Spectrophotometer Study guides, Class notes & Summaries

bcss 1010 exam 4 questions & answers 2024-25 Metabolism - ANSWERSthe totality of an organism's chemical reactions cooperativity - ANSWERSamplifies enzyme activity feedback inhibition - ANSWERSA method of metabolic control in which the end product of a metabolic pathway acts as an inhibitor of an enzyme within that pathway. metabolic pathway - ANSWERSBegins with a specific molecule, which is then altered in a series of defined steps, resulting in a certain product. catabolism is...

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...

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...

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...

Which of the following lamps provides a continuous spectrum of radiant energy in the visible, near IR and near UV regions of the spectrum? - Answer Tungsten filament Which of the following isolates light within a narrow region of the spectrum? - Answer Monochromator Which of the following is not descriptive of a photomultiplier tube? - Answer Cannot be used with a chopper Which of the following is false about a photomultiplier tube? - Answer Is composed of an iron plate and ...

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...

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...

4 Basic Steps of binary fission - Answer-1. Growth of cell size 2. Replication of DNA 3. Division of cytoplasm 4. Septum formation & cell division Z Ring Assembly - Answer-FtsZ assembles Z ring to form divisome Generation Time - Answer-time it takes to double the population Lag Phase - Answer-Cells adjust to culture medium; no change in population What factors determine the duration of the lag phase? - Answer-Genetic makeup, media composition, initial inoculum size During which phase of...

A; Animals serve as a reservoir of infection" is the correct answer because Shigella only infects humans while Salmonella is found in many animals. Both have diarrhea as the major symptom. Endotoxin is produced by all gram negative bacteria and exotoxin is only produced by Shigella. A major difference between Salmonella enterica and Shigella infections is that only in salmonellosis can: A. animals serve as a reservoir of infection B. diarrhea become the major symptom C. endotoxin play a ...

what is spectrophotometry? correct answers Measures the amount of specific colored light being absorbed by or transmitted through a colored solution measure light intensity as a function of wavelength what is the order of the basic components of a spectrophotometer correct answers 1. light source 2. collimating lens 3. entrance slit 4. monochromator 5. exit slit 6. sample cuvette 7. PM tube 8. photodetector ay Types of light sources correct answers Tungsten (quartz vapor...