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Chemical Composition of Living Organisms

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Chemical Composition of Living Organisms

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Questions and Answers

Which elements are the most common in the human body?

Oxygen, Carbon, Hydrogen, Nitrogen

Carbon, Hydrogen, Oxygen & Nitrogen (correct)

Calcium, Magnesium, Iron, Chlorine

Sulphur, Phosphorous, Sodium, Potassium

What distinguishes organic compounds from inorganic compounds?

Organic compounds have more elements than inorganic compounds

Inorganic compounds contain Carbon; organic compounds do not

Organic compounds contain Carbon; inorganic compounds do not (correct)

Inorganic compounds have more forms than organic compounds

Which element is NOT listed as one of the most common elements in the human body?

Hydrogen

Oxygen

Sodium (correct)

Carbon

What type of compounds build up the living body?

Biological molecules Signup and view all the answers

What percentage of the human body is composed of Carbon according to diagram 1.1?

18% Signup and view all the answers

How are biological molecules classified?

Carbohydrates, Proteins, Lipids, Nucleic acids Signup and view all the answers

Chemical Composition of Living Organisms

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Podcast

Questions and Answers

Which elements are the most common in the human body?

What distinguishes organic compounds from inorganic compounds?

Which element is NOT listed as one of the most common elements in the human body?

What type of compounds build up the living body?

What percentage of the human body is composed of Carbon according to diagram 1.1?

How are biological molecules classified?

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