Spectrophotometer - Study guides, Class notes & Summaries

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...

Chlorine and iodine are classified as - halogens Obligate aerobes can only live - when oxygen is present Microorganism found thriving in a the permafrost region of the Arctic are - pychrophiles Facultative halophiles - tolerate an elevated salt concentration in the environment Most bacteria prefer to grow at which pH range? - Most bacteria prefer to grow at which pH range? The spectrophotometer is used in microbiology to - indirectly measure microbial growth Pyrimidine dimers are formed i...

PAX Science NLN Exam 2023/2024 ACTUAL EXAM REVISION 400 QUESTIONS WITH ANSWERS A person blows his breath into a straw that is placed in limewater. The limewater becomes cloudy because the person's breath contains A.) carbon dioxide. B.) hydrogen. C.) oxygen. D.) nitrogen. ANSWER ~: carbon dioxide. A physician measures the pulse and blood pressure (BP) of all patients on a routine basis. Which of these measurements show the normal BP values for a resting adult patient? A.) 125/95 ...

CHEM 1002 Lab 7 Coordination complexes - LAB REPORT template (Determination of K using spectrophotometry) Marquette University

CHM 2046L Final LAB (Phosphate concentration determination via spectrophotometric analysis of water )

MMSC407 Exam 1 Questions with All Correct Answers what type of light a Tungsden (Quartz-Vapor) exciter lamp shows us - Answer-visible light what type of light a Hydrogen/ Deuterium exciter lamp shows us - Answer-UV light what type of light a Xenon/MercuryVapor exciter lamp shows us - Answer-UV light visible light range - Answer-350-700 nm color absorbed at 350-430 nm - Answer-violet color absorbed at 430-475 nm - Answer-blue color absorbed at 475-495 nm - Answer-blue-green color abso...

An amperometric titration is often used when measuring Residual chlorine The most important reason for chlorinating effluent is Disinfection Chlorination serves primarily to destroy or deactivate disease-producing microorganisms When wastewater samples are chlorinated and the pH is lowered HCLO is formed Hypochlorous acid Which of the following constituents is the best disinfecting agent? HClO What is most likely to interfere with the DPD test? Oxidized man...

Bio 111 lab TAMU exam 1 latest 2023 graded A+ Accuracy a measure of how close a result matches a correct or standard value Precision a measure of variability. For example, three darts placed close together on a dartboard indicate high precision, but if this cluster of darts is far from the bullseye it would also indicate low accuracy Aliquot a portion of something (noun); or to divide or transfer a portion of something (verb). For this lab, aliquot refers to an amount of liquid Micropipette a...

ASCP Molecular Biology Certification Detailed Exam With Questions and Answers Well Answered A+ Graded 100% Excellence. Do you have to know the gene sequence in order to do DNA sequencing? - CORRECT ANSWER-Yes, in order to design primers You do NOT need to know the mutation Pyrimidine - CORRECT ANSWER-One carbon ring Cytosine, Thymine, Uracil Purine - CORRECT ANSWER-Two carbon rings Adenine, Guanine How are nucleotides joined together? - CORRECT ANSWER-Condensation to form phosphodie...

Beer's law says... Correct Answer-Absorbance is proportional to concentration Beer's law formula and purpose Correct Answer-A = ϵlc A: absorbance (measured by the spectrophotometer) ϵ: extinction coefficient l: path length of light through sample (usually 1 cm - printed on the cuvette) c: concentration To calculate concentration Absorbance formula Correct Answer-A = -log(I/Io) I: intensity of incident light Io: intensity of transmitted light To measure absorbance Beer...