Bio Study Quiz

Water is classified as an inorganic compound because it

• does not contain carbon
• does not contain nitrogen
• contains hydrogen
• contains oxygen

Which statement describes all enzymes?

• They control the transport of materials.
• They provide energy for chemical reactions.
• They affect the rate of chemical reactions.
• They absorb oxygen from the environment.

Base your answers on the graph and your knowledge of biology.
Neither enzyme works at a pH of

• 1
• 5
• 3
• 13

The distortion (change in shape) of enzyme molecules which occurs at high temperatures is known as

• synthesis
• specificity
• replication
• denaturation

The basic building blocks of a protein are

• glucose molecules
• amino acids
• hormones
• fats

In the reaction illustrated in the diagram below, which structure represents the enzyme?

• A
• B
• C
• D

In which type of molecule is the ratio of hydrogen to oxygen usually 2 to 1?

• lipid
• protein
• carbohydrate
• glycerol

Which group of organic molecules serve as long-term energy storage and make the cell membrane is?

• proteins
• carbohydrates
• lipids
• nucleic acids

Building blocks of polymers.

• monomer
• polypeptide
• monosaccharide
• glycerol

Which of the following binds to the active site of an enzyme? 

• substrate
• product
• codon
• none of the above