Prelab 1.5 Enzymes: Toothpickase

Presentation

•

Science

•

12th Grade

•

Practice Problem

•

Hard

•

NGSS

HS-LS1-4, HS-PS1-4, HS-LS1-7

Standards-aligned

Kim Bathker

FREE Resource

2 Slides • 10 Questions

Toothpickase

AP Biology

Prelab

Our upcoming lab will investigate factors that influence enzyme activity. Enzymes are a little bit sensitive; their activity depends substantially on the environmental circumstances surrounding them.

Review some key terms related to enzymes and enzyme activity.

Pro tip: You can SCROLL down some drag and drop questions!

Drag and Drop

A(n)

is any chemical agent that speeds up a reaction without being consumed in the reaction. They belong to the

macromolecule group.

Drag these tiles and drop them in the correct blank above

enzyme

antibody

protein

carbohydrate

lipid

nucleic acid

Drag and Drop

Normally, the activation energy for a reaction is supplied in the form of

from the surroundings. In an enzymatic reaction, a(n)

binds to the active site of the enzyme, and the enzyme lowers the activation energy barrier.

Drag these tiles and drop them in the correct blank above

heat

substrate

light

oxygen

product

enzyme

amino acid

Multiple Select

Which of the following conditions might affect the activity of an enzyme?

Choose ALL that apply.

temperature

salt

enzyme concentration

substrate concentration

Match

Use the diagram to assign labels.

active site

enzyme

substrate

enzyme-substrate complex

products

Match

Use the diagram to assign labels.

change in free energy for the reaction

activation energy of the catalyzed reaction

activation energy of the uncatalyzed reaction

Multiple Select

Which of the following terms describe(s) this reaction?

Choose ALL that apply.

anabolic

catabolic

exergonic

endergonic

Drag and Drop

A dehydration synthesis reaction is

and

energy.

A hydrolysis reaction is

and

energy.

Drag these tiles and drop them in the correct blank above

anabolic

absorbs

catabolic

releases

Multiple Choice

Enzymes always return to their original state after a reaction.

True

False

Multiple Choice

An enzyme speeds up a chemical reaction in the cell but can only be used once. True or False?

True

False

Multiple Choice

In general, enzymes do NOT:

bind permanently to their substrates

have names ending in -ase

have their function changed with extremely high temperatures

react with a specific substrate

Toothpickase

AP Biology

Prelab

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