Biochemistry

Multiple Choice

Which of the following is an example of an inorganic compound essential to life?

• Glucose

• Water

• DNA

• Protein

Open Ended

Why are inorganic compounds like water and carbon dioxide significant for life, even though they are not only found in living things?

Multiple Choice

What property of water makes it an excellent solvent and temperature regulator?

• Its polarity and ability to form four bonds

• Its high density

• Its low boiling point

• Its colorless nature

Multiple Choice

Which three elements are found in all organic compounds produced by living things?

• Carbon, Hydrogen, Oxygen

• Nitrogen, Oxygen, Sulfur

• Phosphorus, Carbon, Hydrogen

• Calcium, Carbon, Nitrogen

Fill in the Blank

Carbohydrates contain carbon, hydrogen, and oxygen in a ___:2:1 ratio.

Open Ended

Explain how the structure of carbohydrates relates to their function in living organisms.

Multiple Select

Which of the following are examples of polysaccharides?

• Starch

• Glycogen

• Sucrose

• Cellulose

Open Ended

Describe the difference between dehydration synthesis and hydrolysis in the formation and breakdown of carbohydrates.

Multiple Choice

Which of the following is NOT a function of lipids?

• Energy storage

• Insulation

• Catalyst

• Water proofing

Multiple Select

Which of the following statements about saturated and unsaturated fats are correct?

• Saturated fats have only single carbon-carbon bonds.

• Unsaturated fats have at least one double carbon-carbon bond.

• Saturated fats have fewer hydrogen atoms than unsaturated fats.

• Unsaturated fats have fewer hydrogen atoms than saturated fats.

Fill in the Blank

Proteins are made up of monomers called ___.

Multiple Choice

Which of the following is NOT an essential function of proteins?

• Catalyst

• Water proofing

• Transport

• Defense

Open Ended

Explain the difference between primary, secondary, and tertiary/quaternary protein structures and how they relate to protein function.

Open Ended

Describe the consequences of protein folding incorrectly and provide examples of diseases associated with this problem.

Multiple Choice

Which elements are found in nucleic acids, and what is their primary function?

• C, H, O, N, PH; contains the genetic code

• C, H, O, S; stores energy

• C, H, O, N, S; provides structure

• C, H, O, N, PH; stores energy

Fill in the Blank

In DNA, adenine pairs with ___ and cytosine pairs with ___.

Open Ended

How do inorganic compounds contribute to the structure and function of living organisms?

Multiple Choice

What is an example of an inorganic compound that is essential to life but not necessarily found only in living things?

• Water

• Glucose

• DNA

• Protein