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Science Notes 10-3rd Grading: Biomolecules and Chemical Reactions

12 Questions

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Science Notes 10-3rd Grading: Biomolecules and Chemical Reactions

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Questions and Answers

What biomolecule is made of amino acids and includes examples like albumin, hemoglobin, and immunoglobulin?

Carbohydrates

Proteins (correct)

Lipids

Nucleic Acids

Which type of chemical reaction involves two or more reactants combining to form one product?

Double Replacement

Single Replacement

Decomposition

Synthesis/Combination (correct)

What type of chemical reaction involves a substance reacting with oxygen gas and releasing energy in the form of light and heat?

Double Replacement

Combustion (correct)

Single Replacement

Decomposition

Which evidence indicates that a chemical reaction took place when a substance reacts with oxygen?

Emission of light Signup and view all the answers

What law states that mass is neither created nor destroyed during a chemical reaction?

Law of Conservation of Mass Signup and view all the answers

What is the method used for balancing chemical equations that involves counting atoms on each side and adjusting coefficients?

Inspection Method Signup and view all the answers

What is the main function of carbohydrates in living organisms?

Provide glucose for energy Signup and view all the answers

Which of the following is NOT a class of carbohydrates?

Triglycerides Signup and view all the answers

What is the main role of lipids in organisms?

Source and storage of energy Signup and view all the answers

Which type of lipids form a protective layer in plants and animals?

Waxes Signup and view all the answers

What elements are proteins mainly composed of?

Carbon, Hydrogen, Oxygen, Nitrogen, Sulfur Signup and view all the answers

Which type of proteins are required for the structure, function, and regulation of the body's tissues and organs?

Fibrous proteins Signup and view all the answers