Biology- Chemistry of Life Quiz

What is the monomer of a lipid?

• 
  Amino Acid

• Monosaccharides

• Fatty Acids

• Glucose

What is the function of carbohydrates?

• Short term energy

• Storing genetic information

• 
  Insulation

• Speeding up chemical reactions

What is the function of nucleic acids?

• Short Term Energy

• Long Term Energy

• Storing Genetic Information

• Speeding Up Chemical Reactions

Which of the following is NOT a macromolecule?

• Fiber

• Steroid

• Amino Acid

• Fructose

The diagram below shows the general structure of an amino acid. Which type of molecule is formed from amino acids?

• 
  lipids

• 
  proteins

• carbohydrates

• nucleic acids

Tags

NGSS.HS-LS1-1

RNA and DNA are which type of macromolecules?

• carbohydrate

• lipid

• nucleic acid

• protein

What will most likely happen if an appropriate enzyme is added to a chemical reaction?

• 
  The reaction rate will increase.

• 
  The reaction rate will decrease.

• The equilibrium of the reaction will be maintained.

• The reaction will stop.

The human body maintains a temperature of around 98.6 degrees at all times. Enzymes are involved in almost every chemical reaction in the body. Which of the following describes the connection between these two statements?

• Enzymes function best at a specific temperature.

• The body is kept relatively warm to prevent too much enzyme action.

• 
  

  The body needs to be warm to prevent hypothermia.

• There is no connection between the two statements.

Tags

NGSS.HS-LS1-3

You can consume DNA from other living organisms like veggies, fruits, meats.

• True

• False

Which of the following conclusions can be drawn from this graph?

• 
  The optimum pH of the enzyme is 6.6.

• 
  The enzyme’s activity increases as pH increases 5.0 to 9.0

• 
  The optimum pH of the enzyme is 5.8

• The enzyme’s activity is greater around pH of 8.0