Marker genes Study guides, Revision notes & Summaries

Describe the events of fertilisation that occur after the acrosome reaction. -Membrane of sperm and egg cell fuse together -cortical granules release contents into zona pellucida -Zona pellucida thickens -Haploid nuclei fuse Explain how phospholipids form a cell surface membrane -Hydrophilic parts associate with water -Hydrophobic parts repel water -a bilayer forms with hydrophobic parts pointing in towards the centre of the bilayer Describe the role of the CFTR protein in e...

OpenStax Microbiology Test Bank Chapter 12: Modern Applications of Microbial Genetics * = Correct answer Multiple Choice 1. Which of the following is the definition of biotechnology? A. The alteration of DNA in a cell B. The use of living systems to benefit humankind* C. Using computers to synthesize biomolecules D. Using DNA for solving mathematical problems 2. Which of the following is the definition of genetic engineering? A. The alteration of DNA in a cell* B. The use of livin...

Advanced Patho HESI Questions and Answers Rated A+ The nurse hears short, high-pitched sounds just before the end of inspiration in the right and left lower lobes when auscultating a client's lungs. How should this finding be recorded? Fine crackles are short, high pitched sounds heard just before the end of inspiration that are the result of rapid equalization of pressure when collapsed alveoli or terminal bronchioles suddenly snap open. The nurse is assessing an older client and determines ...

What are the four major classes of eicosanoids? Thromboxanes, prostaglandins, leukotrienes, lipoxins. From what are eicosanoids derived from? Arachidonic acid. What is UDP-glucose important for? UDP-glucose is used in the synthesis of Lactose, glycoproteins, Glycoproteins, glycosaminoglycans. Where does rRNA synthesis occur? Nucleolus What is the active form of DNA called? Euchromatin What are the three regions of the nucleolus? Pars Granulosa, Pars Fibro...

dCE - Answer-ry DCE - Answer-RZ Hardy Weinberg equation - Answer-Used to calculate allele and genotype frequencies in a population when the frequency of one genetic trait is known HLA antigens - Answer-Certain characteristics of blood group and ____________ antigens make them useful tools for parentage analysis Direct exclusion, indirect excursion - Answer-Assuming maternity is correct, paternity can be excluded in one of two ways Genetic markers present in the child but is absent from ...

ALU 301 - Ch 2 - Inflammatory Bowel Disease (2024) inflammatory bowel disease (IBD) Term used for 2 inflammatory conditions of undetermined etiology. 1. Ulcerative Colitis (UC) 2. Crohn's Disease (CD) --Generally accepted idea that UC and CD are diff dz's but have overlapping manifestations making it difficult to distinguish one from the other --Both manifest as dz's of GI tract characterized by chronic inflammation w intermittent periods of exacerbation and remission. Both can be ass...

SCI 225 FINAL EXAM STUDY GUIDE PATHOPHYSIOLOGY (SCI 225) EXAM 100+ QUESTIONS AND CORRECT ANSWERS 2024 GRADED A+ LATEST GUIDE. 2 / 24 1. Be familiar with the following terms: pathogenesis, sequel, etiology, idio- pathic, congenital, metabolic degenerative and traumatic: Pathogenesis: de- scribes how the cause of a disease leads to anatomical and physiological changesin the body that ultimately result in the disease.Sequel:The aftermath of a particulardisease. Etiology:The cause, set of c...

S. marcescens is gram _____ Negative What is used to generate S. marcescens strains with mutations in pigment-generating genes transposon mutagenesis What is a transposon? a mobile genetic element. A transposon contains one or more genes, including a transposase gene, which are flanked by insertion sequences What is a transposase? an enzyme that facilitates the genetic element's movement about the genome How is a transposon different from a plasmid? Unlike a pla...

Genetics Exam 2 practice exam 107 Questions with Verified Answers In five Hfr strains, each of which was used to build a time-of-entry map, the genes entered the recipient cells as follows: Strain 1: S L A C T F Strain 2: N P F T C A Strain 3: T F P N U Y Strain 4: S H Y U N P Strain 5: U N P F T C Which of the following represents a correct compilation of these results? A) S L A C T F P N H C U B) N P F T S L A C H U T C) T C A L S P N U Y H D) U N P F T C A L S T F E) S L A C T F...

MCB Exam 3 Questions & Answers 2023/2024 What is meant by recombinant DNA? - ANSWER-DNA w/fragments from 2+ sources Name the tools used to make a recombinant DNA. (mechanisms of gene cloning) - ANSWER-1) Isolate plasmid DNA from bacterial cell 2) Isolate DNA of interest 3) Insert gene of interest into plasmid DNA 4) Insert now recombinant DNA into bacterium 5) Culture bacteria to make copies Restriction enzymes - ANSWER-endonuclease that cuts DNA at specific sites Cloning vecto...