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Organic And Biological Chemistry

7th Edition
STOKER + 1 other
ISBN: 9781305081079

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BuyFindarrow_forward

Organic And Biological Chemistry

7th Edition
STOKER + 1 other
ISBN: 9781305081079
Textbook Problem

Indicate whether each of the following statements concerning human body composition, in terms of mass percent, is true or false.

  1. a. Bioorganic substances are slightly more abundant than bioinorganic substances.
  2. b. Bioinorganic substances are much more abundant than bioorganic substances.

(a)

Interpretation Introduction

Interpretation: The given statement that bioorganic substances are slightly more abundant than bioinorganic substances concerning human body composition, in terms of mass percent has to be validated.

Concept introduction: The chemical substance found in the living organism is called biochemical substance.  The biochemical substance is further subdivided into bioinorganic substance and bioorganic substance.  Bioinorganic substances do not contain carbon, for example water and inorganic salts.  On the other hand bioorganic substances contain carbon, for example lipids and carbohydrates.

Answer

The statement, bioorganic substances are slightly more abundant than bioinorganic substances concerning human body composition, in terms of mass percent is false.

Explanation

It is usually misconcepted that the human body contains a major part of the organic substances.  The human body has only one-fourth by mass of the organic substances i.e. the carbon contatining substances like the lipids, carbohydrates, nucleic acids while the human body has 70 % of the water, i.e two-third by mass of the body consists of inorganic substances.

Therefore, bioorganic substances are not slightly more abundant than bioinorganic substances.

(b)

Interpretation Introduction

Interpretation: The given statement that bioinorganic substances are much more abundant than bioorganic substances concerning human body composition, in terms of mass percent has to be validated.

Concept introduction: The chemical substance found in the living organism is called biochemical substance.  The biochemical substance is further subdivided into bioinorganic substance and bioorganic substance.  Bioinorganic substances do not contain carbon, for example water and inorganic salts.  On the other hand bioorganic substances contain carbon, for example lipids and carbohydrates.

Answer

The statement, bioinorganic substances are much more abundant than bioorganic substances concerning human body composition, in terms of mass percent is true.

Explanation

It is usually misconcepted that the human body contains a major part of the organic substances.  The human body only has one-fourth by mass of the organic substances i.e. the carbon contatining substances like the lipids, carbohydrates, nucleic acids while the human body has 70 % of the water, i.e two-third by mass of the body consists of inorganic substances.

Therefore, bioinorganic substances are much more abundant than bioorganic substances.

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