Medical Quiz

Enzymes and ATP Structure Quiz


a reaction that absorbs heat energy

A. exothermic reaction

B. catabolic reaction

C. spontaneous reaction

D. endothermic reaction

Model that describes how enzymes and substrates fit together based on their specific shapes like a key fits a lock

A. Like a puzzle piece fits a jigsaw

B. Peanut Butter and Jelly Model

C. Lock and Key model

D. Like a square peg fits a round hole

an energy-carrying molecule that carries/stores energy for cell functions.



C. Glucose

D. Ribosome

Enzyme’s active site gets deformed and loses its specific shape. Caused by environmental changes like: extreme changes in pH, temperature

A. Denaturation

B. Genetic mutations

C. Lack of substrate

D. Enzyme overproduction

substances that speed up reactions without being permanently altered

A. reactants

B. solvents

C. inhibitors

D. catalysts

The amount of energy needed to make a chemical reaction start

A. Inhibition energy

B. Reaction energy

C. Activation energy

D. Catalytic energy

portion of ATP whose bonds store energy

A. Carbon bonds

B. Nitrogen bonds

C. Phosphate bonds

D. Hydrogen bonds

The breaking and forming of bonds between different substances during chemical changes

A. Physical reaction

B. Chemical reaction

C. Biological reaction

D. Emotional reaction

The part of an enzyme where the substrate binds

A. active site

B. inactive site

C. passive site

D. resting site

proteins that speed up biochemical reactions by lowering the activation energy.

A. Enzymes

B. Carbohydrates

C. Lipids

D. Nucleic acids

A component of nucleic acids, energy-carrying molecules such as ATP.


B. Adenine

C. Glucose

D. Protein

specific pH where enzymes work the BEST

A. Optimal pH

B. Random pH

C. Neutral pH

D. Extreme pH

All of the chemical reactions within each cell of an organism

A. metabolism

B. digestion

C. respiration

D. photosynthesis

Temperature at which an enzyme works the best

A. Extreme temperature

B. Suboptimal temperature

C. Random temperature

D. Optimal temperature

A reaction that releases energy in the form of heat

A. endothermic reaction

B. photosynthesis

C. combustion reaction

D. exothermic reaction

macromolecule that contains carbon, hydrogen, oxygen, and nitrogen; enzymes are this

A. Carbohydrate

B. Lipid

C. Protein

D. Vitamin

building blocks of proteins

A. Amino acids

B. Nucleic acids

C. Carbohydrates

D. Lipids

substances that are made by a chemical reaction

A. Ingredients

B. Products

C. Components

D. Byproducts

sugar component of ATP.

A. sucrose

B. fructose

C. ribose

D. glucose


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