Measurement of absorbance - Study guides, Class notes & Summaries
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KSU Biology 198 Exam 1 Questions And Answers
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Microscope - A device used to see tiny organisms, used for research and counting. 
Spectrophotometer - A device that passes light through a substance in order to assess the 
absorption and transmittance. 
Absorbance - Measurement of the amount of light captured by the dissolved or suspended 
material. 
Transmittance - The fraction of incident light at a specified wavelength that passes through a 
sample. 
investigated - The questions that are asked in science should be able to be _______. 
Hypot...
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Analytical Chemistry Final- ACS Exam Test Questions with Answers!!
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AAB MT Chemistry- Practice |114 questions and answers
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Which of the following aminoacidopathies is NOT caused by an enzyme deficiency? 
Choose one answer. 
a. phenylketonuria 
b. alkaptonuria 
c. maple syrup disease 
d. cystinuria 
d. cystinuria 
 
 
 
What method is most commonly used to measure total protein? 
Choose one answer. 
a. dye binding 
b. Kjeldahl 
c. Biuret 
d. refractometry 
c. Biuret 
 
 
 
Which of the following is the preferred reagent for measuring albumin by the dye binding method because there is less interfering substances? 
Cho...
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Clinical Chemistry I ASCP Review - 467 / Clinical Chemistry I ASCP review (youlazy) Questions & Answers
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Clinical Chemistry I ASCP Review - 467 / Clinical Chemistry I ASCP review (youlazy) 
Questions & Answers 
Which of the following lamps provides a continuous spectrum of radiant energy in the visible, near IR, and near UV regions of the spectrum? 
A. Tungsten-filament 
B. Hydrogen 
C. Deuterium 
D. Mercury vapor - CORRECT ANSWER-A most common light source for photometry in the visible region. continuous spectrum (360-800 nm). near IR and UV. 
Hydrogen and Deuterium (200-375 nm) 
Mercury vapor- no...
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MARK SCHEME – AS BIOLOGY – 7401-1 – JUNE 2022.
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Question 	Marking Guidance 	Mark 	Comments 
01.1 	B: is hydrolysed in the ileum and a product of this hydrolysis is found in micelles; 
A: is formed by a condensation reaction between two α-glucose molecules; 
C: is formed by the action of DNA polymerase; 
B: gives a positive result in an emulsion test; 	4 
(4 x AO1) 	 
Question 	Marking Guidance 	Mark 	Comments 
01.2 	1.	Facilitated diffusion of amino acid (into cell when higher concentration in lumen); 
2.	Co-transport; 
3.	S...
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Instrumental Analysis ACS Final Prep Exam Questions With Correct Answers
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Instrumental Analysis ACS Final Prep Exam 
Questions With Correct Answers 
what are the difference between calibration sensitivity and analytical sensitivity - 
answercalibration sensitivity is the slope of a calibration curve at the concentration of 
interest while analytical sensitivity is a response to the noise ratio 
how to calculate calibration sensitivity - answery=mx+b (m is the calibration sensitivity) 
graph concentration vs mean analytical signal 
how to find the analytical sensitivit...
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QBM Final Exam Questions And Answers With Complete Solutions 2024
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QBM Final Exam Questions And 
Answers With Complete Solutions 2024 
Define recombinant DNA technology 
Using molecular biology technique such as cloning, PCR, restriction enzymes digestion, 
and gel electrophoresis to take a gene from one source and joint it with another piece of 
DNA, creating a new recombinant DNA molecule that can be inserted in bacteria and 
further studied. 
What are 3 characteristics of DNA ? 
- Double strand 
- 5' to 3' directionality 
- antiparallel 
- base pairing [ad...
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QBM Final Exam Questions And Answers With Complete Solutions 2024
- Exam (elaborations) • 23 pages • 2024
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QBM Final Exam Questions And 
Answers With Complete Solutions 2024 
Define recombinant DNA technology 
Using molecular biology technique such as cloning, PCR, restriction enzymes digestion, 
and gel electrophoresis to take a gene from one source and joint it with another piece of 
DNA, creating a new recombinant DNA molecule that can be inserted in bacteria and 
further studied. 
What are 3 characteristics of DNA ? 
- Double strand 
- 5' to 3' directionality 
- antiparallel 
- base pairing [ad...
-
CHEM 210 Final Questions and Correct Answers, Complete Solution 2024.
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CHEM 210 Final Questions and Correct Answers, Complete Solution 2024. 
 
if the p-value is greater than 0.1, we generally conclude the data are consistent with the null hypothesis 
true 
what is the best way to characterize the random error present in a measurement? 
take replicate measurements of your analytes and using the standard deviation and a t-table specify an error bar with a confidence limit 
statistical interference assesses whether an observed phenomenon in the data can reasonably be...
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Instrumental Analysis ACS Final Prep Exam Questions With Correct Answers
- Exam (elaborations) • 10 pages • 2024
- Available in package deal
-
- $12.49
- + learn more
Instrumental Analysis ACS Final Prep Exam 
Questions With Correct Answers 
what are the difference between calibration sensitivity and analytical sensitivity - 
answercalibration sensitivity is the slope of a calibration curve at the concentration of 
interest while analytical sensitivity is a response to the noise ratio 
how to calculate calibration sensitivity - answery=mx+b (m is the calibration sensitivity) 
graph concentration vs mean analytical signal 
how to find the analytical sensitivit...
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