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(solution) Biology Lab report Due in 3 days. i appreciate any help i can get


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.

 

Materials:

 

1.

 

2.

 

3.

 

Procedure (list steps in the order in which you performed them):

 

1.

 

2.

 

3. Data

 

Record the data you collected in the lab

 

Observations:

 

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

 

answer this.

 

Complete this equation. H2O2 -----------------------> _____________ + ____________ Enzyme Observation Form: Observation:

 

Hypothesis:

 

Experiment:

 

Data:

 

Conclusions:

 

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______

 


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