Podcast
Questions and Answers
Match the following elements with their presence as essential elements in the human body:
Match the following elements with their presence as essential elements in the human body:
Sulphur = Essential for the survival of organisms Phosphorous = Essential for the survival of organisms Sodium = Essential for the survival of organisms Potassium = Essential for the survival of organisms
Match the following categories of compounds with their composition:
Match the following categories of compounds with their composition:
Organic compounds = Contain carbon Inorganic compounds = Do not contain carbon Biological molecules = Build up living matter Water, minerals and gasses = Essential for the maintenance of life
Match the following biological molecules with their types:
Match the following biological molecules with their types:
Carbohydrates = Type of biological molecule Proteins = Type of biological molecule Lipids = Type of biological molecule Nucleic acids = Type of biological molecule
Match the following percentages with their main elements in the human body (mass basis):
Match the following percentages with their main elements in the human body (mass basis):
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Match the following compounds with their classifications:
Match the following compounds with their classifications:
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Study Notes
Elements Essential in the Human Body
- Carbon, Oxygen, Nitrogen, and Hydrogen are essential elements in the human body
Categories of Compounds by Composition
- Carbohydrates: composed of Carbon, Hydrogen, and Oxygen
- Proteins: composed of Carbon, Hydrogen, Oxygen, and Nitrogen
- Nucleic Acids: composed of Carbon, Hydrogen, Oxygen, Nitrogen, and Phosphorus
Biological Molecules by Type
- Carbohydrates: examples include sugars, starches, and fibers
- Proteins: examples include enzymes, hormones, and structural components
- Nucleic Acids: examples include DNA and RNA
Main Elements in the Human Body by Percentage (Mass Basis)
- Oxygen: approximately 65% of the human body's mass
- Carbon: approximately 18% of the human body's mass
- Hydrogen: approximately 10% of the human body's mass
- Nitrogen: approximately 3% of the human body's mass
Compounds by Classification
- Inorganic compounds: include water, salts, and minerals
- Organic compounds: include carbohydrates, proteins, and nucleic acids
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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.
