Biological Concepts Review

Which of the following is NOT characteristic of living things?

• Living things are composed of cells.
• Living things move.
• Living things obtain and use energy to grow and reproduce.
• Living things are based off a universal genetic code.

Which of the following is characteristic of living things?

• Living things maintain homeostasis.*
• Living things breathe air.
• Living things are photosynthetic.
• Living things are heterotrophic.

All of the following are characteristics of living things EXCEPT:

• They grow.
• They all produce diseases.
• They all reproduce.
• They all metabolize.
• They all react to the external environment in some way.

Which of the following best describes organic compounds?

• Organic compounds contain C, O, and H atoms.
• Organic compounds are all compounds that contain C atoms.
• Organic compounds are only found in nature.
• Organic compounds are only found in the ocean.

6. Which of these is NOT an organic compound?

• water
• sugars
• proteins
• lipids
• nucleic acids

Which of the following is an example of an organic compound?

• H2SO4
• NH4
• C6H12O6
• NaCl

Which of the following is an example of an organic compound?

• carbohydrates
• protein
• nucles acids
• All of the answers are correct.

Which of the following best describes the function of an enzyme?

• Enzymes act as biological catalysts.
• Enzymes speed up the rate of chemical reactions.
• Both the answers are correct.*
• Neither of the answers are correct.

Which of the following macromolecules can act as enzymes?

• carbohydrates
• nucleic acids
• proteins
• lipids

Which of the following is a function of carbohydrates?

• energy storage
• structural support
• Neither answer is correct.
• Both answers are correct.