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Questions and Answers
Which elements are the most common in the living body?
What are the two categories of chemical compounds that build up living matter?
Which compounds are known as organic compounds?
What are the four types of biological molecules mentioned in the text?
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What are some examples of inorganic molecules essential for the maintenance of life?
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Study Notes
Elements in the Living Body
- Oxygen (O), carbon (C), hydrogen (H), and nitrogen (N) are the most common elements in the living body, making up about 99% of the body's mass.
Categories of Chemical Compounds
- The two categories of chemical compounds that build up living matter are organic and inorganic compounds.
Organic Compounds
- Organic compounds are molecules that contain carbon (C) and hydrogen (H) atoms, and may also contain oxygen (O), nitrogen (N), and other elements.
Biological Molecules
- The four types of biological molecules mentioned in the text are carbohydrates, proteins, lipids, and nucleic acids.
Inorganic Molecules
- Examples of inorganic molecules essential for the maintenance of life include water (H2O), salts, and minerals like calcium (Ca) and phosphorus (P).
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Description
Test your knowledge of the chemical basis of life with this Biology quiz. Explore the essential elements found in living organisms and their roles in biological processes. From carbon to oxygen, grasp the fundamental building blocks that form the basis of life.
