Explain the processes that a “naïve” B cell goes through to become activated.
The picture shows a B cell in one situation at the top, followed by another situation below the arrow.
A complete answer minimally starts with what is happening in the picture, and refers to the cells and molecules shown with clear, specific names. You will also describe in reasonable detail what happens to the B cell once it is activated. What outcomes and what function(s) result?
In: Biology
| 26 | Sandra comes into your office for advice about using her vehicle in her cleaning business. She estimates that her business mileage and expenses will be about 75% of her total use and she will be using this vehicle for the next five years. She would like to have a deduction each year for the vehicle. What advice would you give? |
| A.- Recommend that she use SMR because the record keeping requirements are easier. Then explain how to keep a mileage log. | |
| B.- Recommend that she use actual expenses because she will get a higher deduction. Explain recordkeeping requirements. | |
| C.- Use the maximum depreciation in the first year, along with actual expenses. Thereafter, just keep track of expenses. | |
| D.- Show her the options available, SMR and actual expenses, along with estimates of each type of deduction and let her make the choice. | |
| 30 | A taxpayer could incur travel expenses if they are: |
| A.- Away from their tax home on business for a time period substantially longer than an ordinary day's work, and they are in need of rest to meet the demands of that work. | |
| B.- Working at a second job on the same day they worked at their regular job. | |
| C.- Working at a new location on an indefinite assignment. | |
| D.- Working outside their area of domicile for a time period substantially longer than an ordinary day's work, and they are in need of rest to meet the demands of that work. |
|
Tax - Intermediate Vehicle Expense [2019] _ |
In: Accounting
Explain the following causes of color:
a. Why are rubies red? They are basically single crystals of Al2O3 with 1% of Cr impurities. Bulk Al2O3 has a band gap of 8.8 eV.
b. Contrast the different causes of color in chlorophyll, in Si and in the gemstone Al2O3.
In: Physics
Explain in detail how the following microbes transmit to humans,
escape from our immunity and causing disease. And suggest and
explain the rationale on ONE of its therapeutic methods.
SARS-CoV-2 (Virus for COVID-19)
1. Background of the microbes
-What is the structure?
-What is the unique feature?
2. Transmission route
- direct? indirect?
- when the microbe left human body, what is the survival rate?
- what is the basic reproductive member? (e.g. one people being infect, it can spread to two people)
3. Host-pathogen relationships
- The microbe uses what mechanism to escape the immune system (first line, second line, third line) enter body
- what is the method of microbe use and how it enter body (e.g. stick the mucosa...)?
4. Virulence factors and pathogenicity
- what is the virulence factors of this microbes?
- how much virulence factors that the microbes use to damage body?
- how to damage body (e.g. attack the cell and make you easily being sick, )?
-which molecule of body being break down and how it causes disease?
- when body being attack, which disease it will induce, induce which severe disease?
5. Treatment
- suggest one drug to treat Staphylococcus aureus
- introduce the drug
- target step
- how the drug does in body
- how it affects the bacteria
In: Nursing
Facts- The union circulated recognition slips to employees before a representation election. If a worker signed a slip and the union was subsequently certified, those who signed could join the union without paying an initiation fee. The union won the election. The employer, however, refused to bargain because it felt the union committed an unfair labor practice.
(Explain your response from above and provide the supporting section of the NLRA.)
In: Finance
Section 2 – Why might people believe improbable things?
Explain how people may generate and perpetuate one of the following beliefs: (a) believing that Bigfoot exists, (b) believing that horoscopes are accurate. Include AT LEAST 2 principles from the Self, Social Cognition, or Social Attribution chapters. Points are awarded for an accurate description of the principle as well as correct application of the concept to your example. (4 points)
In: Psychology
Select a journal article that involves a statistical study, and write a paper answering the following questions.
(a) Is the study descriptive or inferential? Explain your answer.
(b) What are the variables used in the study? In your opinion, what level of measurement was used to obtain the data for the variables?
(c) Does the article define the population? If so, how is it defined? If not, how could it be defined?
(d) Does the article state the sample size and how the sample was obtained? If so, determine the size of the sample and explain how it was selected. If not, suggest a way it could have been obtained.
(e)Provide the full reference of the selected journal article in the latest APA style
In: Statistics and Probability
Which indicator would be the best to use for a titration between 0.30 M (CH3)2NH with 0.30 M HI? You will probably need to consult the appropriate table in the book.
1. alizarin yellow R, color change at pH 10-12
2. methyl red, color change at pH 4-6
3. bromothymol blue, color change at pH 6-8
4. thymol blue, color change at pH 8-10
5. phenol red, color change at pH 7-9
In: Chemistry
In: Economics
JFI Foods produces processed foods. Its basic ingredient is a feedstock that is mixed with other ingredients to produce the final packaged product. JFI purchases the feedstock from two suppliers, Rex Materials and Red Oak Chemicals. The quality of the final product depends directly on the quality of the feedstock. If the feedstock is not correct, JFI has to dispose of the entire batch. All feedstock in this business is occasionally "bad," so JFI measures what it calls the "yield," which is measured as,
Yield = Good output ÷ Input
where the output and inputs are both measured in tons. As a benchmark, JFI expects to get 10 tons of good output for every 20 tons of feedstock purchased for a yield of 50 percent (= 10 tons of output ÷ 20 tons of feedstock).
Data on the two suppliers for the past year follow:
| Rex Materials | Red Oak Chemicals | Total | |||||||
| Total inputs purchased (tons) | 1,370 | 2,270 | 3,640 | ||||||
| Good output (tons) | 1,288 | 1,568 | 2,856 | ||||||
| Average price (per ton) | $ | 190 | $ | 150 | $ | 165 | |||
3.
value:
25.00 points
Required information
Required:
Assume that the average quality, measured by the yield, and prices from the two companies will continue as in the past. What is the effective price for feedstock from the two companies when quality is considered? (Round intermediate calculations and final answers to 2 decimal places.)
References
eBook & Resources
WorksheetLearning Objective: 10-03 Describe how the actions of customers and suppliers affect a firm’s costs.
Difficulty: 2 MediumLearning Objective: 10-04 Use activity-based costing methods to assess customer and supplier costs.
Check my work
4.
value:
25.00 points
Required information
The sales manager of Red Oak Chemicals has proposed to the purchasing manager at JFI that Red Oak be given an exclusive contract to supply the feedstock. If it receives the contract, Red Oak will guarantee an 50 percent yield on the feedstock it supplies.
Required:
a. Assume that the average quality, measured by the yield, and prices from the two companies will continue as in the past. What is the maximum price for feedstock that JFI should be willing to pay Red Oak under the exclusive contract? (Round intermediate calculations and final answer to 2 decimal places.)
In: Accounting