Spectrophotometer Study guides, Class notes & Summaries
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CSULB BIO 207 LAB EXAM 1 correctly answered 2024/2025
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CSULB BIO 207 LAB EXAM 1What are the four primary tissue types? - correct answer 1. Epithelial 
 protection, excretion absorption and secretion 
2. Connective 
 binds, fills spaces, energy storage. 
3. Muscle Tissue 
 -skeletal 
 -cardiac 
 -smooth 
 causes movement 
4. Nervous Tissue 
 
What are the differences between exocrine and endocrine glands? - correct answer ... 
 
Define, understand, be able to apply the following terms: homeostasis, normal range, set point, negative feedback, stimulus...
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MMSC407 Final Exam Questions with Correct Answers
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MMSC407 Final Exam Questions with Correct Answers 
 
Describe the characteristics of light as an energy source. - Answer-1. Wavelength - the distance between the crests of two successive waves 
2. Amplitude - the height of each wave 
3. Frequency - the number of waves which pass an observation point in one second 
 
In terms of energy: 
-High energy = high frequency, short wavelength 
-Low energy = low frequency, long wavelength 
 
Describe the relationship between percent transmittance and abso...
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MMSC407 Exam Questions with Correct Answers
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MMSC407 Exam Questions 
with Correct Answers 
 
What is the distance between the crests of two successive waves - Answer-Wavelength 
What is the height of each wave - Answer-Amplitude 
What is the number of waves which pass an observation point in one second - AnswerFrequency 
What is it called when the wave bounces back to the source - Answer-Reflected 
What is it called when the wave is absorbed by the material - Answer-Absorbed 
What is it called when the wave passes through the material - An...
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MMSC 407 Exam Questions with All Correct Answers
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MMSC 407 Exam Questions with 
All Correct Answers 
 
What is the distance between the crests of two successive waves - Answer-Wavelength 
What is the height of each wave - Answer-Amplitude 
What is the number of waves which pass an observation point in one second - AnswerFrequency 
What is it called when the wave bounces back to the source - Answer-Reflected 
What is it called when the wave is absorbed by the material - Answer-Absorbed 
What is it called when the wave passes through the material...
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Chapter 1: Clinical Chemistry Questions with Verified Solutions
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Chapter 1: Clinical Chemistry Questions with Verified Solutions 
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 A. Tungsten-filament 
Which of the following isolates light within a narrow region of the spectrum? 
A. Photomultiplier tube 
B. Monochromator 
C. Photovoltaic cell D. Detector B. Monochromator 
Which of the following is not desc...
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NLN PAX PREP Science Spring 2023-2024 with Complete Solutions
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Which of these structures of the male reproductive system carries sperm 
cells from the testes to the lower part of the abdomen?Correct answer - 
Vas deferens 
A method for determining the blood alcohol content of a subject is 
toCorrect answer - Use a Breathalyzer 
A person blows his breath into a straw that is placed in limewater. The 
limewater becomes cloudy because the person's breath containsCorrect 
answer - carbon dioxide 
A physician measures the pulse and blood pressure (BP) of a...
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KSU Biology 198 Exam 1 Latest Version Graded A+
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KSU Biology 198 Exam 1 Latest Version 
 
Graded A+ 
 
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 a...
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Technologist in Molecular Biology, MB(ASCP) board exam prep 2024 with 100% Correct Answers
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Technologist in Molecular Biology, MB(ASCP) 
board exam prep 2024 with 100% Correct 
Answers 
Pyrimidine - Answer ️️ -One carbon ring 
Cytosine, Thymine, Uracil 
What is the function of mRNA? - Answer ️️ -Carries genetic info out of nucleus 
Transcript translated to protein 
What is the function of tRNA? - Answer ️️ -Carries aa to ribosome 
Anticodon pairs with codon on mRNA strand 
What is the function of rRNA? - Answer ️️ -part of ribosome structure 
most abundant RNA 
coordina...
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Clinical Chemistry I ASCP review (youlazy) | Latest 2024 With 100% Correct Answers
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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 - 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- not a continuous spectrum, emitting radiation at specific wavelengths 
Which of the following isolates light 
within a na...
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MLS Exam 4 Questions & Answers 2024/2025
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MLS Exam 4 Questions & Answers 2024/2025 
 
 
absorbance spectrophotometry - ANSWERSthe concentration of an unknown sample is determined by measuring its absorption of light at a particular wavelength and comparing it with the absorption of light by known standard solutions measured at the same time and with the same wavelength. 
 
absorbed - ANSWERSall other wavelengths that are not seen by the eye 
 
Beer's Law - ANSWERSthe amount of light absorbed by a solution is directly proportional to th...
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