Principles of General, Organic, and Biological Chemistry by Janice Smith | 9780073511153 | 73511153 | Holooly

Principles of General, Organic, and Biological Chemistry [EXP-50614]

190 SOLVED PROBLEMS

Question: 15.sp.1

(a) Draw a skeletal structure of gadoleic acid, CH3(CH2)9CH CH(CH2)7COOH, a 20-carbon fatty acid obtained from fi sh oils. (b) Label the hydrophobic and hydrophilic portions. (c) Predict how its melting point compares to the melting points of arachidic acid and arachidonic acid

Verified Answer:

a. and b. The skeletal structure for gadoleic acid...

Question: 17.sp.3

(a) Draw the structure of a dinucleotide formed by joining the 3′-OH group of AMP to the 5′-phosphate in GMP. (b) Label the 5′ and 3′ ends. (c) Name the dinucleotide.

Verified Answer:

a. and b. c. Since polynucleotides are named begi...

Question: 14.sp.6

(a) Locate the glycosidic linkage in the following disaccharide. (b) Number the carbon atoms in both rings. (c) Classify the glycosidic linkage as α or β, and use numbers to designate its location.

Verified Answer:

a. and b. The glycosidic linkage labeled in red co...

Question: 17.sp.10

(a) What dipeptide is produced from the following segment of DNA: AGAGAT? (b) What happens to the dipeptide when a point mutation occurs and the DNA segment contains the sequence ATAGAT instead?

Verified Answer:

a. Since UCU codes for serine and CUA codes for le...

Question: 4.sp.4

(a) Which compound, A or B, has the higher boiling point? (b) Which compound, C or D, has the higher melting point?

Verified Answer:

a.

NH_{3}

(A) has an N—H bond, so i...

Question: 18.sp.2

(a) Write out the reaction that converts succinate to fumarate with FAD using curved arrow symbolism. (b) Classify the reaction as an oxidation, reduction, or decarboxylation.

Verified Answer:

a. Equation: b. Since succinate contains four C—H...

Question: 7.sp.12

A 0.1 M glucose solution is separated from a 0.2 M glucose solution by a semipermeable membrane. (a) Which solution exerts the greater osmotic pressure? (b) In which direction will water flow between the two solutions? (c) Describe the level of the two solutions when equilibrium is

Verified Answer:

a. The greater the number of dissolved particles, ...

Question: 7.sp.3

A 750-mL bottle of wine contains 101 mL of ethanol. What is the volume/volume percent concentration of ethanol?

Verified Answer:

(v/v)% =

\frac {101 mL ethanol}{750 mL win...

Question: 6.sp.3

A balloon that contains 0.50 L of air at 25 °C is cooled to –196 °C. What volume does the balloon now occupy?

Verified Answer:

[1] Identify the known quantities and the desired ...

Question: 1.11

A dose of 240 mg of acetaminophen is prescribed for a 20-kg child. How many mL of Children’s Tylenol (80. mg of acetaminophen per 2.5 mL) are needed?

Verified Answer:

[1] Identify the original quantity and the desired...

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