So there is the rubric for how should the lab report be written and what should be there also i applauded some c

So there is the rubric for how should the lab report be written and what should be there also i applauded some calculations done and the results also the actual experiment with the steps so I need a good report for what we discovered and what we really did in the experiment with good information


9/18/2014
Rubric
Rubric
Name
Copy of Lab Report Grading Rubric
Description
This is the rubric which describes how lab reports will be graded
Rubric Detail
Levels of Achievement
Criteria
Poor
Beginning
Developing
Accomplished
Exemplary
Abstract
0 Points
2 Points
3 Points
4 Points
5 Points
Missing
Several major
aspects of the
experiment
are missing,
student
displays lack
of
understanding
on how to
write an
abstract.
Abstract
misses one or
more major
aspects of
carrying out
the experiment
or results.
Abstract
references
most of the
major aspects
of the
experiment,
some minor
details are
missing
Abstract
contains
references to
all major
aspects of
carrying out
the
experiment
and the
results, well‑
written.
0 Points
2 Points
3 Points
4 Points
5 Points
Missing
Very little
background
information
provided or
information is
incorrect. Key
concepts, key
question, and
experiment
importance is
missing.
Some
introductory
information,
but still
missing some
major points.
Introduction is
nearly
complete,
missing some
minor points.
Introduction
complete and
well‑written;
provides all
important
background
concepts,
experimental
importance,
and key
question of
the
experiment.
0 Points
2 Points
3 Points
4 Points
5 Points
Missing
Missing
several
important
experimental
details or not
written in
paragraph
format. Most
steps are
missing or are
confusing.
Written in
paragraph
format, still
missing some
important
experimental
details; most
are confusing
and lack detail.
Written in
paragraph
format,
important
experimental
details are
covered. Some
lack detail or
confusing.
Well‑written in
paragraph
format, all
experimental
details are
covered.
0 Points
2 Points
3 Points
4 Points
5 Points
Missing
Hand drawn
structures.
Drawn with
Chemsketch
but structure is
missing most
components,
sloppy.
Drawn with
Chemsketch
but structure
is missing
some
components,
less sloppy.
Structure is
drawn and
labeled
properly.
Introduction
Experimental
Chemical
structures
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9/18/2014
Rubric
Results: data,
figures, graphs,
tables, etc.
0 Points
2 Points
3 Points
4 Points
5 Points
Missing
Figures,
graphs, tables
contain errors
or are poorly
constructed,
have missing
titles,
captions, or
numbers,
units missing
or incorrect,
etc.
Most figures,
graphs, tables
OK, some still
missing some
important or
required
features.
All figures,
graphs, tables
are correctly
drawn, but
some have
minor
problems or
could still be
improved.
All figures,
graphs, tables
are correctly
drawn, are
numbered and
contain
titles/captions.
Discussion
0 Points
2 Points
3 Points
4 Points
5 Points
Missing
Presents an
illogical
explanation
for findings
and does not
address any of
the questions
suggested.
Presents an
illogical
explanation for
findings and
addresses few
questions.
Presents a
logical
explanation
for findings
and addresses
some of the
questions.
Presents a
logical
explanation
for findings
and addresses
most of the
questions.
5 Points
4 Points
3 Points
2 Points
0 Points
All important
conclusions
have been
clearly made,
student shows
good
understanding.
All important
conclusions
have been
drawn could
be better
stated.
Conclusions
regarding
major points
are drawn, but
many are
misstated,
indicating a
lack of
understanding.
Conclusions
missing or
missing the
important
points.
Missing
5 Points
4 Points
3 Points
2 Points
0 Points
All grammar
and spelling
are correct and
very well‑
written.
Only one or
two errors,
mature,
readable style
More than two
errors,
generally
readable with
some rough
spots in
writing style.
Very frequent
grammar
and/or
spelling
errors. Writing
style is rough
and immature.
Missing
Conclusion
Grammar/Spelling
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14. Take out cell from compartment and repeat steps 10-13 for the rest of BSA s
out sample cell with distilled water before measuring the unknown sample.
15. Create standard curve of known samples and calculate the concentration of
protein.
Safety Precautions: Wear protective gloves/ protective clothing/ eye protection/
protection. The Bradford reagent is corrosive can cause skin burns. It is harmful
Keep container closed when not in use to avoid spillage. There will be a special v
to dispose of liquid material containing Bradford under the hood.
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Proteins
52.
EXPERIMENT/SUBJECT
EXP. NUMBER
LAB PARTNER
LOCKER/DESK NO.
COURSE & SECTION NO.
BE
haghed Alehmari
NAME
* Prepare loo of Somm phosphate buffer system pH 7.5
* (Na), (HPO = 142gmal
* (Nat) (H2 Poul = 120 g mal
Sall
* The stock is 2
mg/mL.
PH = Plea, + logo acid
PHg = 7.5
Pha=7.21
* Calculation
– concentration
-0.29
0 Ciri = C2 V2
2 x vi= x 1
Consentration
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2 v, –
125 X 1
invers log
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= v= 62.5
log {set]
EA cg
{salt}
= 1.95
( (aA }
{alt] = 1.95 {Aced]
]
& salt} + {Aced] so med nos
& {[
3 Ealt 3 = 1.98) [Aced]
Aced] =
145 Hood Cced=50
2.95 (Acl=50mm = {Ac] = some
12
있르들
250
= 125
3,375. 1975
Wv.
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THE HAYDEN-MCNEIL STUDENT LAB NOTEBOOK
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11:22 4
morgan.blackboard.com
Bb Courses
Lab #1 (Proteins)
CHEM 202 Biochemistry for Health Majors Laboratory
Experiment 1: Proteins
You are part of a team of researchers working at Proteins for Life Laboratories. Your company
studies a number of biologically relevant proteins. These proteins are important for human
health and are investigated in search of a way to develop new therapeutics. Your team has
isolated a protein that was found in high levels in a patient’s serum. Over the next two weeks
you will prepare a buffer solution and determine the concentration of this protein using an
absorbance-based method.
Safety Precautions: Non-toxic materials. Always wear goggles, lab apron, gloves, and googles
Week 1
2-
You will prepare 100 mL of a 50 mM phosphate buffer system pH 7.5 using sodium phosphate
dibasic form (Na+)2(HPO ) = 142 g/mol and sodium phosphate monobasic form (Na+)CH PO,
= 120 g/mol. You will prepare 5 dilutions of a stock of the protein bovine serum albumin (BSA)
using micropipettors. The stock is 2 mg/ml. Using appropriate dilutions of this stock you will
make solutions of 125 pg/mL, 250 ug/mL, 375 pg/mL, 500 ug/mL, and 1000 ug/ml. Your final
volume will be 1 mL each. These solutions will be stored in the refrigerator until next week.
Safety Precautions: Non-toxic materials. Always wear goggles, lab apron, gloves, and
googles
Week 2
Using your prepared diluted solutions, you will measure the absorbance of these proteins and
an unknown protein using a colorimetric reagent known as Bradford’s reagent. This reagent
contains a dye that reacts with proteins. When a protein is present in a solution containing the
dye, the absorption maximum of the dye goes from 465 nm to 595 nm. The absorption at 595
nm is proportional to protein present in a sample.
CH
CH, HgC
Calls
EN-CH
PROTEIN
+
Nags
SO,
Basic and Aromatic
Side Chains
Coomassie G-250
OCZM
465 nm
BLUE
Protein-Dye Complex
Amer 595 nm

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