Dna extraction - Study guides, Class notes & Summaries

MB(ASCP) Exam Practice Latest Update 2024 what does topoisomerase do? - Answer ️️ -breaks phosphate backbone to "un" supercoil DNA Another name for Topoisomerase II - Answer ️️ -Gyrase Helicase - Answer ️️ -Un"zips" DNA at replication fork What makes up the primosome? - Answer ️️ -1. primase 2. helicase 3. DNA C NASBA stands for... - Answer ️️ -nucleic acid sequence based amplification NASBA - Answer ️️ -RNA is target RNA-->cDNA Reverse transcriptase (RN...

QBM Exam 3 Questions And Answers With Complete Solutions 2024 Chapter 13 - DNA Purification, Agarose Gel Electrophoresis, and DNA Visualization - answer The genetic information of all living organisms is contained within the sequence of ____ ____ = Examples include: purines and pyrimidines = For most organisms, the genetic information is contained in nucleic acids of the deoxyribonucleic acid (DNA), or ribonucleic acid (RNA) in certain viruses - answernucleic acids ______ is a complete s...

AAB MT Immunology Review Exam Questions and Answers Concerning antigen-antibody reactions, the prozone effect causes which of the following results? A. False positive B. False negative C. No reaction D. Mixed field reaction - Ans ️️ -B. False negative The following characteristics are applicable to Interferon-Gamma Release Assays (IGRAs) except: A. Can be used in patients with active tuberculosis disease symptoms B. Preferable for patients who have received a bacillus Calmette-Gué...

CASPER TEST QUESTIONS & ANSWERS 2024/2025 Describe a disappointment from your life. - ANSWERS Describe one time when your boss had to confront you about an issue with your work. Tell me about a time that you made a mistake at work. - ANSWERSAbout a month in, working as a research assistant in a pancreatic cancer laboratory, some of my Polymerase Chain Reactions for a specific gene were not working. My boss told me that I my DNA extraction probably was not clean enough, or not enough DNA ...

Which of the following is the MOST effective mechanical method of controlling bleeding occurring from needle holes in vessel anastomoses? - correct answer pledget In which of the following positions is a patient placed for a right nephrectomy? - correct answer left lateral kidney Which of the following verifies that autoclave sterilization has occurred? - correct answer a. chemical indicator (incorrect) b. Julian date c. heat-sensitive tape d. biological indicator During a procedure,...

Salmonella typhi specimen collection → initially present in peripheral bloo but not in urine or stool util at least 2 weeks after infection Smallpox must be handled only in approved laboratories → level 4 containment When processing whole blood, why is it important to remove homoglobin → can inhibit DNA polymerase and prevent amplification of nucleic acid resulting in false-negative PCR result Inhibitors or DNA pol. in urine → -nitrate → -crystals → -hemoglobin → -bet...

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 coordinated coupling of tRNA to mRNA codons Feedback inhibition - Answer Product of pathway is noncompetitive inhibitor Binds to all...

Biology B Cumulative Exam Review Questions with Verified Solutions Which field of study emerged as a result of advancements in understanding DNA? 1. Genetic modification 2. Agriculture genetics 3. Animal genetics 4. Atomic engineering Genetic modification Cherie created a time chart highlighting key milestones in the study of heredity. The time chart includes: - Mendel's principles - Cell doctrine - DNA configuration - ? 2 What should be placed at the end of Cher...

NBSTSA CST Practice Exam A Which of the following is the MOST effective mechanical method of controlling bleeding occurring from needle holes in vessel anastomoses? - ANSWER pledget In which of the following positions is a patient placed for a right nephrectomy? - ANSWER left lateral kidney Which of the following verifies that autoclave sterilization has occurred? - ...

SUCCESS! in Clinical Laboratory Science - Molecular Diagnostics (26-50) Exam Graded A+ For the purpose of diagnosing genetic diseases, what component of whole blood is used for the extraction of DNA? A. Leukocytes B. Plasma C. Platelets D. Red blood cells - answerA. Leukocytes A. Leukocytes are routinely used for extraction of DNA from human blood. Mature red blood cells and platelets have no nuclei. Plasma or serum can be used for detection of viremia, but it is not used for analysis...