Maternal imprinting Study guides, Revision notes & Summaries

Chapter 01: Cellular Biology Huether & McCance: Understanding Pathophysiology, 6th Edition MULTIPLE CHOICE 1. A student is observing a cell under the microscope. It is observed to have supercoiled DNA with histones. Which of the following would also be observed by the student? a. A single circular chromosome b. A nucleus c. Free-floating nuclear material d. No organelles ANS: B The cell described is a eukaryotic cell, so it has histones and a supercoiled DNA within i...

An ordered photographic display of a set of chromosomes from a single cell is a(n): A) metaphase spread. B) autosomal spread. C) karyotype. D) anaphase spread. - Answer c An error in which homologous chromosomes fail to separate during meiosis is termed: A) aneuploidy. B) nondisjunction. C) polyploidy. D) anaplasia. - Answer b A somatic cell that does not contain a multiple of 23 chromosomes is called: A) an aneuploid cell. B) a euploid cell. C) a polyploidy cell. D) a haploid ...

PSYC 101 Final Exam Questions and Answers | All Modules Answers Graded A+ | 2023/2024. True or false? Erikson’s model illustrates a lifespan perspective of development. True 1. What are two critiques, discussed in the module, regarding Freud’s psychosexual stages? (4 points) Two critiques that were discussed in the module, regarding Freud's psycho-sexual stages come from experienced theorists and researchers. The first critique deals with the fact that Freud combined the adolescent and...

Biology Chapter 18 Practice Test 44 Questions with Verified Answers In the case of E. coli, the bacterium may need to synthesize tryptophan, or its host, a human, may supply all the tryptophan it needs. Why do both bacteria and humans need tryptophan? A) It is an important enzyme in the glycolysis pathway. B) It is one of the 20 amino acids used by all organisms to synthesize proteins. C) It is an important constituent of cell walls in both humans and bacteria. D) Tryptophan induces the ...

UNT Biology 1710 Practice Exam 3|52 Questions with Verified Answers An excellent example of the genetic phenomenon known as continuous variation would be: a. flower color in plants. b. height in humans. c. human blood groups. d. epistasis. e. fur color in arctic animals - CORRECT ANSWER B) height in humans A human genetic trait passed from one generation to the next has an unusual inheritance pattern. The genotype and phenotype of the offspring depends only upon the genotype of the mo...

Angelman Syndrome causes (expression and % of total) correct answers **paternal imprinting defect, should be maternal expression 5-7 kb deletion on maternal chr15q11.2-13 (60-70%) UBE3A maternal deletion (11%) Paternal UPD15 (3-7%) Angelman testing strategy and condition features correct answers methylation first since finds ~80% of cases then UBE3A seq and del/dup features: happy demeanor, abnormal gait, seizures, delayed/absent speech Prader-Willi Syndrome causes (expression and...

ASCP Exam Questions and Answers Actual Test 100% Correct Which is required to generate cDNA A. DNA polymerase B. RNase H C. Restriction Enzyme D. Helicase B What is the function of Taq Polymerase recognize dsDNA You have a 50 μL primer stock at 9pM/μl and want dilute the stock to 900nM. How much stock should you add(what is the dilution factor) 2 What gene causes hypersensitivity to Irinotecan? UGT1A Which allele causes hypersensitivity to Carbamazepine? HLA-b*1502 What gives ...

NR 507 MIDTERM EXAM ALL EXAMS COMBINED AND STUDY GUIDE LATEST 5 NEW VERSIONS VERIFIED QUESTIONS AND ANSWERS NRI507IAdvancedIPathophysiologyIMidtermIExam ScoreIforIthisIquiz:I118IoutIofI120 I Question 1 2 / 2 pts TheIlungIisIinnervatedIbyItheIparasympatheticInervousIsystemIviaIwhichInerve? Vagus Phrenic Brachial Pectoral FibersIofItheIparasympatheticIdivisionIofItheIautonomicInervousIsystemI(ANS)Itravel onlyI IinItheIvagusInerveItoItheIlung. Question 2 2 / 2 pts WhatIisItheIa...

A runner has depleted all the oxygen available for muscle energy. Which of the following will facilitate his continued muscle performance? - Answer: Anaerobic glycolysis What causes the rapid change in the resting membrane potential that initiates an action potential? - Answer: Sodium gates open, and sodium rushes into the cell, changing the membrane potential from negative to positive. A 12-year-old male is diagnosed with Klinefelter syndrome. His karyotype would reveal which of the follo...

A runner has depleted all the oxygen available for muscle energy. Which of the following will facilitate his continued muscle performance? Answer: Anaerobic glycolysis What causes the rapid change in the resting membrane potential that initiates an action potential? Answer: Sodium gates open, and sodium rushes into the cell, changing the membrane potential from negative to positive. A 12-year-old male is diagnosed with Klinefelter syndrome. His karyotype would reveal which of the...