Biology 105 – Human Biology
Session:
Section:
Class Location:
Days / Time:
Instructor:
Spring 2008
55244 4 Units
UVC1 St. Helena
F 9:00 AM – 3:50 PM
RIDDELL
Directions in black
Student ID#: 123456
Student Name: MAC GLICERIDE
Team Name: FRY BABIES
Lab Assignment #: 3
Lab Title: Food Chemistry
Date: 080222.1
Purpose / Objective(s):

Determine biological components of common foods..
Hypothesis (ese):




Burgers contain protein, buns contain starch and soda pop contains sugar and these foods will test
positive for these substances in standard color reagent tests
State what you believe may be true or untrue.
State why you hold that belief
Cite observations, reports, readings etc. See attached
Materials / Subjects / Specimens;




List all the specimens, sources and quantities that you measured.
Summarize the list here. Briefly state what specimens or sources of specimens you used.
Use a Table if necessary to list all the details in an Attachment – see Table 1
Test specimens included the major items of a …………..
Methods / Tools / Instrumentation / Procedures;





List and describe all tools, measuring devices, lab equipment, stains, reagents that you used to
perform the lab procedures.
Summarize briefly in this section and put the details in an Attachment.
Make table(s) if necessary to describe what and how you did what you did in detail. See Table 2.
Make diagrams / use photos if necessary to show how and what you did.
The basic procedure employed was …………………….
Results








List summary statements of important measurements, findings, etc.
Refer to tables and graphs and drawings of your data.
Be specific in your comments and direct the reader to the data of specific interest.
Import abbreviated tables and graphs / charts into this section – detailed tables and charts can be
included in the Attachments.
Be sure to number and name your tables, graphs and illustrations.
Be sure to make at least one statement regarding every table and graph and drawing / illustration in
this section.
The tests showed that ……………………………………………
A surprise was that …………………………………….
Analysis / Discussion:





Comment on the Analyses
Make a statement for what your results demonstrate.
Answer the question, “what is the key learning we receive from this data?”
Is your hypothesis validated or not?
Summarize your key understanding.
Page 1 of 4
116103898
Biology 105 – Human Biology
Session:
Section:
Class Location:
Days / Time:
Instructor:
Spring 2008
55244 4 Units
UVC1 St. Helena
F 9:00 AM – 3:50 PM
RIDDELL
Conclusions / Further Considerations:




Answer the question, “so what, now what?”
What other information / research / experiment does this data suggest that we do?
Do you think that such tests may have practical application to other investigations in science, crime,
food analysis, nutrition, agriculture, etc?
What might they be?
Page 2 of 4
116103898
Biology 105 – Human Biology
Session:
Section:
Class Location:
Days / Time:
Instructor:
Spring 2008
55244 4 Units
UVC1 St. Helena
F 9:00 AM – 3:50 PM
RIDDELL
ATTACHMENTS
Experimental Design
Table 1 shows the quantities and reagents used for the standard tests. Can you describe in 1 or 2
statements the “set up” summarized in this table?
Fill in this table in MS Excel before you import it as an enhanced metafile to this write up.
Test
Food Item and Control
Controls
Test Reagents / Dyes
Quantity
Benedicts
Iodine
Ninhydrin
Procedure
Expected Result
Water
Albumin
Sucrose
Starch
Specimens
Burger
Bun
Fries
Coke
Summary / Formal / Conclusive Results / Tables, Charts
Fill in this table in MS Excel before you import it as an enhanced metafile to this write up.
This table is incomplete.
Table 2 shows the results of the tests. Can you describe in 1 or 2 statements the results?
Test Reagents / Dyes
Food Item
Benedicts
Iodine
Ninhydrin
Conclusion -
Water
-
-
-
There is NO sugar, starch or protein
in H2O
Albumin
-
-
+
Ninhydrin = + for protein
Glucose
yellow
-
-
Bendticts = + for sugar
Starch
-
purple
-
Iodine = + for Starch
Burger
light yellow
pale gray
no color change
purple
Burger = + for protein
Bun
no change
purple
light puple
Bun = + for protein and starch
Fries
Coke
Page 3 of 4
116103898
Biology 105 – Human Biology
Session:
Section:
Class Location:
Days / Time:
Instructor:
Spring 2008
55244 4 Units
UVC1 St. Helena
F 9:00 AM – 3:50 PM
RIDDELL
Use these sections for additional details.
If you do not use these sections, then delete them.
Detailed Results / Analyses:
1.
2.
3.
4.
A
B
C
D
References
1.
2.
3.
A
B
C
Observations:
4.
5.
6.
7.
A
B
C
D
Raw Data / Original Measurements:
1.
2.
3.
4.
A
B
C
D
Drawings / Diagrams / Illustrations:
1.
2.
3.
4.
A
B
C
D
Notes:
1.
2.
3.
4.
A
B
C
D
Page 4 of 4
116103898