Macromolecules, Chemical Indicators, and Parts of a Line Graph

What is the definition of a Monomer?

• A small building block molecule that can join with others to form larger structures.

• A type of large molecule made up of many repeating units.

• A molecule that cannot bond with other molecules.

• A substance that speeds up chemical reactions in cells.

Which of the following is an example of a Monomer?

• Enzymes that speed up chemical reactions

• Glucose, a simple sugar that links to create complex carbohydrates like starch

• Oils and fats that are crucial for insulation

• DNA that contains genetic information

What is a Polymer?

• A large molecule made of many smaller, repeating units (monomers) linked together.

• A type of small molecule that cannot bond with others.

• A single atom with unique properties.

• A gas that forms only at high temperatures.

Proteins are essential polymers built from chains of ________.

• amino acid monomers

• fatty acid monomers

• nucleotide monomers

• sugar monomers

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What is the definition of a Carbohydrate?

• An organic compound like sugar or starch that provides energy to living things.

• A type of mineral found in rocks and soil.

• A protein that helps build muscle tissue.

• A gas that is essential for breathing.

Athletes often eat pasta, a complex ________, for sustained energy during a race.

• carbohydrate

• protein

• vitamin

• fat

What is a Lipid?

• A fatty or oily compound that stores energy and forms cell membranes.

• A type of carbohydrate that provides quick energy.

• A protein that speeds up chemical reactions.

• A nucleic acid that stores genetic information.

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Oils and fats are ________ that are crucial for insulation and energy storage in animals.

• lipids

• proteins

• carbohydrates

• nucleic acids

What is the definition of a Protein?

• A complex polymer made of amino acids, essential for structure and function in organisms.

• A simple sugar used for quick energy in cells.

• A type of nucleic acid that stores genetic information.

• A lipid molecule that forms cell membranes.

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Enzymes are ________ that speed up chemical reactions in the body.

• proteins

• carbohydrates

• lipids

• nucleic acids

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