What is spectrophotometry - Study guides, Class notes & Summaries

Final Assessment for MT ASCP/AMT Exam | Questions and Correct Answers | Latest Update 2024/2025 | 100% PASS In absorption spectrophotometry: A) Absorbance is directly proportional to transmittance B) Percent transmittance is directly proportional to concentration C) Percent transmittance is directly proportional to the light path length D) Absorbance is directly proportional to concentration - Answer - Absorbance is directly proportional to concentration Which formula correctly describ...

Exp 1: For the experiment measuring concentrations of BSA using spectrophotometry, the blank will include which of the following? - correct answer All accept the BSA stock Exp 1: In spectrophotometry, [1] is the fraction of light that passes through the sample while [2] is the fraction of light that does not pass through the sample. - correct answer 1 = transmittance 2 = asorbance Exp 1: When creating a serial dilution from 1/10 to 1/1000, the first dilution will be [a] part sample an...

AMT MT Study Guide with Complete Solutions The three major phases of laboratory testing that a QA program should evaluate include a. mean, standard deviation, and coefficient of variation. b. pre-op, operative, and post-op. c. pre-analytical, analytical, and post-analytical. d. outpatient, inpatient, and non-patient. - Correct Answer ️️ -c. pre-analytical, analytical, and post-analytical. The process by which test results achieve the same high levels of accuracy and precision that c...

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...

DNA Quantification and Spectrophotometry - Practice Test Qs&As 2024 A+ What is the difference between Invivo and Invitro? - ANS-Invivo refers to processes that occur in living organisms, while Invitro refers to processes that occur in a test tube or petri dish. What is the function of Helicase in DNA replication? - ANS-Helicase is an enzyme that separates the double-stranded DNA into single strands. What are Okazaki Fragments? - ANS....

SCRN Exam Questions With Verified Answers Latest Updated 2024/2025 (GRADED) What oxygen delivers to the brain. Above the necklace-Anterior Circulation= - Answer- Unilateral deficits Below the necklace-Posterior circulation= - Answer- Bilateral deficits Circle of Willis-Collateral circulation= - Answer- Aneurysm Cerebrum - Answer- largest part of the brain Cerebrum: Frontal Lobe - Answer- Motor function, personality, Brocca speech Brocca's aphasia-frontal lobe - Answer- problem with the pr...

______________ cells are striated, tubular, and multi-nucleated. They are classified as voluntary and their structure allows for locomotion and movement. - ️️Skeletal muscle _______________ is the rapid spread of disease to a large population over a short period of time, and ______________ is when _____________ strikes at a global scale - ️️Epidemic, pandemic, epidemic 1 microgram (μg) is equal to how many milligrams (mg)? - ️️0.001 5' AGGTCTAATCCGTGTGAGCGGCGAC-[(AAAGTGTAGCCAGTA...

Closely packed purple nucleated cells" - ️️thymus A class is studying bgalactosidase activity in a bacterial culture. After a student adds ONPG to their sample, the student adds two drops of chloroform, mixes the samples, and allows the samples to sit before transferring the supernatant to a cuvette for a enzymatic assay reading using a spectrophotometry. To the student's surprise, their enzymatic assay reading was significantly lower than the rest of the class's. What is the best explan...

SCRN Exam Questions With Verified Answers Latest Updated 2024/2025 (GRADED) Penumbra - Answer- Salvageable tissue -oxygen -blood pressure -Glucose Perfusion - Answer- What oxygen delivers to the brain. Above the necklace-Anterior Circulation= - Answer- Unilateral deficits Below the necklace-Posterior circulation= - Answer- Bilateral deficits Circle of Willis-Collateral circulation= - Answer- Aneurysm Cerebrum - Answer- largest part of the brain Cerebrum: Frontal Lobe - Answer- Motor fun...

What does the P value mean? - ️️P is the probability that the differences between the groups are due to chance If P is smaller than 5% (0.05), the null hypothesis is rejected = low probability that the differences are due to chance If P is larger than 5% then we fail to reject the null = greater probability that the differences are due to chance T-test - ️️compares two groups and determines if they are statistically different from each other Pipette over delivery - ️️pushin...