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Biomolecules 101

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Questions and Answers

Which elements are the four most abundant in living organisms?

Carbon, hydrogen, nitrogen, oxygen

Hydrogen, oxygen, nitrogen, carbon (correct)

Hydrogen, oxygen, nitrogen, phosphorus

Carbon, hydrogen, nitrogen, phosphorus

What is the primary composition of biomolecules?

Phosphorus compounds

Sulfur compounds

Carbon compounds (correct)

Nitrogen compounds

What type of bonding allows the formation of a large number of compounds in biomolecules?

Hydrogen bonding

Covalent bonding (correct)

Metallic bonding

Ionic bonding

How many naturally occurring chemical elements are found in biomolecules?

Around 25 Signup and view all the answers

What are biomolecules?

Organic molecules produced by living organisms Signup and view all the answers

Which type of biomolecule is characterized by the presence of hydroxyl groups?

Alcohols Signup and view all the answers

What functional group is present in carboxylic acids?

Carbonyl groups Signup and view all the answers

Which biomolecules are considered polyfunctional?

Carboxylic acids Signup and view all the answers

Which type of biomolecule accounts for more than one-half the dry weight of cells?

Carbon compounds Signup and view all the answers

Which families of organic compounds have carbonyl groups?

Aldehydes and ketones Signup and view all the answers