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The Chemistry of Life (PDF Document) | Grade 10 Life Sciences (Biology) R99,99
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The Chemistry of Life (PDF Document) | Grade 10 Life Sciences (Biology)

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A PDF Document summary for the Introduction of The Chemistry of Life including: - Levels of Organization - Inorganic Compounds - Water - Mineral Salts - Organic Compounds - Carbohydrates - Lipids - Proteins - Nucleic Acids - Vitamins

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  • March 19, 2023
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The Chemistry of Life

Levels of Organization




From Atom to Molecule
2H + O →
H O2


Compounds
Inorganic Organic

No Carbon (C), except for
Contain Carbon (C)
carbonates and carbon dioxide

Larger, more complex
Made up of smaller molecules
molecules



Inorganic


The Chemistry of Life 1

, Water
Water = life

Required for

Photosynthesis (plants)

Nutrition (animals)

Liquid medium for chemical reactions (both)

Mineral Salts
Required in plants and animals

Functions, growth and development

Macro elements = large quantities:

Sodium (Na)

Potassium (K)

Phosphorous (Ph)

Micro element = small quantities:

Iron (Fe0

Iodine (I)

Fertilizers
Plants = minerals in soil for crop production

Mass production = more fertile soil for continuous harvesting of plants

Before plants are re-planted, fertilizers added to soil


Fertilizers are important

Over-use of fertilizers → wash away into dams and rivers → high level
of nitrates and phosphates → rapid algae/plantae → eutrophication




The Chemistry of Life 2

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