What is dna - Study guides, Class notes & Summaries

Straighterline Microbiology Final Exam 2024 Questions With 100% Correct Answers The study of evolutionary relationships among organisms is called ______. - answerphylogeny The three cell types discussed, eukaryotes, archaea, and bacteria, all derived from ______. - answerLast Universal Common Ancestor Organisms called parasites are ______. - answeralways harmful to their host Which of the following does not indicate microbe involvement in energy and nutrient flow? - answerThermal hot spr...

WGU D236 Objective Assessment Pathophysiology Exam (Latest 2023/ 2024 Update) Questions and Verified Answers| Grade A Q: What is Spina Bifida? Why are relative deficiencies in Folic acid or B12 associated with Spina Bifida? Answer: Failure to close the neural tube early in gestation due to low folic acid and B-12 These vitamins help activate DNA synthesis in the developing fetus in the first 4 weeks of pregnancy, that are responsible for closing up the spinal column. Three types of spina...

Midterm Exam: NR546 / NR 546 (Latest Update 2024 / 2025) Advanced Pharmacology Psychopharmacology for the Psychiatric-Mental Health Nurse Practitioner Review | Complete Guide with Questions and Verified Answers | 100% Correct - Chamberlain Q: when could the client's cognitive status create an ethical issue Answer: if the client is unable to self determine care or is a danger to self or others Q: informed consent Answer: client has the right to receive enough information to make decisions about ...

Exam 1: NURS611 / NURS 611 (Latest 2024 / 2025) Advanced Pathophysiology Exam | Grade A Questions and Verified Answers | 100% Correct - Maryville Q: What is the main mechanism of damage to DNA by the ionizing radiation? Answer: from generation of reactive oxygen species from reactions with free radicals by radiolysis of water IT HURTS THE DNA THE MOST Q: What happens with physiologic processes with aging? Answer: every physiologic process can be shown to function less effeciently Q: What is sarc...

The structure of a strand of DNA. - Answer-it is a double helix, like a twisted ladder. the ladder rings are nucleotide subunits and they have a covalent bond to the sugar phosphate backbone (made of deoxyribose and a phosphate group) What are the nucleotide subunits? - Answer-adenine, guanine, cytosine, and thymine How are the subunits held together? - Answer-through a hydrogen bond What are the nucleotide subunits compliments? - Answer-Adenine and thymine cytosine and guanine How does D...

In the nitrogen cycle, which of the following steps involves removal of nitrogen from the atmosphere by bacteria? - correct answer Nitrogen Fixation If enough H+ ions are added to pure water to raise the H+ concentration of the solution to ten times higher than the original concentration, what is the resulting OH- concentration of the solution? - correct answer 10-8 M Fungi are able to reproduce asexually by creating conidiospores and sporangiospores. Which of the following is an accurat...

Technologist in Molecular Biology, MB(ASCP) board exam prep 2024 with 100% Correct Answers Pyrimidine - Answer ️️ -One carbon ring Cytosine, Thymine, Uracil What is the function of mRNA? - Answer ️️ -Carries genetic info out of nucleus Transcript translated to protein What is the function of tRNA? - Answer ️️ -Carries aa to ribosome Anticodon pairs with codon on mRNA strand What is the function of rRNA? - Answer ️️ -part of ribosome structure most abundant RNA coordina...

WGU D115 Objective Assessment: Advanced Pathophysiology for the Advanced Practice Nurse|300+ Questions and Verified Answers|100% Correct Q: A 17-year old female was diagnosed with angular cheilitis. She had treatment failure after a course of topical antibiotics, topical steroids, moisture barrier creams, and antifungals were prescribed. What would be the most appropriate next step in this patient's plan of care? A) Refer the patient to an allergist B) Refer the patient to a dermatologist ...

LML4810 PORTFOLIO MEMO - MAY/JUNE 2023 - SEMESTER 1 - UNISA - (DETAILED ANSWERS WITH FOOTNOTES AND A BIBLIOGRAPHY - DISTINCTION GUARANTEED!) GENERAL BACKGROUND TO THE FACTUAL SCENARIO Rashid has just been awarded a doctorate degree in genetic biology from the University of Cape Town. In order to partially fund his study fees, Rashid started a successful business selling DNA testing kits to clients across the Western Cape province. Rashid has decided to expand his business into a fully onlin...

An aide asks the nurse why people who have neurofibromatosis will show varying degrees of the disease. Which genetic principle should the nurse explain to the aide? Selected Answer: b. Expressivity Correct Answer: b. Expressivity Question 2 1 out of 1 point s Why is potassium able to diffuse easily in and out of cells? Selected Answer: c. Because the resting plasma membrane is more permeable to potassium Correct Answer: c. Because the resting plasma membrane is more permeab...

Growth factors stimulate what? (A) cyclin production. (B) the cell to skip the S and G1 phases of interphase and undergo mitosis directly. (C) Cdk's to synthesize enzymes that digest cyclins. (D) the cell to ignore the checkpoints of the cell cycle. (E) NONE OF THE ABOVE - Answer (A) cyclin production What is a major difference between mitosis and meiosis? (A) Meiosis produces two daughter cells instead of the four daughter cells produced in mitosis. (B) Meiosis produces genetically ide...