H2o - Guías de estudio, Notas de estudios & Resúmenes

T or F: We have proven how life arose? FALSE ! Haldon-Oparin Hypothesis life arose spontaneously from methane, ammonia, water & energy sources Milley-Urey experiment Tested Haldane-Oparin hypothesis Contemporary scientist think that methane & ammonia were likely ABSENT in early atmosphere Organic molecules: CO, CO2, H2 (not much), N2 and H2O Panspermia idea that organic molecules were brought to earth by meteorites/asteroids. Organic material would have come from outer space. CHOOSE: Ea...

SEMMELWEIS ENTRANCE MEDICINE BIOLOGY EXAM | QUESTIONS & 100% CORRECT ANSWERS (VERIFIED) | LATEST UPDATE | GRADEA+ What are carbohydrates and lipids? Correct Answer: Organic compounds that are mostly composed of three types of atom; carbon, hydrogen and oxygen What do carbohydrates do? Correct Answer: provide energy, in the form of sugars like glucose and fructose, but they also make up structures like cellulose, which form the cell wall of plant cells What type of carbohydrate is...

The mole concept - Answer-A method that allows the relative number of reactant particles involved in a chemical reaction to be known Avogadro's number - Answer-number of representative particles in a mole, 6.02 X 10^23 Basic structures of atoms - Answer-There is a nucleus in the center surrounded by an electron cloud or field Quantum numbers - Answer-Quantum numbers describe values of conserved quantities in the dynamics of a quantum system. In the case of electrons, the quantum numbers c...

Introduction to Chemistry, 5e (Bauer) Chapter 3 Chemical Compounds 1) The figure shows all but which of the following? 1. A) two elements and a compound 2. B) a chemical reaction 3. C) one mixture and one pure substance 4. D) three compounds Answer: D Difficulty: 1 Easy Topic: Study of Chemistry Bloom’s: 2. Understand Gradable: automatic Subtopic: Classification and States of Matter; Properties of Matter Accessibility: Keyboard Navigation 2) Which of the substances shown in the figure is an io...

1. Q #: The AGACNP is reviewing a chart of a head-injured patient. Which of the following would alert the AGACNP for the possibility that the patient is over hydrated, thereby increasing the risk for increased intracranial pressure? A. BUN = 10 B. Shift output = 800 ml, shift input = 825 ml Unchanged weight C. Serum osmolality = 260 2. Q #: A patient who has been in the intensive care unit for 17 days develops hyponatremic hyperosmolality. The patient weighs 132 lb (59.9 kg), is intubate...

GFCI stands for... - Answer-Ground Fault Circuit Interrupter T/F A galvanic isolator WILL block stray AC. - Answer-False. A galvanic isolator WILL NOT block AC. It will only blocks stray DC that is moving through the green grounding conductor. T/F An isolation transformer makes a galvanic isolator unnecessary. - Answer-True. An isolation transformer works through electromagnetic _________. - Answer-Induction A reverse polarity indicator is placed between which two wires? Why? - Answer-White...

TMC PRACTICE QUESTIONS A- KETTERING EXAM QUESTIONS AND ANSWERS 2023 (VERIFIED SOLUTIONS) 1. A 48 year-old female is admitted to the ED with diaphoresis, jugular venous distension, and 3+ pitting edema in the ankles. These findings are consistent with A. liver failure. B. pulmonary embolism. C. heart failure. D. electrolyte imbalances. ANSWER - C. heart failure. 2. A patient is admitted to the ED following a motor vehicle accident. On physical exam, the respiratory therapist discovers...

MA MPJE(2024 Latest Update)Accurate 100% Person Registration Requirements - ANSWER 1.) 18 years or older 2.) graduate from ACPE-accredited/board-certified school of pharmacy* 3.) at least 1500 hours of practical experience as intern 4.) Good moral character *Must pass MPJE with 75 *non-approved colleges must receive Foreign Pharmacy Graduate Examination Committee Certification (FPGEC) Personal Registration RENEWAL - ANSWER **ALL PERSONAL REGISTRATIONS EXPIRE ON DECEMBER 31 (12/31) O...

2023 / 2024 RN HESI EXIT EXAM VERSION 2 (V2) ALL 160 QUESTIONS AND ANSWERS AS INCLUDED LATEST UPDATE GRADED A+ GUARANTEED PASS A + The nurse assumes care of a postoperative adult client with type 2 diabetes mellitus and learns that the client has a current blood glucose level of 720 mg/dL. When assessing the client, what is the priority? A. Assess for signs of fluid volume deficit B. Observe wound drainage characteristics C. Measure the level of acute pain D. Determine when the client ...

Basicity rules correct answers -strong base: unstable/reactive (ED groups) -weak base: stable (EW groups/more EN/bigger) Chair conformation correct answers -more stable equitorial (slanted) -pointing up/pointing down=cis if both up -elimination: trans and diaxial Newman projection correct answers -gauche: substituent groups adjacent to eachother -grab middle and turn to put in plane Enantiomers correct answers -not superimposable mirror images -same besides stereochemistry Diast...