Purine Study guides, Class notes & Summaries

USMLE STEP 1 BIOCHEMISTRY Questions and Answers with Complete Solutions 2024 histones are rich in which 2 AA's - ANSlysine & argenine Barr bodies (what, type of chromatin) - ANSinactive X chromosomes heterochromatin (highly condensed, sterically inaccessible) less condensed, transcriptionally active, sterically accessible chromatin - ANSeuchromatin DNA methylation at CpG islands - ANSrepresses transcription "CpG Methylation makes DNA Mute" DNA methylation (what is methylated and why...

Central Dogma - correct answerDNA-(Transcription) - RNA- (Translation) -Protein DNA Structure - correct answer1. Deoxyribose: 5 Carbon atoms are numbered 1' to 5' . Hydrogen attached to 2'. Sugar 2. Phosphate group Sugar-Phosphate backbone is asymmetric because PO4 groups connect the C5' of a sugar with the C3' of neighbouring sugar. = Asymmetric ends because the C5' end is attached to a PO4 and the C3' end is simply a hydroxyl group of the sugar. 3. Nucleic Acid: No-covalently bon...

Detailed Answer Key Medical Surgical Exam A+ Latest Updated Solutions 2024. Detailed Answer Key Medical Surgical 1. A nurse is reviewing the cause of gout with a group of nurses. Which of the following statements should the nurse make? A. "Uric acid levels drop and calcium forms precipitate." Rationale: With gout, clients have hyperuricemia, rather than a reduction in uric acid. B. "Tophi form in the kidneys and they impair the excretion of uric acid." Rationale: Tophi, or deposits i...

MedSurg Final Exam Practice Tests Questions and Correct Answers (2024/2025) (Verified Answers). The nurse is admitting a patient with the diagnosis of advanced renal carcinoma. Based upon this diagnosis, the nurse will expect to find which of the following as the "classic triad" of presenting symptoms occurring in patients with renal cancer? A. Fever, chills, flank pain B. Hematuria, flank pain, palpable mass C. Hematuria, proteinuria, palpable mass D. Flank pain, palpable abdominal mass...

ATI Medical Surgical Immunity and Infection Exam Questions & Answers, With Rationales-A nurse is caring for a client who has human immunodeficiency virus (HIV). The client asks the nurse, "Should I tell my partner that I am HIV positive?" Which of the following statements should the nurse give? a. "This is your decision alone." b. "I would if I were you." c. "It sounds like you are unsure what to say to your partner." d. 'Your provider is required by law to notify your partner." - c. "It...

Phosphorus has an atomic number of 15. This tells us that... - Answer-there must be 15 protons True or False: covalent bonds are stronger than ionic and hydrogen bonds because atoms that are joined with covalent bonds share electrons - Answer-True An e- in a hydrogen atom exists in the first valence shell. The valence e- of Aluminum exist in the 3rd shell. Which valence shell e- have higher potential energy and why? - Answer-the valence e- of aluminum, bc higher e- shells have higher energy...

ATI RN MEDICAL-SURGICAL PROCTORED EXAM ALL 180 QUESTIONS & ANSWERS WITH RATIONALES |GUARANTEEDA+ PASS: UPDATED A nurse is planning care for a client who has a full-thickness burns on the lower extremities. Which of the following interventions should the nurse include? a) Limit visitation time for client’s children to 40 minutes per day b) clean the equipment in the client's room once per week c) provide a diet of fresh fruits and vegetable for the client d) apply new gloves when ...

2023 ATI med surg proctored exam latest update graded A+ A nurse is planning care for a client who has a full-thickness burns on the lower extremities. Which of the following interventions should the nurse include? a) Limit visitation time for client's children to 40 minutes per day b) clean the equipment in the client's room once per week c) provide a diet of fresh fruits and vegetable for the client d) apply new gloves when alternating between wound care sites - ANSWER-d)...

RN ATI Capstone Proctored Comprehensive Assessment 2019 A /ATI Comprehensive Practice 2019 A/ Latest Version /Questions and Answers. ATI Comprehensive Practice 2019 A a nurse is planning care for a client who is receiving heparin to treat a deep vein thrombosis of the left lower leg. which of the following interventions should the nurse include in the plan of care? - elevate the affected leg ambulation should be encouraged a nurse is teaching a group of guardians about child safety measu...

What are the 4 nitrogenous bases? Which pair together? Correct Answer-adenine (A), thymine (T), cytosine (C), guanine (G) A->T, C->G What are the issues with these combinations: 1.) Pyrimidine + Pyrimidine = 2.) Purine + Purine = 3.) Pyrimidine + Purine = Correct Answer-1.) width of DNA too narrow 2.) width of DNA too wide 3.) width of DNA consistent with X-ray model Which bases are purines and which are pyrimidines? Correct Answer-purines: A,G pyrimidines: T,C What are...