Protein and Enzymes Test

What is the monomer of a protein?

• Amino Acid
• Nucleic Acid
• Monosaccharide
• Nucleotide

Tags

NGSS.HS-LS1-6

There are _____ different kinds of amino acids.

• 20
• 23
• 46
• 26

An enzyme is a type of

• protein
• carb
• lipid
• amino acid

Tags

NGSS.HS-LS1-1

The substance on which an enzyme acts is the -

• product

• substrate

• activation energy

• active site

Refer to the figure above. What temperature would be considered the optimum temperature for this enzyme's activity rate?

• 20 Degrees Celsius

• 60 Degrees Celsius

• 40 Degrees Celsius

• 30 Degrees Celsius

Tags

NGSS.HS-PS1-5

According to the graph, addition of the enzyme amylase causes the reaction to -

• slow down

• speed up

• take in heat

• give off heat

Tags

NGSS.HS-PS1-2

What can be concluded from this graph?

• The reactants have less energy than the products

• The enzyme is consumed during the course of the reaction

• The enzyme lowers the energy of activation for the reaction

• The amount of free energy produced in the reaction increases with an enzyme

Tags

NGSS.HS-PS1-5

What two factors can denature enzymes?

• pH & temperature

• temperature & concentration

• temperature & amount of substrate

• temperature & malleability

Enzymes help speed up reactions by lowering...?

• activation energy

• pH

• temperature

• thermal energy

What is a peptide bond?

• Bond that holds two amino acids together.
• A bond that holds hydrogen and oxygen molecules together.
• A bond that holds the phosphate group of one nucleotide and a sugar of a neighboring nucleotide.
• A bond that is formed by the sharing of electrons.