - Prob. 24ECh. 2 - Prob. 25ECh. 2 - Prob. 26ECh. 2 - The first section of a polypeptide to be...Ch. 2 - Replication of DNA occurs during...Ch. 2 - Division of the cytoplasm into two daughter...Ch. 2 - Prob. 30ECh. 2 - Prob. 31ECh. 2 - Prob. 32ECh. 2 - Describe the structure of the plasma membrane....Ch. 2 - Prob. 34ECh. 2 - Prob. 35ECh. 2 - Prob. 36ECh. 2 - Prob. 37ECh. 2 - Prob. 38ECh. 2 - Draw a flowchart showing the synthesis of...Ch. 2 - Plasma, which is the fluid portion of blood, is...Ch. 2 - Name some factors that cause cancer and potential...Ch. 2 - Prob. 42ECh. 2 - Prob. 43ECh. 2 - Prob. 44E
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