Lac operon Samenvattingen, Notities en Examens
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ASU BIO 340 Exam 3 | WITH QUESTIONS AND ANSWERS 100% VERIFIED
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ASU BIO 340 Exam 3 | WITH QUESTIONS AND ANSWERS 100% VERIFIED 
 
What will be the effect on transcription when an inhibitor is in play? 
A. Allow transcription B. Prevent transcription - B Explanation: An inhibitor prevents activator from binding to DNA; activators are used in positive regulation (increasing transcription) - thus, the inhibitor prevents the activator from positive regulating (increasing) transcription. 
What will be the effect on transcription when an inducer is in play? 
A. A...
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TAMU bio 111 lab exam 2 review (2023/2024) already passed
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TAMU bio 111 lab exam 2 review (2023/2024) already passed What is the difference between the coding and non-coding region? Coding region: comprised of genes that encode proteins (instructions that determine traits) and makes up 1-2% of human DNA. • Noncoding region: makes up 98-99% of human DNA, contains STRs and is responsible for regulatory functions such as gene transcription. 
What are STRs? Short-tandem repeats (STRs) are unique repeating patterns of the same nucleotide sequence. They can...
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Edexcel a level biology question paper 2 june 2023 salters Nuffield + mark scheme
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Please check the examination details below before entering your candidate information 
Candidate surname Other names 
Centre Number Candidate Number 
Pearson Edexcel Level 3 GCE 
Friday 16 June 2023 
Morning (Time: 2 hours) Paper reference 9BN0/02 
Total Marks 
Biology A (Salters Nuffield) 
Advanced 
PAPER 2: Energy, Exercise and Coordination 
You must have: 
Scientific calculator, pencil, ruler 
Instructions 
• Use black ink or ball-point pen. 
• Fill in the boxes at the top of this page wi...
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Examen moleculaire biologie
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Alle vragen werden opgelost door het handboek, de slides en nota's uit de hoorcolleges te gebruiken. 
Alle vragen tot professor Ley werden behandeld, alsook begrippen.
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Exam 3: BIO1201/ BIO 1201 (Latest 2024/ 2025 Update) | Questions and Verified Answers| 100% Correct| Grade A – LSU
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Exam 3: BIO1201/ BIO 1201 (Latest 2024/ 2025 Update) | Questions and Verified Answers| 100% Correct| Grade A – LSU 
 
Q: How are genes coordinately controlled in eukaryotic cells? 
 
Coordinately controlled genes in eukaryotic cells share a set of control elements. 
 
Coordinately controlled genes in eukaryotic cells are activated by the same chemical signals. 
 
Coordinately controlled genes in eukaryotic cells are located together on the same chromosome. 
 
 
Answer: 
Coordinately controlled...
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Samenvatting Algemene en Moleculaire Genetica
- Samenvatting • 57 pagina's • 2022
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Hoorcolleges Joske Ruytinckx: 
H1: Inleiding 
H2: De natuur van genetisch materiaal 
H3: DNA 
H4: DNA schade, mutaties en repair 
H5: DNA recombinatie en transpositie 
H6: Horizontale gentransfer 
H7: Genexpressie 
 
Onderwerpen die worden besproken: 
Mitose & meiose, Mendeliaanse genetica, Horizontale gentransfer (DNA transformatie, conjugatie en transductie), levenscyclus van virussen (lytisch en lysogeen), opbouw en structuur van DNA, DNA replicatie (verschil prokaryoten en eukaryoten), DNA ...
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Bio 115 WVU Final (Dr. Barry) Questions and Answers Graded A+
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Bio 115 WVU Final (Dr. Barry) Questions 
 
and Answers Graded A+ 
 
For e. coli , the lacl repressor gene is expressed when? The lacl repressor gene is always 
expressed 
 
Where does the lacl repressor gene attach The lacl repressor gene codes for a protein which 
attaches to the lac operon operator 
 
In the absence of lactose, does the lacl repressor gene bind to DNA Yes, in the absence of 
lactose, the lacl repressor gene binds to DNA preventing transcription; this is an example of 
negative...
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Biology 1000 – Principles of Biology ( BioS 115 Core II: Genetics) Exam Study Guide 2024/2025
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Biology 1000 – Principles of Biology ( BioS 115 Core II: Genetics) Exam Study Guide 2024/2025. Review discussion about Breast Cancer 
Breast Cancer (BRCA1 and BRCA2) 
c. Provides instructions for making a protein that acts as a tumor suppressor 
d. Prevents cells from growing and dividing 
e. Accounts for 30-40% of families with breast cancer cases 
Penetrance and BRCA 
a. Refers to the risk of developing breast and ovarian cancer 
b. A reliable estimate of penetrance is crucial for medical co...
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Bio 115 Final Exam- WVU Questions and Answers Already Passed
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Bio 115 Final Exam- WVU Questions and 
 
Answers Already Passed 
 
How can one eukaryotic gene lead to one transcript, but multiple different proteins? 
Alternative splicing 
 
What is the primary transcript of eukaryotic genes? mRNA 
 
What is the attachment site for RNA polymerase? Promoter region 
 
Gene regulation in both prokaryotes and eukaryotes is achieved by controlling which process? 
transcription 
 
A eukaryotic gene has all of the following except: introns, a promoter, an operator, ...
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Biology 1000 – Principles of Biology ( BioS 115 Core II: Genetics) Exam Study Guide Questions With Answers.
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Biology 1000 – Principles of Biology ( BioS 115 Core II: Genetics) Exam Study Guide Questions With Answers. Explain the concepts of penetrance and expressivity 
Penetrance is the percentage of cases in which a certain phenotype is expressed. There 
are two types: 
i. Complete Penetrance: when 100% is correlated to the genotype. So, all express 
the same thing. 
ii. Incomplete: this is when some are identical, and others are different. 
Penetrance= # with genotype showing phenotype x 100 
# wit...
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