Questions asked
Multiple Choice 2 points In order to test for the enzyme, amylase, one would look for a ______ a change in red to yellow a change in color from yellow to purple a zone of inhibition bubbles of oxygen a zone of hydrolysis
DNA strands are called antiparallel because of ? semiconservative replication the two strands having opposite polarities the alignment of bases required for protein synthesis the specific base-pairing rules
10. Consider the following proposition (you do not have to know what is meant by a field). All non-zero elements x in a field IF have an inverse: some y ? IF for which xy = 1. (a) Restate the proposition using quantifiers. (b) Find the negation of the proposition, again using quantifiers.
find the median for the following groups of numbers. 1 , 3 , 3 , 5 , 4 , 6 , 9 , 9 , 8 , 9 , 2 , 5 , 4 , 3 , 7 , 6 , 1 , 3 , 1 , 2
QUESTION 1 As the economy falls from the peak to the trough of the business cycle frictional unemployment should fall because people find jobs more quickly. structural unemployment will be eliminated. inflationary pressures should increase as unemployment rises.
If the saving rate s decreases, what happens in the long-run (new steady state) to the growth rate of the following variables? (a) Per-capita capital. (b) Per-capita output. (c) Per-capita consumption.
An increase in the number of buyers would cause the demand curve to a. Shift from D1 to D2 b. Shift from D2 to D1. c. Shift from D1 to D3. d. Shift from D2 to D3.
7. Show how you would use the malonic ester synthesis to carry-out the reaction below 1. NaOEt 2. Br Eto OEt 3. NaOEt Br 4. 5. H$_3$O$^+$, Heat OH 8. In the conjugate addition reaction below, indicate which of the starting materials is a Michael acceptor and which is a Michael donor and show the mechanism for the formation of the product. 1. KOH 2. H 3. H$_3$O$^+$ H
Problem 3: Consider the power series: $\sum_{n=1}^{\infty} \frac{(x-1)^n}{n^2 \cdot 2^n}$. Find the radius of convergence and interval of convergence of the power series.
5. For the following reaction: (4 points) CH?OH CH?OH CH?OH O condensation C1 H H •H?O OH OH OH OH OH OH OH glucose glucose maltose water a. What type of molecule is being formed? (a glycoside or a disaccharide) b. That type of linkage is shown between the molecules on the right? (a or ?)