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About
IB 100 & 101
Fall 2009
IB
100/101
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Moodle
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Scoring Rubric for Take-Home Assignment #6 Fall 2009
Refer to my key on the web following the due date for
more information concerning the drawing for Question #1.
Question #1 Gene
expression:(10 Pts)
Has the student correctly used the following terms in
the context of illustrating the expression of the dominant (normal)
allele
for HBB, the beta globin chain of hemoglobin.?
(there are 20 terms, each worth half a point).
| nucleus |
1/2 point ____ |
dominant (normal) allele for HBB, the beta
globin chain of hemoglobin |
1/2 point ____ |
| DNA |
1/2 point ____ |
| transcription |
1/2 point ____ |
RNA Polymerase
|
1/2 point ____ |
| mRNA |
1/2 point ____ |
| mRNA processing + introns and exons |
1/2 point ____ |
| cytoplasm |
1/2 point ____ |
| translation |
1/2 point ____ |
| ribosome |
1/2 point ____ |
rRN
|
1/2 point ____ |
| codon |
1/2 point ____ |
| tRNA |
1/2 point ____ |
| anticodon |
1/2 point ____ |
| amino acid |
1/2 point ____ |
| protein folding |
1/2 point ____ |
| the beta chain of the hemoglobin protein |
1/2 point ____ |
| complete hemoglobin molecule |
1/2 point ____ |
| red blood cells |
1/2 point ____ |
| capillaries |
1/2 point ____ |
Question 2. Mutation: (10 Pts)
Has the student correctly included the following
components in his/her answers?
Part a.
| .....ACT |
CCT |
GAG |
GAG |
AAG |
TCT..... |
| .....TGA |
GGA |
CTC |
CTC |
TTC |
AGA..... |
Transcribed strand (template strand) |
| .....??? |
??? |
??? |
??? |
??? |
???..... |
Messinger RNA |
1/2 point |
| .....? |
? |
? |
? |
? |
?..... |
Amino Acids |
1/2 point |
Parts b, c, and d
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Part b |
Part c
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Part d
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1. the original DNA
|
1/2 pt.
|
1/2 pt.
|
1/2 pt.
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2. the mutated DNA
|
1/2 pt.
|
1/2 pt.
|
1/2 pt.
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3. the new mRNA strand
|
1/2 pt.
|
1/2 pt.
|
1/2 pt.
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4. the new sequence of amino acids
|
1/2 pt.
|
1/2 pt.
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1/2 pt.
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5. naming the type of mutation and
effect on amino acids and protein
function
|
1 pt.
|
1 pt.
|
1 pt.
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