What is hplc used for - Study guides, Class notes & Summaries

Biochemistry ACS Exam Questions With Complete Answers Nonpolar, aliphatic AA's - CORRECT ANSWERS gly, ala, pro, val, leu, ile, met Aromatic AA's - CORRECT ANSWERS phe, Tyr, trp What wavelength do aromatic aa's absorb light? - CORRECT ANSWERS 280 nm Polar, uncharged aa's - CORRECT ANSWERS Ser, Thr, Cys, Asp, Glu Are Disulfide bonds hydrophobic or hydrophilic? - CORRECT ANSWERS hydrophobic Polar, Positively charged (basic) aa's - ...

1. How do the molecules that play a role in living cells compare to those encountered in organic chemistry? a. They are the same, just operating in a different context. b. Biological molecules are organic molecules, but the similarity ends there. c. Biological molecules aren't similar to organic molecules at all. d. Biology isn't based on molecules at all, but a "vital force". ANSWER: a POINTS: 1 QUESTION TYPE: Multiple Choice HAS VARIABLES: False LEARNING OBJECT...

Biochemistry ACS 2023 Exam With 100% Complete Solutions Nonpolar, aliphatic AA's - ANSWERS gly, ala, pro, val, leu, ile, met Aromatic AA's - ANSWERS phe, Tyr, trp What wavelength do aromatic aa's absorb light? - ANSWERS 280 nm Polar, uncharged aa's - ANSWERS Ser, Thr, Cys, Asp, Glu Are Disulfide bonds hydrophobic or hydrophilic? - ANSWERS hydrophobic Polar, Positively charged (basic) aa's - ANSWERS ...

Diurnal variation Correct Answer: Changes in concentration of an analyte based on the time of the day (measured at day vs. night time) What is increased in the AM? (b/c of diurnal variation) Correct Answer: ACTH, Cortisol, Iron ACTH role Correct Answer: adrenocorticotropic hormone- stimulates adrenal cortex to secrete CORTISOL How does stress affect chemistry values? Correct Answer: Increase in ACTH, cortisol, and catecholamines Catecholamines Correct Answer: Hormones made by ad...

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. - Answer- c. pre-analytical, analytical, and post-analytical. The process by which test results achieve the same high levels of accuracy and precision that can be reproduced across measurement systems, laboratories ...

A graphical presentation of run to run or day to day quality control values is a Select one: a. Levey-Jennings chart. b. systematic flow chart. c. westgard chart. d. lawson chart. - Answer- Levey-Jennings chart An abrupt demonstrated change in the mean is a Select one: a. shift. b. trend. c. variance. d. deviation. - Answer- shift Qualitative examinations are those that a. qualify for waived testing. b. produce non-numerical results. c. do not require quality control. d. do n...

Barbituates -ANSWER Four main categories: 1. Ultra-short-acting - used to induce surgical anesthesia 2. Short-acting 3. Intermediate-acting - used as sedative-hypnotics 4. Long-acting Butalbital -ANSWER Barbituate. Used in treatment of migraines. Phenobarbital -ANSWER Barbituate. Used as anticonvulsant. Pentobarbital -ANSWER Barbituate. Used to relieve intracranial pressure following trauma. Atropine -ANSWER Belladonna Alkaloid. Derived from certain plants including jimson weed a...

ASCP Exam Questions and elaborated answers 2023 Which is required to generate cDNA A. DNA polymerase B. RNase H C. Restriction Enzyme D. Helicase - CORRECT ANSWER-B What is the function of Taq Polymerase - CORRECT ANSWER-recognize dsDNA You have a 50 μL primer stock at 9pM/μl and want dilute the stock to 900nM. How much stock should you add(what is the dilution factor) - CORRECT ANSWER-2 What gene causes hypersensitivity to Irinotecan? - CORRECT ANSWER-UGT1A Which allele causes hy...

ASCP MB: Extra-Practice Questions and Answers Scored A The Klenow fragment of E. coli DNA polymerase I is used: to label DNA probes by random primer labeling. What is a solution hybridization method for the detection of nucleic acid:protein interactions? gel mobility shift assay _____ involves mixing a labeled oligonucleotide with a protein extract to see if a specific interaction occurs, visible with an apparent increase in molecular size on a gel due to the protein:nucleic acid interaction. ...

Clinical Chemistry- Chapter 1: Basic Principles and Practices Questions and Answers with complete solutions Unit - ANS- Defines the physical quantity or dimension, such as mass, length, time, or volume Système International d'Unités (SI) - ANS- Preffered in scientific literature and clinical laboratories and is the only system employed in many countries. 1960 - ANS- When was Système International d'Unités adopted internationally? Système International d'Unités (Si) - ANS...