Questions asked
The neutralization of triethylamine (a weak base) with hydrochloric acid generates triethylammonium chloride. Is this salt acidic or basic? $$HCl + Et_3N \rightleftharpoons Et_3NH^+ + Cl^-$$ A Basic, because the chloride ion is weakly basic B Neutral, because neither ion is acidic or basic C Neutral, because water isn't a product of the neutralization D Acidic, because the triethylammonium ion is a weak acid
Part A Match the following terms to their definitions. Match the words in the left column to the appropriate blanks in the sentences on the right. Make certain each sentence is complete before submitting your answer. Reset Help Peroxisomes 1. : This organelle modifies, concentrates, and packages the proteins Golgi apparatus and lipids made at the RER for domestic use or export. Nucleus 2. : The organelle that facilitates peptide bond formation between Ribosomes amino acids. Cytoskeleton 3. : This organelle contains oxidases and catalases. Submit Request Answer 4. : This is an elaborate network of rods and accessory proteins found in the cytosol that support cellular structures and provide the machinery to generate various cell movements, as well as provide the roads for vesicular trafficking. 5. : The vast majority of the cell's genetic material is housed here.
The negative slope of the demand curve is caused in part by decreasing marginal utility.
Question 2 Assume the yield curve is flat shown as following table. A cash and $duration-neutral butterfly is to be constructed by selling one thousand 7-year coupon paying bonds and purchasing $q_i$ and $q_j$ coupon paying bonds with maturities 3 and 15 years respectively. More information on the bonds to be used in the strategy is given below: Maturity (Years) Coupon Rate (%pa) YTM (%pa) Price Modified Duration Quantity 3 8.00% 6.00% 105.42 -2.65 $q_i$ 7 10.00% 6.00% 122.59 -5.24 -1000.00 15 10.00% 6.00% 139.20 -8.86 $q_j$ Note that we are assuming all bonds pay interest semi-annually. (a) Explain how to interpret the modified duration of -8.86 corresponding to the 15-year maturity bond. (b) Write down the system of equations that needs to be solved in order to find $q_i$ and $q_j$, and verify that the solution to this system is $q_i = 679.32$ and $q_j =$ 366.23. (c) Find the profit from this strategy if yield curve moves: (i) up to 8% pa and (ii) down to 5% pa.
Consider the curve defined by the equation $y = 3x^3 + 3x$. Set up an integral that represents the length of curve from the point $(-3, -90)$ to the point $(3, 90)$.
Texts: A - Draw and describe the first three levels in the structure or folding of a single polypeptide chain. Include examples of the structures formed at each level. B - Draw and describe - Indicate the bonds, interactions, and forces that determine or stabilize each level of structure. C - Draw and describe - Each of the following reagents or conditions will denature a protein: urea, polar organic solvents, detergent, and extreme pH. For one of these reagents, draw and describe what the reagent/condition does to destroy native protein structure. In the description, indicate whether the mechanism of denaturation involves primarily entropy or enthalpy or both. D - Draw and describe - What type of amino acid functional group is typically found in the interior of a water-soluble globular protein? What type is found on the exterior of a globular protein? E - Draw and describe - the experiment providing the evidence that supports the idea that the amino acid sequence of proteins alone is sufficient to determine their final folded structure.
Given the differential equation y'' - 4y' - y = -3sin(3t), y(0) = -2, y'(0) = 2 Apply the Laplace Transform and solve for Y(s) = L[y] Y(s) =
(a) What is the expected value of the quantity $\int E(t)dt$? (2 marks) \newline response test results suggest an RTD of the form $E(t) = ate^{-t}$, where $t$ is (2 marks)
Use the method of separation of variables to solve the following IBVP u_t(x, t) = ku_{xx}, 0 < x < L, t > 0, u(0, t) = 0, u_x(L, t) = 0, t > 0, u(x, 0) = f(x), 0 < x < L.
Consider the translational mechanical system below, assuming a unit step as the input, find settling time $T_s$. 4s 40 s 1s 8s 10 N/m x(t) 5 kg f(t) 1 N\cdot s/m
