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Macromolecules and Polymers Quiz

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Questions and Answers

What are macromolecules?

Polymers made out of monomers

Small organic molecules that make up all living things

Large organic molecules that make up all living things (correct)

Complex structures made of sugars and starches

How are most macromolecules structured?

As sugars and starches

As larger, more complex structures made of monomers (correct)

As small, basic sub-units

As individual fatty acids

What is the main function of carbohydrates?

Energy storage (short-term) (correct)

Structure, transport, and signaling

Energy storage (long-term)

Insulation, protection, and structure

What is the main function of lipids?

Insulation, protection, and structure Signup and view all the answers

What is the structure of a phospholipid?

2 fatty acids + 1 phosphate Signup and view all the answers

How much energy is stored in lipids per gram?

9 calories Signup and view all the answers

What is the main function of proteins?

Transporting substances in and out of the cell Signup and view all the answers

What is the main function of nucleic acids?

Storing, transmitting, and expressing genetic information Signup and view all the answers

What determines the function of a protein?

The shape of the protein Signup and view all the answers

What is the role of enzymes in metabolic reactions?

Speeding up biochemical reactions by lowering the activation energy Signup and view all the answers

Which factor can change the rate of a chemical reaction?

Temperature Signup and view all the answers

According to the cell theory, where do all cells come from?

Other cells Signup and view all the answers

In which macromolecule are monomers called nucleotides?

Nucleic acids Signup and view all the answers

What type of reaction releases energy?

'Exothermic' Signup and view all the answers

What is the role of antibodies in the body?

Helping the immune system fight diseases Signup and view all the answers

What is the main function of hormones?

Regulating cell processes Signup and view all the answers