Polymerization - Study guides, Class notes & Summaries

Manicurist Written Exam Questions and Answers 100% Pass abrasive files are used to remove and shape which of the following? a. lunula b. nail bed c. cuticle d. free edge d. free edge what implement adds shine and smoothes wavy ridges on the natural nail during a manicure? a. course file b. metal file c. nail brush d. nail buffer d. nail buffer which of the following implements are disposable after using on a client? a. metal pusher b. nippers c. abrasive file d....

What is a benefit of resin-based sealants? A.) Fluoride is released from material to inhibit decay B.) When placed correctly, retention is excellent C.) Bond strength is improved in a moist environment D.) No polymerization shrinkage occurs - Correct Answer-B.) When placed correctly, retention is excellent Which is the most common desensitizing agent found in over-the-counter dentifrices? A.) Potassium B.) Glutaraldehyde C.) Hydrogen Peroxide D.) Triclosan - Correct Answer- ...

Chp 21: What is the region immediately adjacent to the starting site for RNA polymerization called? A) promoter B) enhancer C) initiator D) consensus sequence E) TF binding site A) promoter Chp 21: Which of the eukaryotic transcription factors is responsible for binding the TATA box? A) TFIIB B) TFIID C) TFIIE D) TFIIF E) TFIIH B) TFIID Previous Play Next Rewind 10 seconds Move forward 10 seconds Unmute 0:01 / 0:15 Full screen Brainpower Read More Chp 21...

Degree of polymerization: Correct Answer-number of structural units in the chain Homopolymer Correct Answer-polymer structure contains same repeating unit Heteropolymer Correct Answer-polymer structure contains different repeating units Copolymer Correct Answer-a polymer derived from more than one species of monomer All heteropolymers are copolymers but the reverse is not true: JUSTIFY!! Correct Answer-B/c copolymers can still have single repeating unit (like PET, PC) Number avera...

Bio 201-Lectures 1-9 UB Guaranteed Success -condensation reaction -releases H2O -requires energy ️polymerization -hydrolysis reaction -consumes h2o -releases energy ️depolymerization -log[H+] ️Which of the following is the correct definition of pH? -OH or both NH2 and C=O ️polar unchargeds molecules contain . β-D glucose ️Cellulose is a polymer of which isomer of glucose? 0 ️A solution of 1M HCl (a very strong acid) has a pH of: 1. atp binds to actin monomers 2. actin in fil...

Degree of polymerization: - ANSWERnumber of structural units in the chain Homopolymer - ANSWERpolymer structure contains same repeating unit Heteropolymer - ANSWERpolymer structure contains different repeating units Copolymer - ANSWERa polymer derived from more than one species of monomer All heteropolymers are copolymers but the reverse is not true: JUSTIFY!! - ANSWERB/c copolymers can still have single repeating unit (like PET, PC) Number average molecular weight (Mn) - ANSWERMn...

Shelf Life - ANSWERthe _________ of embalming fluid refers to the length of time the fluid maintains its functionality before it is used. Temperature, Time, pH, Light - ANSWERwhat are 4 factors that affect the shelf life of embalming chemicals? Elevated - ANSWER________ temperatures accelerate polymerization of formaldehyde into paraformaldehyde, a solid that precipitates out of the solution. This has an overall effect of reducing the index of the remaining fluid. Decomposition - ANSWER...

Dental Polymers/Denture Base Resins UPDATED ACTUAL Exam Questions and CORRECT Answers Which of the following is true regarding addition polymerization? a. It occurs in three stages: initiation, margination, and condensation. b. Monomers have a core of two silicon atoms joined by a double bond

Accuracy - Answer the agreement of a particular value with a true value Acid - Answer a substance that produces hydrogen ions in solution; a proton donor Acid-base indicator - Answer a substance that marks the end point of an acid-base titration by changing color Acid rain - Answer a result of air pollution by sulfur dioxide Acidic oxide - Answer a covalent oxide that dissolves in water to give an acidic solution Actinide series - Answer a group of 14 elements followin...

What is the cause of chalking in epoxy coating - ANSWER UV or radiation exposure What is polymerization cured coating? - ANSWER Two parts mixed together just prior to use Examples of non-convertible coatings - ANSWER 1. Chlorinated rubber 2. Vinyl 3. Acrylic 4. Bituminous Non-convertible curing def. - ANSWER No chemical change during cure cycle