Chemical Reactions and Enzymes

Chemical Reactions and Enzymes

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Open Ended

How does your body break down the food you eat into pieces that can be used to build molecules you need to maintain homeostasis?

Multiple Choice

The substances present before the reaction happens are called...

• products

• reactants

• yields

Multiple Choice

The chemicals that are produced by a chemical reaction are called...

• products

• reactants

• yields

Multiple Select

In the chemical reaction shown, what are the reactants?

• CO2

• H2O

• CH4

• O2

Multiple Select

In the chemical reaction shown, what are the products?

• CO2

• H2O

• CH4

• O2

Multiple Choice

What is the term for the energy needed to start a chemical reaction?

• Ignition energy

• Installation energy

• Activation energy

Multiple Choice

Which type of reactions can occur spontaneously?

• energy releasing

• energy absorbing

Multiple Choice

A in the image is the...

• Enzyme

• Substrate

• Enzyme-substrate complex

• Products

• Active Site

Multiple Choice

B in the image is the...

• Enzyme

• Substrate

• Enzyme-substrate complex

• Products

• Active Site

Multiple Choice

C in the image is the...

• Enzyme

• Substrate

• Enzyme-substrate complex

• Products

• Active Site

Multiple Choice

D in the image is the...

• Enzyme

• Substrate

• Enzyme-substrate complex

• Products

• Active Site

Multiple Choice

E in the image is the...

• Enzyme

• Substrate

• Enzyme-substrate complex

• Products

• Active Site

Multiple Choice

Most enzymes are...

• carbohydrates

• lipids

• proteins

• nucleic acids

Multiple Choice

The substance that an enzyme binds to is called the...

• active site

• product

• substrate

Multiple Choice

Enzymes do what to chemical reactions?

• speed them up

• slow them down

• nothing

Multiple Choice

True or False? Enzymes are used up or destroyed during the chemical reaction.

• True

• False

• True and False

Multiple Choice

Which is true about lactose and lactase

• they are both sugars

• they are both enzymes

• lactose is the enzyme, lactase is the sugar

• lactase is the enzyme, lactose is the sugar

Multiple Choice

If enzymes are not subject to ideal pH and temperature conditions, they....

• untie

• default

• denature

• work better