Gene methylation Study guides, Class notes & Summaries

Choose the correct coding strand (non-template) from this template (non-coding) DNA: 5' ATC GAT 3' 3' TAG CTA 5' If one strand of chromosome 2 has a DNA sequence that consists of this: 5' AGA CTA ATT GCC 3', what will be the composition of the complementary DNA strand? (Select all that apply) 3' TCT GAT TAA CGG 5' 5' GGC AAT TAG TCT 3' The following sequence is the coding strand of the collagen gene: 5' GGC AAA TAT CGA 3' What is the sequence of the corresponding mRN...

(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 ...

ASCP MB: Extra-Practice Questions and Answers Scored A The Klenow fragment of E. coli DNA polymerase I is used: - Answer ️️ -to label DNA probes by random primer labeling. What is a solution hybridization method for the detection of nucleic acid:protein interactions? - Answer ️️ -gel mobility shift assay _____ involves mixing a labeled oligonucleotide with a protein extract to see if a specific interaction occurs, visible with an apparent increase in molecular size on a gel due to...

WGU Biochemistry Final Review 1. The polymerase chain reaction is a tool used to study protein structure. True False False Feedback PCR is a tool used to amplify a specific segment of DNA. What color is the primer in the following diagram? Red Purple Blue Red Feedback Recall from the section on DNA replication that DNA polymerase needs a primer to begin DNA synthesis. This requirement means the primers will direct the DNA polymerase to only synthesize complementary stran...

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...

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....

Exam 1: NURS611/ NURS 611 (NEW 2023/ 2024) Advanced Pathophysiology Exam | Questions and Verified Answers| 100% Correct| Grade A - Maryville QUESTION What is the chance of a lifetime risk of developing breast cancer for women who inherit the BRACA1 or BRACA2 gene? Answer: 50-80% QUESTION What is the risk of developing breast cancer if a woman has 1 affected 1st degree relative? Answer: double the risk QUESTION How common is a given disease in a populat...

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 Doub...

Genetics Second Exam Practice Test 150 Questions with Verified Answers Which organism has polycistronic mRNA? (eukaryotic or prokaryotic) - CORRECT ANSWER Prokaryotic Do prokaryotes undergo splicing/processing? - CORRECT ANSWER No Where are attenuater sequences found? (what type of organism and what class of operons?) - CORRECT ANSWER In prokaryotic amino acid operons Do prokaryotic mRNA ALWAYs encode trans-acting factors? - CORRECT ANSWER No Which of the following statements is t...

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...