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vicenta gillespie

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+414 pts 500 Question 2 of 5 > Macmillan Learning Due: Thu, May 15 Resources Solution Hint Submit Answer Penolized Attempt 10 How does HbS aggregation occur in sickle-cell anemia? Place the steps in the correct order. Note that deoxyhemoglobin is in the T state; oxyhemoglobin is in the R state. No aggregation Sickled red blood cell Answer Bank R state Hb shifts to T state Hb. [O] decreases due to vigorous exercise or high altitude. Val interacts with the pocket of a ẞ chain on another HbS. Addisinal with the amint foam on insoluble Gho --- OCR End ---

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1. A 22-year-old woman presents with a 3-year history of recurrent, unilateral, pulsating headaches with vomiting and photophobia. The headaches, which generally last 3 hours, can be minimized by resting in a dark room. She can usually tell that she is going to get a headache. She explains, “I see little ‘squiggles’ before my eyes for about 15 minutes before the headache starts.” Her physical examination is unremarkable. This presentation is most consistent with:

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The table contains times in AM/PM format. The function index converts AM/PM format to 24-hour format. Select the indexes that match the expression: DepartureTime < "12:00", given that the expression specifies time in 24-hour format. function index table 6:00 24 Aer Lingus 11:30 AM DUB Boeing 737 7:35 29 Lufthansa 2:00 PM FRA MD 111 11:30 40 United Airlines 6:00 AM ATL Airbus 321 11:50 72 Air India 11:50 AM DXB Boeing 747 14:00 101 American Airlines 5:05 PM ORD Airbus 323 15:20 112 Air China 7:35 AM DME Boeing 777 16:10 189 British Airways 8:25 PM PHL Airbus 323 17:05 200 Air India 4:10 PM LAX Boeing 747 17:45 380 Southwest Airlines 3:20 PM SJC Airbus 323 20:25 401 Air China 10:30 PM HKG Boeing 787 21:00 422 American Airlines 5:45 PM ORD MD 111 22:30 476 Delta Airlines 9:00 PM SEA Boeing 747

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Is there anything being done to address health disparities related to asthma in the US?

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2 2 points On the island of Madagascar, which hosts a quarter of African flowering plants and roughly 800 different butterfly species, about 85% of the forest has been cleared for agriculture. True False 3 1 point In Kenya, approximately 20% of the electricity comes from STEAM power. True False

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Which of the following is a factor which influences supply? price of inputs income tastes demographics

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If the average value of $f(t) = 3t^2 + 4t - 14$ over the interval $[0, b]$ is 1, then $b = $

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The motor in Problem 2 absorbs 25 kVA at 0.7 power factor lagging with the bus 2 voltage at 4 kV. a) What value of capacitive reactive power (in VARs) is needed to make the source power factor 0.95 lagging? Assume generators 1 and two deliver equal real and reactive powers. b) What is the corresponding capacitive reactance (in ohms)?

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2. Complete the table below. In the blank column, place a C for compound and an M for molecule. Atom 1 Atom 2 Atomic Number # of valence electrons Atomic Number # of valence electrons Are electrons lost or gained? (Yes/No) If yes, what ions are formed? Ionic or Covalent Bonding Sodium chloride (NaCl) C 11 2)8)1 17 2)8)7 Yes, Na - loses one \rightarrow Na$^+$ and Cl gains one \rightarrow Cl$^-$ ionic Water (H$_2$O) C 1 1 8 2)6 No covalent Carbon dioxide (CO$_2$) Calcium fluoride (CaF$_2$) Lithium oxide (Li$_2$O) Hydrochloric acid (HCl) Sodium Fluoride (NaF) Oxygen gas (O$_2$) Ammonia (NH$_3$) Phosphine (PH$_3$) Methane (CH$_4$)

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Lecture 5 - Diels Alder Rates and Reactivity 1. Rank the relative rates of each diene reacting with the same dienophile. remember: rate of a diels alder reaction is k[s-cis diene][dienophile] A Rationale: B C Rank from fastest to slowest: > > 2. Look at questions X and 7 in the Homework B for practice with secondary orbital overlap. 3. Goal: Compare the HOMO/LUMO gaps between these pairs of reactants and predict the relative rates of those reactions. 3.A. Draw the relative energies of the diene and dienophile pi MOs. Follow the template for reagents "A". A W X J Y Z K $\pi_4$ 8888 $\pi_3$ 8888 $\pi_2$ 8888 $\pi_1$ 8888 WXYZ JK B C 3.B. Draw a line between the possible pi molecular orbitals that can react for each pair. Follow the template for reagents "A". 3.C. Rank the relative rates. $\bigcirc_A$ $\bigcirc_A$ Reagents $\bigcirc_B$ are fastest and $\bigcirc_B$ are slowest. $\bigcirc_C$ $\bigcirc_C$

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