Unit 2 Test 1 Remedation

Match

Match the macromolecule with it's appropriate function.

• Carbohydrates

• Proteins

• Lipids

• Nucleic Acids

Provide useable chemical energy for cell

Important for muscle contractions

Provide LONG term energy

Store and transmit genetic information

• Provide useable chemical energy for cell

• Important for muscle contractions

• Provide LONG term energy

• Store and transmit genetic information

Multiple Choice

Which macromolecule is incorrectly matched with it's function.

• Nucleic Acids
• Lipids
• Carbohydrates
• Proteins

Multiple Choice

Which biological molecule transports substances, speeds up reactions, makes hormones, and provides structural support?

• Proteins
• Lipids
• Nucleic acids
• Carbohydrates

Multiple Choice

What are the TWO nucleic acid polymers the contain genetic information for cells?

• DNA and RNA
• Glucose and Fructose
• Carbohydrates and Fats
• Proteins and Lipids

Multiple Select

Select the TWO types of carbohydrates found in all living organisms.

• Sugar

• Starch

• Fats

• Glycerol

Multiple Choice

Carbon, hydrogen, and oxygen are found in all biological macromolecules. Which macromolecules are made ONLY of these elements.

• Lipids, Nucleic Acids, and Proteins

• Proteins, Carbohydrates, and Lipids

• Carbohydrates only

• Carbohydrates and Lipids

Multiple Choice

The graph shows the effect of temperature on the relative rate of enzyme activity. At what temperature is the enzyme completely denatured?

• 0^o

• 40^o

• 60^o

Multiple Choice

Which of the following statements about enzymes is NOT true?

• Acids can denature enzymes.

• High temperatures can denature enzymes.

• Enzymes can only be used once and then are destroyed.

• Enzymes only act on a specific substrate.

Multiple Choice

The diagram shows an enzyme and four other molecules. Which substrate complements this enzyme?

• A

• B

• C

• D