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Please answer the the following questions.

1. The three central coordination problems any economic system must solve are:
a. what to produce, why to produce, how to produce.
b. what to produce, why to produce, for whom to produce.
c. what to produce, how to produce, for whom to produce.
d. what to produce, where to produce, how to produce.

2. An opportunity cost is:
a. easily measured in dollar terms.
b. the highest valued alternative that must be foregone whenever something is undertaken or acquired.
c. only incurred when important and costly decisions are to be made.
d. not implicit in every decision we make.

3. If at some price the quantity supplied exceeds the quantity demanded, then:
a. a surplus exists and the price will fall over time as sellers competitively bid down the price.
b. a shortage exists and the price will rise over time as buyers competitively bid up the price.
c. the price is below equilibrium.
d. equilibrium will be reestablished as the demand curve shifts to the left.

4. Macroeconomics is best suited to answer questions about:
a. unemployment among students in this campus
b. why rent is higher in big cities than in smaller ones
c. how fast the overall price level will rise next year
d. the demand for public transportation in Boston

5. An example of a good counted in this year's GDP is
a. a share of corporate stock
b. an acre of farmland
c. a used car
d. a new shirt

6. If private investment increased by $50 billion while GDP remained the same, which of the following could have occurred, all else being the same?
a. consumption spending decreased by $50 billion
b. exports increased by $50 billion
c. imports decreased by $50 billion
d. net exports increased by $50 billion

7. To combat inflation in an expansionary phase of the business cycle, the Fed should:
a. raise the required reserve ratio.
b. increase banks' excess reserves by reducing the discount rate.
c. undertake expansionary monetary policy.
d. increase the money supply.

8. Which of the following would most likely cause a recession?
a. Government spending increases and taxes are reduced.
b. Imports rise and exports fall.
c. An increase in consumer confidence and expenditures spending rises.
d. Interest rates fall and investment spending increases.

9. If an economy is at equilibrium at potential output and the AD curve shifts out, the economy will move to:
a. an inflationary gap.
b. a recessionary gap.
c. a short term equilibrium.
d. a business cycle.

10. Which of the following statements about trade restrictions is true?
a. Tariffs are quantity limits placed on imports.
b. Quotas are taxes governments place on imports.
c. Trade restrictions create higher prices for consumers.
d. Economists generally favor trade restriction policies.

Q.11. In most developing countries, there are long lines of taxis at airports, and these taxis often wait two or three hours. What does this tell you about the price in that market? Discuss using supply demand analysis. (200 words)

Q.12. Change in Income (∆Y) = $1000 billion
Change in Consumption (∆C) = $900 billion

a) What is the Marginal Propensity to Consume (MPC)?
b) What is the Multiplier?

Q.13. Are you in favor of either deficit spending on the part of government or one of a balanced federal budget and budget surpluses?

Present your argument and discuss the economic situations when your position can be successfully implemented and when it may be doomed to failure. (350 to 500 words)

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Solution Preview

Please answer the multiple choice questions and answer questions in essay format with apa references

Please answer the following questions.

1. The three central coordination problems any economic system must solve are:
a. what to produce, why to produce, how to produce.
b. what to produce, why to produce, for whom to produce.
c. what to produce, how to produce, for whom to produce.
d. what to produce, where to produce, how to produce.
c. what to produce, how to produce, for whom to produce. these are the three central coordination problems.

2. An opportunity cost is:
a. easily measured in dollar terms.
b. the highest valued alternative that must be foregone whenever something is undertaken or acquired.
c. only incurred when important and costly decisions are to be made.
d. not implicit in every decision we make.
b. the highest valued alternative that must be foregone whenever something is undertaken or acquired. This is the definition of opportunity cost.
3. If at some price the quantity supplied exceeds the quantity demanded, then:
a. a surplus exists and the price will fall over time as sellers competitively bid down the price.
b. a shortage exists and the price will rise over time as buyers competitively bid up the price.
c. the price is below equilibrium.
d. equilibrium will be reestablished as the demand curve shifts to the left.
a. a surplus exists and the price will fall over time as sellers competitively bid down the price. This is the situation when supply exceeds demand and a new equilibrium is established.
4. Macroeconomics is best suited to answer questions about:
a. unemployment among students in this campus
b. why rent is higher in big cities than in smaller ones
c. how fast the overall price level will rise next year
d. the demand for public transportation in Boston
c. how fast the overall price level will rise next year. This question relates to the whole economy.
5. An example of a good counted in this year's GDP is
a. a share of corporate stock
b. an acre of farmland
c. a used car
d. a new shirt
d. a new shirt : it is assumed that the shirt is produced in this year.
6. If private investment increased by $50 billion while GDP remained the same, which of the following could have occurred, all else being the same?
a. consumption spending ...

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Amino acids multiple choice questions

Which statement is incorrect about the classification of amino acids?
a. Alanine and valine are neutral, nonpolar amino acids.
b. Lysine and arginine are basic amino acids.
c. Tryptophan and phenylalanine are aromatic amino acids.
d. Aspartic acid and aspargine are acidic amino acids.

Which of the following amino acids is the least water soluble at pH 7.0?
a. Tryptophan
b. Glutamic acid
c. Cysteine
d. Histidine

Which amino acid would migrate the furthest toward the anode (positive electrode) during paper electrophoresis at pH 7.0?
a. Aspartic acid
b. Alanine
c. Lysin
d. Glutamine

Which of the following functional groups, attached to an inert matrix, could function as a cation exchanger?
a. Diethylaminoethyl-
b. p-aminobenzyl-
c. Carboxymethyl-
d. Trimethylammonium-

Which of the following amino acids would make the best buffer at pH 4.5?
a. Histidine
b. Alanine
c. Glutamine
d. Aspartic acid

Which fact is incorrect about stereoisomers?
a. A diastereomer is a nonsuperimposable non-mirror image.
b. An enantiomer is a nonsuperimposible mirror image.
c. Diastereomers have different melting points.
d. Diastereomers rotate plane polarized light in equal but opposite direction.

Which statement is incorrect about L-isoleucine?
a. Its enantiomer is named O-isoleucine.
b. It contains a total of two asymmetric or chiral carbons.
c. It can also be named as (28, 38)-isoleucine using the (R,8) system.
d. Its diastereomer would be named O-alloisoleucine.

An isoelectric amino acid was dissolved in water and the resulting pH was approximately 7.6. What amino acid would possess this property?
a. Alanine
b. Glutamic acid
c. Histidine
d. Lysine

What volume of NaOH is required to adjust the solution of monosodium aspartate to pH 9.8?
a. 1 ml
b. 2 ml
c. 3 ml
d. 6 ml or more

What volume of 2 N Hel is required to completely titrate the 4 mmol of monosodium aspartate?
a. 2 ml
b. 3ml
c. Aml
d. 6 ml or more

Which statement is correct about the peptide ala-ser?
a. Alanine is at the N-terminal of the peptide.
b. There are a total six atoms that lie in the plane of the peptide bond linking alanine to serine.
c. The alpha-carbon of alanine is sp3 hybridized d All the above are correct statements.

What is the product formed from the acid hydrolysis of a simple amide?
a. Acid & base
b. Aldehyde & alcohol
c. Acid & amine
d. Ester & alcohol

The complete acid hydrolysis of the peptide ala-gln-trp-ser would yield:
a. Ala, gin, trp, ser
b. Ala, glu, ser
c. Ala, glu, trp, ser
d. Ala. ser

Fibrous proteins, such as collagen, have which of the following properties?
a. Highly soluble in water
b. Their hydrophilic residues are directed into the interior of the protein
c. Exhibit enzymatic activity
d. Serve structural roles in the cell

Quaternary structure is associated with:
a. The overall shape of a polypeptide chain
b. The sum of the secondary and tertiary interactions
c. Simple proteins with only one subunit
d. The relative orientation of one polypeptide to another polypeptide in a multi-subunit protein.

The information needed to define the structure of a protein is essentially contained in:
a. Amino acid composition
b. Amino acid sequence
c. Secondary structure
d. Tertiary structure.

Insulin is a polypeptide hormone that contains two short polypeptide chains linked by two interstrand disulfide bonds. The most logical order of events to perform in order to sequence this protein would be:
A: The peptides are reduced with mercaptoethanol.
B: The peptides are sequenced using Edman chemistry .
C: The peptides are separated by chromatography techniques. 0: The peptides are alkylated with iodoacetamide.
a. A, D,C, B b.C,A, 0, B
c. C, B, A, 0
d. A, B, C, 0

Which statement is incorrect about the peptide val-asp-trp-asn-ser?
a. This peptide would show a strong absorption band at 280 nm.
b. Reaction with chymotrypsin would yield two peptides.
c. To synthesize this peptide using the solid phase method of Merrifield, the amino acid directly attached to the resin would be serine.
d. After the second round of Edman chemistry using the reagent PITC, the PTH -amino acid residue released would be PTH-asn.

Which statement is incorrect about the reaction of the peptide ser-Iys-asp-trp-cys-metasn-phe-ala with the following reagents?
a. Reaction with cyanogens bromide would yield two peptides.
b. Reaction with trypsin would result in three peptides. The smallest of three peptides would have the highest pi of the three.
c. Reaciton with chymotrypsin would result in the peptides ser-Iys-asp & try-cys-met-Iysasn-phe-ala .
d. Reaction with chymotrypsin would yield a different set of peptides that overlap those obtained with tryspsin

Determine the amino acid sequence of the following oligopeptide from the experimental data below:
The amino acid composition is found the be ala, Iys, phe, met, cys plus some
decompsition products.
2. The peptide has a molecular weight around 700 Da and absorbs at 280 nm.
3. Treatment with carboxypeptidase results in tryptophan and a peptide.
4. CNBr treatment yields a tetrapeptide and a dipeptide.
5. Trypsine digestion produces an amino acid and a pentapeptide with met on the amino end.
6. Chymotrypsin digestion yields a dipeptide and a tetrapeptide.
a. trp-Iys-met-cys-met-ala
b. Iys-met-cys-phe-ala-trp
c. trp-ala-phe-cys-met-Iys
d. Iys-ala-cys-phe-met -trp

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