Intro. to Biology 2

What are the characteristics of life?

• Organization, metabolism, growth, adaptation, response to stimuli, reproduction, and homeostasis.

• Organization, metabolism, growth, adaptation, response to stimuli, and homeostasis.

• Organization, metabolism, growth, adaptation, response to stimuli, reproduction, and homeostasis.

• Organization, metabolism, growth, adaptation, response to stimuli, reproduction, and evolution.

What is surface tension?

• Pressure exerted by a liquid on its container.

• The ability of a liquid to flow easily.

• The force that holds the molecules of a liquid together.

• Force acting on the surface of a liquid

What is the term used to describe substances that are attracted to water?

• nonpolar

• hydrophilic

• lipophilic

• hydrophobic

What is the term used to describe substances that are repelled by water?

• hydrophilic

• water-loving

• hydroscopic

• hydrophobic

What are monomers?

• Large molecules that can break apart to form monomers.

• Small molecules that cannot form polymers.

• Small molecules that can join together to form polymers

• Complex molecules that are not involved in polymerization.

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What are polymers?

• Polymers are inorganic compounds made up of repeating subunits called monomers.

• Polymers are small molecules made up of repeating subunits called monomers.

• Polymers are only found in living organisms and are made up of repeating subunits called monomers.

• Polymers are large molecules made up of repeating subunits called monomers.

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What are macromolecules?

• Large molecules made up of smaller subunits called monomers

• Macromolecules are only found in living organisms.

• Macromolecules are not made up of smaller subunits.

• Small molecules made up of larger subunits called polymers.

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What are nucleic acids?

• Nucleic acids are macromolecules that store and transmit genetic information in living organisms.

• Nucleic acids are proteins that provide structure to cells.

• Nucleic acids are carbohydrates that provide energy to cells.

• Nucleic acids are lipids that help with cell signaling.

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What are enzymes?

• Enzymes are biological molecules that act as catalysts in chemical reactions.

• Enzymes are molecules that slow down chemical reactions.

• Enzymes are proteins that are only found in plants.

• Enzymes are inorganic substances that act as catalysts in chemical reactions.