Put these steps in neuromuscular junction synaptic transmission and excitation-contraction coupling in chronological order. (Type the letters in the appropriate order with no spaces between them).

A. Ryanodine receptors open

B. Voltage-gated Na+ channels open in the muscle cell membrane near the neuromuscular junction

C. Tropomyosin rotates into the groove of the thin filament (out of the way of the myosin binding site)

D. Depolarization of motoneuron axon terminal

E. Ca2+ dissociates from troponin

F. [Ca2+] rises in the muscle cell cytoplasm

G. An EPSP occurs in the muscle cell

H. Myosin heads go through the cross-bridge cycle and hydrolyze ATP

I. An action potential is conducted along the T-tubule

J. Acetylcholine receptors open and conduct Na+ ions

K. Ca2+ binds to Troponin

L. Vesicles containing acetylcholine fuse with nerve cell membrane

The mass of Uranus is 8.68 x 10²⁵ kg. That’s 14.536 times more than the mass of Earth.

What is the difference between the forces due to Uranus on a 1.0 kg mass located at the near side of Titania and at the far side of Titania? Titania has a mean radius of 789 km and a mean orbital radius about Uranus of 436,300 km. (Enter the magnitude in newtons.)

Compare this difference to the difference for Earth due to the Moon, 0.22 ✕ 10⁻⁵ N. (Tidal forces are the cause of volcanic activity on some moons.)

Calculate the mass (in kg) of the Sun based on data for Uranus's orbit. (Use G = 6.67 ✕ 10⁻¹¹ N · m²/kg² in your calculations. Round your answer to at least four significant figures.)

Compare the above calculated value with the Sun's actual mass. (Round your answer to at least three decimal places.)

For this assignment, assume the project below is being proposed, and then conduct a pre-mortem for that project. Remember that a pre-mortem starts with the assumption that the project has failed, and tries to explain why this happened.

The proposal: Jaime and Jessica are planning on opening a bar/restaurant near the Sames Auto Arena in Laredo that specializes in contemporary Mexican food and drinks. They will be leasing a building that will be constructed to their specifications by the owner ("build to suit") and hope to open their doors next fall, or possibly in the following winter. They are funding their new venture with some of their savings, an investment from Jaime's uncle Rey (who is a successful cardiologist in Laredo and is contributing 2/3 of the equity), and a loan from Texas Community Bank. Both Jaime and Jessica have worked in the restaurant business quite a while, working their way up from servers to managers at separate casual dining chains (Olive Garden for Jaime and Cheddar's for Jessica).

1. ] In 1995, Betty White received a star on the Hollywood Walk of Fame – and her star is right near the star of her late husband, Allen Ludden. There are many couples that both have stars on the Hollywood Walk of Fame. This led Betty to wonder – is there a difference in the age between the husband and wife when they get their Hollywood star? As a result, Betty took a random sample of heterosexual couples that both have stars on the Hollywood Walk of Fame and recorded the age at which they received their star, given below.

At the .05 level of significance, is there evidence that there is a difference in the ages when husbands and wives get their Hollywood Walk of Fame star?

Assume that the transactions listed in the first column of the following table are anticipated by U.S. firms that have no other foreign transactions. Place an “X” in the table wherever you see possible ways to hedge each of the transactions.

            1.   Georgetown Co. plans to purchase Japanese goods denominated in yen.

            2   Harvard, Inc., sold goods to Japan, denominated in yen

3.   Yale Corp. has a subsidiary in Australia that will be remitting funds to the U.S. parent.

4 Brown, Inc., needs to pay off existing loans that are denominated in Canadian dollars.

Princeton Co. may purchase a company in Japan in the near future (but the deal may not go through).

                 Forward Contract                    Futures Contract                    Options Contract

               Forward         Forward                  Buy               Sell                  Purchase       Purchase

               Purchase           Sale                  Futures          Futures                  Calls              Puts  

      a.                                                                                                           

      b.                                                                                                                                

      c.                                                                                                                                 

      d.                                                                                                           

      e.

During their vacation, the Baldwin Family hired contractors to repaint their house. One warm afternoon, fire broke out on one side of the house and the house burned to the ground. The painters had left linseed oil soaked rags out near the house, which they had been using to finish the wood deck. An arson investigator was sent out to investigate whether the fire could have been deliberately set. How could the lab technician determine whether the fire was accidental (or not)? Clearly describe what kinds of samples would need to be collected and what kind of chromatographic analysis would need to be 5 performed. Discuss the type of columns, standards and detectors you would use and what type(s) of compounds the analyst would seek to analyze given the information above. Hint: Do not ignore the linseed oil soaked rags.

Please select and observe any small business in your area. Based on your observation, prepare a report that will address the following:

1. Identify the business name, location, and hours and days of operation

2. Does the business in the strategic location?

3. Describe its products and/or services.

4. Identify its customer.

5. Why do you think that customers buy their product and/or service from this company?

6. Identify two competitors and describe how this business differentiates itself from them

7. Does the business have a competitive advantage?

8. In your opinion, what dangers does this business face in the near-term? Explain your reasoning

9. If this were your business, what would you do differently? Explain your response.

10. Compile all your work on a structured report.

Discuss the objective of each of these audit procedures used to test a cash balance. Include in your discussion which PCAOB assertions for the cash account each procedure would support. Be sure to explain how each procedure would cover each of the assertions you believe it would cover for the cash balance and any limitations there might be for the assertion. That is, some procedures can provide more complete evidence to support an assertion than others can. Your answer should discuss any limits of the audit procedures as well.

Part A) Proof of Cash
Part B) Vouch the deposits in transit shown on the client's bank reconciliation to the cutoff bank statement.
Part C) Use of a bank confirmation letter.
Part D) Compare the date shown on the back of the check when the bank cancelled a check with the date of the check for checks dated near the balance sheet date.

Buyers determine demand while sellers determine supply. Both laws of supply and demand establish market forces that make economies work to search for their market equilibrium. The impact of COVID-19 is an unprecedented event that affects the global economy. In the article, the overall retail sales dramatically dropped by 34.8%, with jewellery and luxury goods drop of 67% but supermarkets increase of 12%, in the first five months of 2020. However, online-based consumption, like demand for food delivery, online education (Zoom), stay-at-home activities and online grocery shopping surged dramatically since the outbreak of pandemic.

3) Principle 6 of Economics states, “Markets are usually a good way to organize economic activity”. Hopefully COVID-19 will end some time in the near future. Predict how the retail industry would become in the economy with the aftermath of the pandemic. (300 words)