Blotting Samenvattingen, Aantekeningen en Examens

What modification neutralizes the charges on histones and looses up the interactions between histones and DNA? - Answer- ACETYLATION Two types of post-transcriptional modifications that take place in the mRNA of eukaryotes - Answer- the addition of a CAP at the 5' end of the transcript and the addition of a POLY A sequence at the 3' end of the message Nucleic acid blotting is widely used in recombinant DNA technology. In a Southern blot one generally - Answer- Hybridizes filter-bound DNA w...

Samenvatting van syllabus, lessen en aantekeningen. Compact maar moeilijke dingen wel goed verduidelijkt

basic stains CORRECT ANSWER methylene blue, crystal violet, safranin are all examples of what kind of stain? acidic stains CORRECT ANSWER nigrosin is an example of what kind of stain? 1. smear preparation 2. fixation (heat) 3. staining CORRECT ANSWER simple staining procedure bibulous paper CORRECT ANSWER a special absorbent paper used to dry slides; blotting paper 10x CORRECT ANSWER what objective lens should you always start with? 40x and 100x CORRECT ANSWER When focusing the ...

VTNE Practice Test (A) Which type of suture material is more likely to "wick" fluid along it therefore, should be be used in a contaminated environment? - Braided polyglactin 910 How many grams of sodium chloride should be dissolved in 1.5L of water to make a 12% solution? - 180g 1500 x 0.12 = 180 In treating hypovolemic shock in the canine, the most important form of therapy is to : - Administer IV fluids The lingual surface of the tooth is closest to the: - Tongue The st...

Adaptive immunity - Answer- specific Two types of adaptive immunity - Answer- Humoral immunity- B cells regulating antibodies Cell Mediated Immunity- T cells regulating innate immunity - Answer- non-specific phosphodiester linkage - Answer- covalent bonds that join adjacent nucleotides between the -OH group of the 3' carbon of one nucleotide and the phosphate on the 5' carbon of the next disulfide bonds - Answer- 2 cysteine residues can covalently bond to form disulfide bonds whic...

A molecular technique in which DNA sequences between two oligonucleotide primers can be amplified is known as A. southern blotting B. northern blotting C. polymerase chain reaction D. DNA replication

In a large nuclear war, nuclear detonations in cities and industrial areas would ignite enormous ____________ that would produce millions of tons of dense, black soot/smoke, which would be quickly lofted ________ and rise into the ______________. CORRECT ANSWER firestorms, above cloud level, stratosphere Drs. Robock and Toon have predicted that a nuclear war between India and Pakistan, in which a total of ____ atomic bombs are detonated in the largest cities of these two nations, would cause ...

AP Bio Genetics, RNA, and DNA Practice Exam 110 Questions with Verified Answers In his transformation experiments, what did Griffith observe? a. Mutant mice were resistant to bacterial infections. b. Mixing a heat-killed pathogenic strain of bacteria with a living nonpathogenic strain can convert some of the living cells into the pathogenic form. c. Mixing a heat-killed nonpathogenic strain of bacteria with a living pathogenic strain makes the pathogenic strain nonpathogenic. d. Infecti...

California State barber board exam 2022 with complete solution, Questions with accurate answers. 2022/2023 Document Content and Description Below California State barber board exam 2022 with complete solution What is a steatoma? >> Sebaceous cyst of subcutaneous tumor filled with sebum The cause of acne vulgaris is >> Chronic inflammation of hair follicles and associated sebaceous glands, 1. hormone associated increase in sebum production and excess keratin production block follicl...

OpenStax Microbiology Test Bank Chapter 20: Laboratory Analysis of the Immune Response * = Correct answer Multiple Choice 1. Most antigens have how many epitopes? A. none B. one C. two D. more than two* Difficulty: Easy ASM Standard: N/A 2. Which best describes monoclonal antibodies? A. They are produced in living animals only. B. They are produced in tissue cultures, using B cells extracted from living animals.* C. They are rarely used, so polyclonal antibodies are preferred. ...