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1. Please compare the structure and property differences and similarity between DNA and RNA molecules. Providing two lists is fine (10 points). 2. Please provide the possible reasons why higher organisms should use DNA instead of RNA molecules to store genetic information, or say life blueprint (10 points). 3. Please describe the molecular components and molecular processes involved in human X chromosome imprinting or Arabidopsis plant vernalization (select one of the two to answer, 20 points). Please provide as much details as you can.  Good luck. You have to finish both multiple choices and short answer questions for the midterm examination.

Q7. A patient presents to the ED complaining of severe substernal chest pressure radiating to his left shoulder and back that started about 6 hours ago. The patient delayed coming to the ED hoping the pain would go away. The patient’s 12-lead ECG shows ST-segment elevation in the inferior leads. Troponin and CK-MB are both elevated. The patient has no history of bleeding disorders or recent surgeries. The hospital does not have the capability for percutaneous coronary intervention (PCI). Thrombolysis is one possible treatment. Based on this data, the nurse correctly comes to what conclusion?

A 24-year-old woman presents to the clinic with concerns about not having a menstrual period for the past five months. She previously had regular cycles. A pregnancy test is negative. Based on this presentation, how is secondary amenorrhea defined?

When a B2B company, such as Caterpillar, enters a new market, which of the following actions are part of the market development strategy according to the Ansoff Matrix?   Please select the two best options.

How does lifecycle marketing support customer relationships in B2B industries?   Please select the two best options.

Determine if the following set is closed under addition and/or multiplication. If they are closed, show all examples or give a general reason. If they are not closed, show one counter example.     A = {0, 7, 14, 21, 28, …} Closed under Addition? Closed under Multiplication?

The nurse is caring for a client with a diagnosis of hypermagnesemia. What assessment finding would be most consistent with this diagnosis?

How can companies improve production efficiency through operations management?   Please select the two best options.

Q24. An older patient with a history of an abdominal aortic aneurysm arrives at the emergency department (ED) with severe back pain (8/10) and absent pedal pulses. Which action would the nurse take first?

What are two key risks associated with penetration pricing in a B2B market?   Please select the two best options.