Gene methylation Study guides, Class notes & Summaries

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...

(MB) ASCP Practice Exam 2023/2024 150 Questions and Answers Which of the following is not a component of a nucleotide? Phosphate group Anti-codon Ribose sugar Nitrogen base - correct answers Anti-codon According to Chargaff's rule of base pairing, adenine pairs with: - correct answers Thymine What genes would be screened in a breast cancer panel? - correct answers HER2, ERBB2, BRCA1 Next Generation Sequencing uses: - correct answers Short sequence reads Purines and pyrimidines differ ...

B form DNA correct answersRight handed, 10.5 bp Lysine (K) and Arginine (R) correct answersAssociated with Histones Bromophenol blue correct answersTracking dye Capillary electrophoresis correct answersMust be ss PFGE buffer correct answersTBE Store RNA > 7 months correct answers-70 ethanol Branched DNA correct answersDNA/RNA targets Methylation or FISH correct answersPWS/AG Nested PCR correct answers2nd step, more specific Denaturation HPLC correct answersDetecting...

BIO 1A03 Test 2 Questions and Answers Already Passed one gene-one enzyme hypothesis each gene contains the information needed to make an enzyme What did George Beadle and Edward Tatum research? Relationship between genes and proteins using the Neurospora Crassa One gene-one enzyme hypothosis (Neuroposa Example) Neurospora can grow well on minimal medium (simple sugar, vitamins, inorganic salts), and therefore it must have enzymes produced by a certain gene that that transform these materials i...

Psych 460 Exam 1 PASSED Exam Questions and CORRECT Answers Genome - Correct ANSWER- each person's complete set of hereditary information Epigenetics - Correct ANSWER- the study of stable changes in gene expression that are mediated by the environment Methylation - Correct ANSWER- a biochemical process that reduces expression of a variety of genes and that is involved in regulating reactions to stress, the earlier you methylate the more it works Nature refers to - Correct ANSWER- gene...

Psychopharm Exam 1 practice 170 Questions with Verified Answers The PMHNP is evaluating a 68-year-old man for symptoms of major depression. While assessing the appearance of the patient, an obvious left-sided ptosis is noted. Which cranial nerve is directly linked to this condition? a. III b. IV c. V d. VI - CORRECT ANSWER A A 55-year-old woman has been referred for a psychiatric evaluation for a change in personality, lack of impulse control, and increasingly reckless decision-making....

Pyrimidine dimers formed in DNA due to UV radiation can be repaired by? SOS repair Double strand break repair Mismatch repair Photoreactivation repair (nucleotide excision repair) Base excision repair - CORRECT ANSWER Photoreactivation repair (nucleotide excision repair) Which of the following repair mechanisms uses methyl groups to distinguish between parental and daughter strands? Answers: Mismatch repair Photoreactivation repair (Nucleotide excision repair) SOS repair Doubl...

The tryptophan operon is a repressible operon that is: - ANSWER-Turned off whenever tryptophan is added to the growth medium. The lactose operon is likely to be transcribed when: - ANSWER-The cyclic AMP and lactose levels are both high within the cell. For a repressible operon to be transcribed, which of the following must occur? - ANSWER-RNA polymerase must bind to the promoter, and the repressor must be inactive. Which of the following, when taken up by the cell, binds to the represso...

Genetics Exam #2 With Questions and Answers 100% Solved What is the molecular mechanism for imprinting a gene? a. acetylation b. methylation c. phosphorylation d. mutation e. nitration - answerB Genomic imprinting most commonly uses____ to ____genes. Select one: a. acetylation : activate b. methylation : activate c. phosphorylation : activate d. methylation : deactivate e. phosphorylation : deactivate - answerD Individuals with three copies of most autosomes do not survive. Indivi...

Bs161 final 2024 Exam Questions With Answers In messenger RNA, the protein-coding sequence is present in: Question options: exons. introns. exons and the poly(A) sequence. introns and the poly(A) sequence. - ANSWER exons. Which process produces multiple proteins from the same primary transcript in the same cell? Question options: chromatin remodeling histone modification alternative splicing combinatorial control - ANSWER alternative splicing Alternative splicing allow...