Experiment 4 Study guides, Class notes & Summaries
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BIOCHEMISTRY LAB REPORT 4 2023| PORTAGE LEARNING|WITH PROCEDURES, EXPLANATION AND FINAL RESULTS.HIGHLY VERIFIRD
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BIOCHEMISTRY LAB REPORT 4 2023| PORTAGE LEARNING|WITH PROCEDURES, EXPLANATION AND FINAL RESULTS.HIGHLY VERIFIRD 
 
 
Experiment #: Lab 4 
 
Title: Chromatography of molecules. 
 
Purpose: The goals for the student performing the experiment are 1. Explain the fundamentals of chromatography. 2. Demonstrate ion exchange and size- exclusion chromatography. 3. Separate a Real-World sample. The student should be able to use the techniques learned and be able to apply them to further use in the lab or ...
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CHEM 120 Week 8 Lab Practical Online Quiz
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Station 1. You have run an experiment studying the effects of the molecular weight of a compound on the rate of diffusion in agar. Compound X has a molecular weight of 25.3 g/mol and compound Y has a molecular mass of 156.2 g/mol. On two separate agar plates, 0.1 g of each substance were transferred and allowed to diffuse for 2 hours. The results below were obtained. Use this information about this situation to answer the following three questions. 
1.	Question: (CO 1) What was the independent v...
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AQA A-level ECONOMICS 7136/2 Paper 2 National and International Economy Version: 1.0 Final IB/G/Jun23/E6 7136/2 Monday 22 May 2023/ QUESTION PAPER & MARKING SCHEME/ [MERGED] Mark scheme June 2023
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AQA 
A-level 
ECONOMICS 
7136/2 
Paper 2 National and International Economy 
Version: 1.0 Final 
IB/G/Jun23/E6 7136/2 
Monday 22 May 2023 Afternoon Time allowed: 2 hours 
Materials 
For this paper you must have: 
• an AQA 12-page answer book 
• a calculator. 
Instructions 
• Use black ink or black ball-point pen. Pencil should only be used for drawing. 
• Write the information required on the front cover of your answer book. 
The Paper Reference is 7136/2. 
• In Section A, answer EIT...
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RSC2601 EXAM PACK 2024
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RSC2601 – Research in Social Sciences 
1 
RSC2601 - Research in the Social Sciences 
EXAM PREPARATION 
This document is a compilation of past UNISA exam Questions and Answers, Assignment 
Questions and Answers, as well as Test Yourself Questions and Answers from Studyguide. 
Answers are motivated by a combination of: 
• Page references to the UNISA Study Guide: 
• Short summaries regarding the relevant topic(s) in question. 
Past exams covered are: 
• May/Jun 2011 
• Oct/Nov...
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Biology 101 Final Exam WVU Dr. Ripley 100% Verified Review Latest Update 2023
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Biology 101 Final Exam WVU Dr. Ripley 
100% Verified Review Latest Update 
2023 
What are the steps of the scientific method? - ANS-1. Make *observations* 
2. Formulate a *hypothesis* 
3. *Devise* a testable prediction 
4. *Conduct* a critical experiment 
5. *Draw* conclusions and make *revisions* 
Theory - ANS-a hypothesis that has withstood the test of time and is unlikely to be 
altered by any new evidence, broader in scope than an hypothesis. 
Hypothesis (how can a hypothesis become a theo...
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AQA GCSE COMBINED SCIENCE: TRILOGY 8464/C/1F Chemistry Paper 1F Version: 1.0 Final *JUN238464C1F01* IB/M/Jun23/E5 8464/C/1F QUESTION PAPER & MARKING SCHEME/ [MERGED]
- Exam (elaborations) • 59 pages • 2024
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GCSE 
COMBINED SCIENCE: TRILOGY 
8464/C/1F 
Chemistry Paper 1F 
Version: 1.0 Final 
 
*JUN238464C1F01* 
IB/M/Jun23/E5 8464/C/1F 
 For Examiner’s Use 
Question Mark 
1 
2 
3 
4 
5 
6 
7 
TOTAL 
Monday 22 May 2023 Morning Time allowed: 1 hour 15 minutes 
Materials 
For this paper you must have: 
• a ruler 
• a scientific calculator 
• the periodic table (enclosed). 
Instructions 
• Use black ink or black ball-point pen. 
• Pencil should only be used for drawing. 
• Fill in the boxes ...
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AQA GCSE COMBINED SCIENCE: TRILOGY 8464/C/2H Higher Tier Chemistry Paper 2H Question Paper + Mark scheme [MERGED] June 2022 *jun228464c2h01* IB/M/Jun22/E11 8464/C/2H For Examiner’s Use Question Mark 1
- Exam (elaborations) • 45 pages • 2023
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AQA 
GCSE 
COMBINED SCIENCE: TRILOGY 
8464/C/2H 
Higher Tier 
Chemistry Paper 2H 
Question Paper + Mark scheme [MERGED] 
June 2022 
*junc2h01* 
IB/M/Jun22/E11 8464/C/2H 
For Examiner’s Use 
Question Mark 
1 
2 
3 
4 
5 
6 
TOTAL 
Time allowed: 1 hour 15 minutes 
Materials 
For this paper you must have: 
• a ruler 
• a scientific calculator 
• the periodic table (enclosed). 
Instructions 
• Use black ink or black ball-point pen. 
• Pencil should only be used for drawing. 
• Fill in ...
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Portage Learning / BIOD 171 Microbiology Lab Exams 1-8(Answered) 2023-2024
- Exam (elaborations) • 19 pages • 2023
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Portage Learning / BIOD 171 Microbiology Lab Exams 
1-8(Answered) 
1 
lOMoAR cPSD| 
Portage Learning / BIOD 171 Microbiology Lab Exams 1>8(Answered) 
Downloaded by charity nimo () 
Answer the following questions. 
1. At what temperature is the fixed incubator set to, as presented in the lab video? 
37°C 
2. At what temperature should you refrigerate bacterial samples? Explain why this is beneficial. 
4°C. This temperature slows bacterial growth and prolongs the life of the sample. 
3. What...
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Performance management 2022/2023
- Summary • 36 pages • 2023
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Alle artikelen 2022/2023 
 
§1.1 Article 1: Caprini J., Parker, S., & Griffin M., (2017). – A look back and a leap forward: A review and synthesis of the individual work performance literature. 
§1.2 Article 2: Cascio, W.F. (2006). – The economic impact of employee behaviors on organizational performance. 
§1.3 Article 3: Lievens. F., Schapers, P., & Amp; Herde, C.N. (2020). – Performance Management – Que Vadis? 
 
Week 2: Performance Management and Feedback and Feedforward (5 articl...
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FSU HUN 1201 Final Exam 2024 with 100% correct answers
- Exam (elaborations) • 33 pages • 2023
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A weight reduction regimen calls for a daily intake of 1400 kcalories, which includes 30g of fat. Approximately what percentage of the total energy is contributed by fat? - correct answer 19.0% 
 
what is the AMDR for carbohydrate? - correct answer 45-65% 
 
what is the AMDR for protein? - correct answer 10-35% 
 
the amount of nutrient that meets the needs of about 98% of a population is known as the _________. - correct answer recommended dietary allowance 
 
what is the AMDR for fat? ...