Biochemistry Review

What is the name of the bond that holds water molecules together?

• peptide

• ionic

• hydrogen

• catalyst

What is enzyme specificity?

• enzymes can only bind with one substrate

• enzymes can be used over and over

• enzymes can bind with multiple substrates

• enzymes are polar

What do enzymes do to chemical reactions?

• slow them down

• allow them to take place outside the body

• speed them up

• denature them

The function of nucleic acids contained in the body is to

• directing synthesis of proteins necessary for cell function

• producing inorganic molecules needed for cell growth

• disrupting mitosis and amino acids

• forming a variety of gametes that will pass on information

Which group of molecules are used to make proteins?

• carbohydrates

• amino acids

• lipids

• minerals

Which compound lowers the activation energy for a chemical reaction?

• carbohydrate

• enzyme

• lipid

• nucleic acid

Which of the following describes monosachharides?

• they are responsible for lowering activation energy for chemical reactions

• they are simple proteins composed of H, N, and C

• they are the main molecule used as fuel for cellular work

• they are polymers that are broken down into simpler monomers

When an enzyme seems to be working the best at a given temperature, we call that

• the awesome temperature

• the optimal temperature

• the enzymatic temperature

• the chemical temperature

Most enzymes work best at what temperature?

• 32 degrees F

• 0 degrees C

• 98 degrees F

• 40 degrees F

Which of the following is a plant cell least likely to do with simple sugars

• use them for fuel

• break them down in to Carbon Dioxide and water

• link them together to form proteins

• store them in the form of starch