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Small Molecules in Cells Quiz

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Questions and Answers

Which type of bonds join the monomeric subunits in proteins, nucleic acids, and polysaccharides?

Van der Waals forces

Ionic bonds

Hydrogen bonds

Covalent bonds (correct)

What are the four most abundant elements in living organisms?

Sodium, potassium, calcium, magnesium

Carbon, oxygen, nitrogen, hydrogen (correct)

Phosphorus, sulfur, chlorine, iodine

Iron, zinc, copper, manganese

Which of the following is NOT one of the five components of membrane lipids?

Fatty acids

Phosphoric acid

Nitrogenous bases (correct)

Glycerol

What is the parent sugar from which most carbohydrates are derived?

D-glucose Signup and view all the answers

Which of the following is true about supramolecular complexes?

They are held together by covalent bonds. Signup and view all the answers

Which chemical element is essential for all living organisms?

Nitrogen Signup and view all the answers

What is the role of purifying an individual chemical component from a living organism?

To characterize its structural and chemical characteristics Signup and view all the answers

How are macromolecules held together in supramolecular complexes?

By noncovalent interactions Signup and view all the answers

What kind of interactions hold macromolecules together in supramolecular complexes?

Noncovalent interactions Signup and view all the answers

What functional group do alcohols contain?

Hydroxyl groups Signup and view all the answers

Which functional group is present in amines?

Amino groups Signup and view all the answers

What type of functional group do aldehydes and ketones have?

Carbonyl groups Signup and view all the answers

What functional group is found in carboxylic acids?

Carboxyl groups Signup and view all the answers

What types of structures can covalently linked carbon atoms in biomolecules form?

Linear chains, branched chains, and cyclic structures Signup and view all the answers