LS 1.5 Vocab Quiz- Enzymes and Their Functions

What is the function of enzymes?

• Speed up chemical reactions by lowering the activation energy

• Slow down reactions

• Provide energy

• Store information

Tags

NGSS.HS-PS1-2

Enzymes speed up chemical reactions by ______ the activation energy.

• Lowering

• Increasing

• Neutralizing

• Ignoring

Where does the substrate bind on an enzyme?

• Active site

• Inactive site

• Protein core

• Lipid layer

Enzymes are made of

• Proteins

• Carbohydrates

• Lipids

• Nucleic acids

Tags

NGSS.HS-LS1-1

Enzymes act as ______ in chemical reactions.

• Catalysts

• Inhibitors

• Reactants

• Products

What is a substrate?

• A molecule that speeds up reactions

• A chemical upon which an enzyme acts

• A protein that binds to DNA

• A type of lipid.

Fill in the blank: An enzyme-substrate complex is a ______ formed when an enzyme binds to a substrate.

• molecule

• atom

• ion

• cell

What does enzyme specificity mean?

• Enzymes can bind to any substrate

• Enzymes can only bind to specific substrates

• Enzymes are not specific

• Enzymes can change their shape.

How are enzymes typically named?

• They end in '-ase'

• They start with 'enz-'

• They have random names

• They end in '-ose'.

Activation energy is ____.

• The amount of energy needed to start a reaction

• The speed of a reaction

• The energy released by a reaction

• The temperature at which a reaction occurs.