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MA_U10_1-5: See attached file for problems

1. What type of analysis is indicated by the following?
Increase (Decrease*)
2007 2006 Amount Percent
Current assets $ 380,000 $ 500,000 $120,000* 24%*
Fixed assets 1,680,000 1,500,000 180,000 12%

vertical analysis
horizontal analysis
liquidity analysis
common-size analysis

2. Assume the following sales data for a company:
2007 750,000
2006 600,000

What is the percentage increase in sales from 2006 to 2007?

3. Based on the following data, what is the quick ratio, rounded to one decimal point?
Accounts payable $ 30,000
Accounts receivable 65,000
Accrued liabilities 7,000
Cash 20,000
Intangible assets 40,000
Inventory 72,000
Long-term investments 100,000
Long-term liabilities 75,000
Marketable securities 36,000
Notes payable (short-term) 20,000
Property, plant, and equipment 625,000
Prepaid expenses 2,000


4. Based on the following data for the current year, what is the number of days' sales in inventory?
Net sales on account during year $1,204,500
Cost of merchandise sold during year 657,000
Accounts receivable, beginning of year 75,000
Accounts receivable, end of year 85,000
Inventory, beginning of year 81,600
Inventory, end of year 98,600


5. The following information pertains to Tanzi Company. Assume that all balance sheet amounts represent both average and ending balance figures. Assume that all sales were on credit.

Cash and short-term investments $ 40,000
Accounts receivable (net) 30,000
Inventory 25,000
Property, plant and equipment 215,000
Total Assets $310,000
Liabilities and Stockholders' Equity

Current liabilities $ 60,000
Long-term liabilities 95,000
Stockholders' equity-common 155,000
Total Liabilities and stockholders' equity $310,000
Income Statement

Sales $ 90,000
Cost of goods sold 45,000
Gross margin 45,000
Operating expenses 20,000
Net income $ 25,000

Number of shares of common stock 6,000
Market price of common stock $20

What is the current ratio for this company?

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Please see the attachment

1. What type of analysis is indicated by the following?
Increase (Decrease*)
2007 2006 Amount Percent
Current assets $ 380,000 $ 500,000 $120,000* 24%*
Fixed assets 1,680,000 1,500,000 180,000 12%

vertical analysis
horizontal analysis
liquidity analysis
common-size analysis

In horizontal analysis we take the increase/decrease for the year in relation to a base year and express it in value and percent

2. Assume the following sales data for a company:
2007 750,000
2006 600,000

What is the percentage increase in sales from 2006 to 2007?

Percentage increase = (750,000-600,000)/600,000 = 25%

3. Based on the ...

Solution Summary

The solution explains some multiple choice questions relating to ratio analysis

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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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