Type of spectrophotometer Study guides, Class notes & Summaries

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

PNB Practical II Exam - Complete Solutions (Answered) The characteristic of Emphysema is: a. increase in number of alveoli b. thickness of alveolar wall c. dilation of alveoli d. formation of granulomas The lab instructor asks you to "at the end of a quiet inspiration, take in as much additional air as you possibly can". This additional volume you inspire above the tidal volume represents: a. expiratory reserve volume b. inspiratory reserve volume c. inspiratory capacity d. vital capacity e....

Lab 1: What are the 4 primary tissue types? Epithelial, Connective, Muscle, Nervous Lab 1: Major roles, subtypes or cell types of Epithelial tissue -fxn: protect, secrete, absorption, excretion -Types of Membranes: Columnar, Cubodial, Squamos -Glands: Endocrine & Exocrine Lab 1: Membrane: Columnar -column like -found in intestines Lab 1: Membrane: Cubodial -cube shape -found in kidney Lab 1: Membrane: Simple Squamous -squished/flat, found in air sacs of lungs...

Biotility BACE Practice Knowledge Exam 100% Pass cell theory states All life forms are made from one or more cells. Cells only arise from pre-existing cells. The cell is the smallest form of life. E.coli is an example of a eukaryote false Quality Assurance ensure that all products meet standards of quality in manufacturing process reasearch and development (R AND D) identify candidate biopharmaceutical drugs Manufacturing make commercial quantities of biopharmaceutical drug Which structure ...

QBM Final Exam Questions And Answers With Complete Solutions 2024 Define recombinant DNA technology Using molecular biology technique such as cloning, PCR, restriction enzymes digestion, and gel electrophoresis to take a gene from one source and joint it with another piece of DNA, creating a new recombinant DNA molecule that can be inserted in bacteria and further studied. What are 3 characteristics of DNA ? - Double strand - 5' to 3' directionality - antiparallel - base pairing [ad...

volumetric flask - Answer used to accurately prepare solutions of various concentrations often used in titrations erlenmeyer flask - Answer can be used for mixing, transporting, and reacting, but are not appropriate for accurate measurements repippette - Answer hand operated pump that dispenses solutions beakers - Answer can be used to measure mass or dissolve a solvent into a soulte graduated cylinder - Answer used for precise measurements and are more accurate than erlenmeyer fl...

MLPAO MLA/T Exam (Answered) Over 800 Questions and Correct Answers, Guaranteed A+ In Your Exams, Verified Guide Which of the following is the best example of homeostasis? a) Sexual reproduction b) Growth c) Regulation of body temperature d) Growth of hair under the arms e) Storage of food in the form of fat c) Regulation of body temperature The concentration of physiological saline is: 1 a) 5.0% b) 7.0% c) 8.5% d) 0.85% e) 0.7% d) 0.85% Which of the following pipettes is the most accurate...

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 - ANSWER-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 ...

Specimens that can be analyzed for carbon dioxide 1. Serum 2. Plasma 3. Whole blood What will happen if blood is exposed to air during specimen collection for pH and blood gases? p C O 2 decreases Henderson-Hasselbalch equation p H = p k a + log salt / acid What is the ratio of bicarbonate:carbonic acid in normal plasma 20:1 Lab results on a known diabetic patient revealed a decreased bicarbonate and decreased ph. Which acid base disorder would most likely cause...

BACE Exam Questions and Answers All Correct Heat-stable DNA polymerase - ANSWER polymerase chain reaction (PCR) Restriction enzymes (example: EcoRI) - ANSWER digestion DNA Horizontal gel electrophoresis box - ANSWER running DNA gels Vertical gel electrophoresis box - ANSWER Running protein gels (PAGE) DNA ligase - ANSWER joining pieces of DNA Measuring protein or DNA concentration - ANSWER spectrophotometer E. coli is an example of a eukaryote. - ANSWER False Cell theory states - ANSW...