Biology Macromolecule Review

Front

What is the basic unit of structure and function for living organisms?

Back

cell

Front

The chemical formula for glucose is C₆H₁₂O₆. Which type of molecule is it?

Back

carbohydrate

Front

Which function is performed by a nucleic acids?

Back

store genetic information

Front

This macromolecule has been associated a great deal with muscle building and is often used during pre- and post workouts to replenish the body of the necessary nutrients it needs to promote increased muscle function and growth. Which macromolecule is made up of a chain of amino acids and allows the muscles to contract making body movement possible?

Back

proteins

Front

What type of macromolecule is D?

Back

protein

Front

A digestive enzyme released into the small intestines by the pancreas is used to break down proteins. According to the graph, which conclusion can be made about this digestive enzyme? Options: It functions most efficiently from pH 7.0 to pH 9.0, It will work best if pH levels increase above pH 10.0, It breaks down the most proteins between pH 1.0 and pH 5.0, It is effective at breaking down proteins from pH 1.0 to pH 10.0.

Back

It functions most efficiently from pH 7.0 to pH 9.0.

Front

The effect of temperature on the relative rate of enzyme activity is shown.

Which statement is a valid conclusion based on the information in the graph?

Options:

- The maximum rate of human respiration occurs at about 57°C.

- The maximum rate of human digestion occurs at about 45°C.

- Growth can be controlled by the action of an enzyme.

- Temperature can influence the action of an enzyme.

Back

Temperature can influence the action of an enzyme.

Front

Which of the following statements can be attributed to water's versatility as a SOLVENT?
- Frozen water floats on top of liquid water.
- Blood is able to flow through small vessels.
- Nutrients from food can dissolve into blood.
- An air bladder allows fish to regulate buoyancy in the water.

Back

Nutrients from food can dissolve into blood.

Front

Which of the following is not one of the four major classes of macromolecules? Lipids, Carbon, Protein, Carbohydrates, Nucleic Acid

Back

Carbon

Front

Which macromolecule is used as our main source of short-term energy?

Back

Carbohydrates