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Enzyme Action Worksheet 3, Exercises of Biochemistry

Hofstra University enzyme assessment worksheet 3

Typology: Exercises

2020/2021

Uploaded on 04/20/2021

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Enzyme Action Worksheet 3 L3
1
MiSP Enzyme Action Worksheet #3 Assessment L3
Name ______________________________ Date_____________
1. Read the list of statements below. Put a check mark next to each statement that
is TRUE about enzymes and enzyme activity. Rewrite
false
statements to make
them true.:
_____ Enzymes are catalysts that speed up chemical reactions.
Rewrite false statements:
____________________________________________________________
____________________________________________________________
_____ When a substrate interacts with an enzyme, the substrate does not change.
Rewrite false statements:
____________________________________________________________
____________________________________________________________
_____ There is only one kind of enzyme. It works with all the reactions that occur
in living things.
Rewrite false statements:
____________________________________________________________
____________________________________________________________
_____ Enzyme molecules are reusable.
Rewrite false statements:
____________________________________________________________
____________________________________________________________
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MiSP Enzyme Action Worksheet #3 – Assessment L

Name ______________________________ Date_____________

  1. Read the list of statements below. Put a check mark next to each statement that

is TRUE about enzymes and enzyme activity. Rewrite false statements to make

them true.:

_____ Enzymes are catalysts that speed up chemical reactions. Rewrite false statements:



_____ When a substrate interacts with an enzyme, the substrate does not change. Rewrite false statements:



_____ There is only one kind of enzyme. It works with all the reactions that occur in living things. Rewrite false statements:



_____ Enzyme molecules are reusable. Rewrite false statements:



  1. Some laundry detergents have enzymes in them to help break down dirt molecules on clothes. Based on the experiment where enzyme reactions were tested at different temperatures, what should the instructions on the laundry detergent say about water temperature if a person wants her or his clothes to be cleaned faster?



Harry Potter at Hogwarts School learned in his potions class about an enzyme called slimase that chemically breaks down the slime produced by Boggarts. He and his schoolmates did an experiment where they measured the breakdown of slime at different concentrations of the enzyme slimase. (In the experiment, the concentration of slime was kept constant and the temperature was kept constant).

The results of the experiment are shown below and a graph of the data is shown on the next page:

Concentration of the Enzyme Slimase (%)

Rate of reaction Molecules of Slime broken down (Molecules/second) 0 0 10 750 20 1500 30 2250 40 3000 50 3000 60 3000

L2 and L 5a. The unit rate of change (slope) of the graph from 0% to 40% slimase is + molecules of slime per % slimase concentration or +75 molecules slimase % slimase concentration What is the slope from 40% to 60% slimase concentration?

_______________________________

5b. What does the slope from 40-60% slimase tell you?




L 6a. What is the formula for the line from 0 to 40% slimase?

__________________________________________________

6b. What is the formula for the line from 40 to 60% slimase?

__________________________________________________

6c. Pick the right formula from 6a or 6b to calculate the breakdown of slime molecules when the slimase concentration is 32.4%. SHOW WORK

________________________________________ slime molecules per minute