Biology Lab report Due in 3 days. i appreciate any help i can get Thanks.
Lab Report: Enzyme Lab
Your Name: __________________________________________________________________
Purpose of this Lab
What is the goal of this lab? What question is it trying to answer, or what problem is it trying to explain? Hypothesis
After reading the lab instructions - but before starting the lab - record your best ?educated guess? about
what will happen in the experiment. Give your reasons and outline any assumptions that lead you to this
hypothesis. Experimental Design
List the materials used in this lab, and the procedure you followed.
Procedure (list steps in the order in which you performed them):
Record the data you collected in the lab
1.What happened in test tubes C and E?___
What was the purpose of the water in tube C?___
2.Test for the presence of hydrogen gas and oxygen gas. Which gas, oxygen or hydrogen, was
produced by the reaction? ____State your evidence.______ 3. Since enzymes are not supposed to be used up, extract the piece of liver from the glass and
add it to a second glass to which you then add more hydrogen peroxide.
Notebook activity: What happened in the second tube?
4. Pour the liquid from the first glass into a third glass
containing fresh hydrogen peroxide.
Notebook activity: Was there a reaction? ___ Explain._____
How might you test for the presence of the enzyme in some common materials such as apples,
potatoes, and onions? Design and record ONE test you have performed in the Enzyme
Observation form (see below) to detect the presence of catalase in ONE food item. Analysis
Analyze the data you collected in the lab Conclusion
After conducting the experiment, how would you now explain the problem(s) or answer the question(s)
raised when you described the purpose of the lab? Be sure to base your answer on the data you
collected Notebook Activity: What does an antioxidant do for the human body? Use the Internet or a book to
Complete this equation. H2O2 -----------------------> _____________ + ____________ Enzyme Observation Form: Observation:
Notes: Notebook activity: What is hydrogen peroxide used for around the house? ____
Explain its use and action in view of the activities in this lab______
This question was answered on: Jan 30, 2021
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