Karyotype - Guides d'étude, Notes de cours & Résumés

1. A runner has depleted all the oxygen available for muscle energy. Which of the following will facilitate his continued muscle performance?: Answer: Anaerobic glycolysis 2. 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. 3. A 12-year-old male is diagnosed with Klinefelter syndrome. His karyotype...

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 cell...

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...

Under what circumstances should an infant with clinical features of Down syndrome be karyotyped? A. Only if the parents desire more children B. Only if the mother is younger than 35 years old C. Only if not all of the features of Down syndrome are present D. Only if the mother has had 3 early miscarriages E. Always correct answers E. Always What is the parental origin and stage of meiosis when most meiotic errors occur resulting in chromosomal trisomy? A. Maternal meiosis I B. P...

Science Olympiad Heredity UPDATED ACTUAL Questions and CORRECT Answers Genotype - CORRECT ANSWER- genetic makeup of an organism Phenotype - CORRECT ANSWER- what an organism looks like as a consequence of its genotype Karyotype - CORRECT ANSWER- a picture of all the chromosomes in a cell arranged in pairs

Test Bank for Huether and McCance's Understanding Pathophysiology, Canadian Edition, 2nd Edition by Kelly Power, Stephanie Zettel, , Mohamed Toufic El-Hussein Table of Contents PART ONE: BASIC CONCEPTS OF PATHOPHYSIOLOGY Unit 1: The Cell 1. Cellular Biology 2. Genes and Genetic Diseases 3. Epigenetics and Disease 4. Altered Cellular and Tissue Biology 5. Fluids and Electrolytes, Acids and Bases Unit 2: Mechanisms of Self-Defense 6. Innate Immunity: Inflammation and Wound Healing ...

UCI Bio 93 Final Exam Questions and Answers 100% Pass What are the four most common elements in living matter? - Correct Answer ️️ - Hydrogen, Oxygen, Nitrogen, and Carbon --make up 96% of all living matter. Properties of Acids - Correct Answer ️️ -Donate H+ to a solution, accept electrons, and have a pH of <7 What happens in the S phase of the cell cycle? - Correct Answer ️️ -DNA Synthesis What happens in the G1 phase of the cell cycle? - Correct Answer ️️ -Growth -- c...

T13 correct answers Nondisjunction; 1 in 12,000 SGA, MCA: hypotelorism, CLP, heart, brain and kidney defects RR is 1% T18 correct answers Nondisjunction; 1 in 6,000 SGA, MCA: prominent occiput, tightly clenched fingers, heart and brain defects Choroid plexus cyst on u/s RR is 1% T21 correct answers MATERNAL nondisjunction (90%); 5% translocation 21;**usually 14**; 2% mosaic T21 1 in 800 Hypotonic, heart (50%) and GI defects common Mild to moderate ID Immunodeficiency, leukemia com...

Pathophysiology Exam 1 Questions And Answers Graded A+ 2024. 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. - correct answer. c An error in which homologous chromosomes fail to separate during meiosis is termed: A) aneuploidy. B) nondisjunction. C) polyploidy. D) anaplasia. - correct answer. b A somatic cell that does not contain a multiple of 23...

The base components of DNA A, G, C, and T A 20-year-old pregnant female gives birth to a stillborn child. Autopsy reveals that the fetus has 92 chromosomes. What term may be on the autopsy report to this condition Tetraploidy A patient wants to know the risk factors for Down Syndrome. What is the nurse's best response? Pregnancy in women over age 35 A 13-year-old girl has a karyotype that reveals an absent homologous X chromosome with only a single X chromosome present. What medical ...