Chemistry an Introduction to General, Organic, and Biological Chemistry 12th. Edition by Karen C. Timberlake; MaryKay Orgill | 9780321908445 | 0321908449 | Holooly

Organic Chemistry, General Chemistry, Biological Chemistry

Chemistry an Introduction to General, Organic, and Biological Chemistry

194 SOLVED PROBLEMS

1 SOLVED PROBLEMS

Question: 3.1

Classify each of the following as a pure substance (element or compound) or a mixture (homogeneous or heterogeneous): a. copper in wire b. a chocolate-chip cookie c. nitrox, a combination of oxygen and nitrogen used to fill scuba tanks ...

Verified Answer:

a. Copper is an element, which is a pure substanc...

Question: 10.13

Identifying Buffer Solutions Indicate whether each of the following would make a buffer solution: a. HCl, a strong acid, and NaCl b. H3PO4, a weak acid c. HF, a weak acid, and NaF ...

Verified Answer:

a. No. A buffer requires a weak acid and a salt co...

Question: 18.11

Carbon Atoms from Amino Acids At what point do the carbon atoms of each of the following amino acids enter metabolic pathways for the production of energy? a. valine b. proline c. glycine ...

Verified Answer:

a. Carbon atoms from valine enter the citric acid ...

Question: 18.10

Transamination and Oxidative Deamination Indicate whether each of the following represents a transamination or an oxidative deamination: a. Glutamate is converted to a-ketoglutarate and NH4^+. b. Alanine and α-ketoglutarate react to form pyruvate and glutamate. ...

Verified Answer:

a. oxidative deamination b. transa...

Question: 18.9

ATP Production from β-Oxidation How much ATP will be produced from the β-oxidation of palmitic acid, a C16 saturated fatty acid? ...

Verified Answer:

ANALYZE THE PROBLEM Number of Number of Number of ...

Question: 18.8

β-Oxidation Match each of the following (a to d) with one of the reactions (1 to 4) in the b-oxidation cycle: (1) first oxidation (2) hydration (3) second oxidation (4) cleavage a. Water is added to a double bond. b. An acetyl-CoA is removed. c. FAD is reduced to FADH2. d. NAD^+ is reduced to NADH. ...

Verified Answer:

a. (2) hydration b. (4) cleavage c. (1) first oxid...

Question: 18.7

ATP Production Indicate the amount of ATP produced by each of the following oxidation reactions: a. pyruvate to acetyl-CoA b. glucose to acetyl-CoA ...

Verified Answer:

a. The oxidation of pyruvate to acetyl-CoA produce...

Question: 18.6

ATP Synthesis Why does the oxidation of NADH provide energy for the formation of three ATP whereas FADH2 produces two ATP? ...

Verified Answer:

Electrons from the oxidation of NADH enter electro...

Question: 18.5

Citric Acid Cycle When one acetyl-CoA completes the citric acid cycle, how many of each of the following is produced? a. NADH b. ketone group c. CO2 ...

Verified Answer:

a. One turn of the citric acid cycle produces thre...

Question: 13.3

Fischer Projections Determine if each Fischer projection is chiral or achiral. If chiral, identify it as the D or L stereoisomer and draw the mirror image. ...

Verified Answer:

a. Chiral. The carbon at the intersection is attac...

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Question: 22.4

Coenzymes Describe the reactive part of each of the following coenzymes and the way each participates in metabolic pathways: a. FAD b. NAD^+ ...

Verified Answer:

a. The oxidized form of FAD undergoes reduction wh...

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