Enzymes Question Preview (ID: 41097)

a) The enzyme and substrate have to fit together like a puzzle piece

b) The smaller the shapes the quicker the reaction takes place

c) Certain shapes do not work

d) It is not important

a) Enzymes act as products to create new chemical reactions

b) Enzymes act as substrates when the necessary proteins are unavailable

c) Enzymes bond with substrates to create the new reaction products

d) Enzymes act as catalysts to drive chemical reactions forward.

a) pH and Temp

b) pH and lipids

c) Temperature and lipids

d) Temperature and light

a) Without them we couldn't get the water we need

b) Without them reactions would be too slow

c) Without them reactions would be too fast

d) Enzymes are not needed.

a) -ose

b) -ase

c) -ise

d) -ide

a) A substrate is required to open an enzyme

b) Many enzymes fit into one enzyme

c) Shape matters, and only one substrate fits one enzyme

d) Enzymes have to have the shape shape as their substrate

a) Lowering the activation energy needed to start a reaction

b) Increasing the energy of a reaction

c) Increasing the amount of reactants to a chemical reaction

d) Increasing the activation energy

a) The energy source for a reaction

b) A molecule that inhibits a reaction

c) The molecule that is created from an enzyme reaction

d) The molecule that an enzyme works on

a) Lipids

b) Proteins

c) Carbohydrates

d) Nucleic Acids

a) The total energy released from a chemical reaction

b) The total energy stored in a chemical reaction

c) The amount of energy required to start a reaction

d) The energy needed to activate an enzyme