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diane ruiz

diane r.

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What is the Gram stain and what information does it provide about cells? O a chemical that changes color upon contact with toxins in the bacterial cell wall, indicating the presence of pathogenic bacteria O a process in which a stain attaches to specific protein markers in the cell wall, allowing for identification of bacteria without growing a culture O a cell dye that is used to check for the specific presence of coccus bacteria based on the unique composition of the cell wall. O a cell-staining technique used to categorize bacteria by the presence or absence of a cell wall made up of a thick coating of cross-linked sugars and peptides

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Question 2(20 points) Find a). Diameter of the rod. Knowing the FS = 2.5 and $\sigma_{ultimate}$ = 537.5MPa b). The shear stress in the pin at B (Double Shear stress) Given: $P_1$ = 40kN, $P_2$ = 30kN, $d_{rod}$ = 15mm, $d_p$ = 25mm and thickness of bracket = 5mm 0.5 m $d_p$ F A D B $P_1$ = 40 kN C 0.25 m 0.25 m $P_2$ = 30 kN

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ince an atom is a composite of negative electrons and a positive nucleus, the potential function for an atom is a little bit complicated. One decent approximation involves the kind of ଵ ௥ dependence that you’d expect for a point charge, modified by an exponential that represents the way the oppositely charged bits screen each other out a little

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5) A truck of mass 2500 kg traveling at 60 mi/hr in a straight line path comes to a complete stop when the driver puts on the brakes for 30 seconds. (a) Calculate the braking force during this time. (b) Also calculate the distance traveled during this interval.

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Evaluate \\ where $\sigma$: $z = y^2$, $0 \le x \le 2$, $1 \le y \le 2$. \\ $\int_{\sigma} \frac{z}{y} ds$

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4. Let $g(x) = e^{-x} - e^{-2x}$, defined on the domain $0 \le x < \infty$. (a) On this domain, where is g increasing/decreasing? Explain (b) On this domain, where is g concave up/concave down? Explain (c) Draw a carefully labelled graph of $g(x)$ consistent with the above.

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Part (a) How far away, in meters, is an object that is in focus? ? Correct! Part (b) What is the object height, in meters, if its image is 2.15 cm high? 0.7861 sin() cos() tan() cotan() asin() acos() ?( E 7 8 9 HOME 4 5 6 - atan() acotan() sinh() 1 2 3 cosh() tanh() cotanh() + 0 END Degrees Radians ?0 BACKSPACE DEL CLEAR

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Rudyard is a resident of North Carolina for all of the tax year. He travels to California from time to time for his job. He earns $40,000 in wages in California, $20,000 in wages in North Carolina, $10,000 in interest from a bank account in Texas, and $5,000 in interest from a bank account in California. How much California income does Rudyard have? a. $0 b. $45,000 c. $55,000 d. $75,000

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Texts: Question 1 For the case of a sample space S of equally likely outcomes, the probability of some event A can be calculated by: P(A) = N (number of outcomes in event A) / N (total number of equally possible outcomes) What is the probability of an even integer showing on: a) a roll of an honest die? b) the sum of two dice? c) the sum of three dice? Answers: a) 1/2 b) 1/2 c) ? [Problem from F.G. Stemler]

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Data Table 2. Temperature Measurements Water Temperature (°C) Temperature (°F) Temperature (K) Hot from tap 98°C Boiling 100°C Boiling for 5 minutes 102°C Cold from tap 2°C Ice water - 1 minute 0°C Ice water - 5 minutes -2°C

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