Question 1

What is ketosis?

Accepted Answer

A) The accumulation of ketone bodies 
B) The synthesis of ketones from acetyl CoA 
C) The reduction of ketone bodies 
D) A medical condition that results from the consumption of acetone and/or other toxic ketones 
A) The accumulation of ketone bodies 
B) The synthesis of ketones from acetyl CoA 
C) The reduction of ketone bodies 
D) A medical condition that results from the consumption of acetone and/or other toxic ketones

Question 2

The major products of glycolysis are glucose and ATP.

Accepted Answer

A) True 
 B)False

Question 3

Step [1] of the β-oxidation of a fatty acid is considered an oxidation reaction even though the product has no additional C-O bonds.

Accepted Answer

A) True 
 B)False

Question 4

How many molecules of coenzyme A are needed for complete catabolism of a saturated fatty acid with the chemical formula CH3(CH2)18CO2H?

Accepted Answer

A) 1 
B) 9 
C) 10 
D) 18 
E) 20 
A) 1 
B) 9 
C) 10 
D) 18 
E) 20

Question 5

Fermentation is the aerobic conversion of glucose to ethanol and CO2.

Accepted Answer

A) True 
 B)False

Question 6

________ is the main source of energy for cells and the only source of energy used by the brain.

Accepted Answer

The answer of ________ is the main source of energy...

Question 7

Dihydroxyacetone phosphate and glyceraldehyde 3-phosphate,two intermediates in glycolysis,are related as constitutional isomers.

Accepted Answer

A) True 
 B)False

Question 8

Which compound is necessary for the oxidative deamination of the glutamate formed by transamination?

Accepted Answer

A) acetyl CoA 
B) ATP 
C) NADH 
D) NAD+ 
E) FADH2 
A) acetyl CoA 
B) ATP 
C) NADH 
D) NAD+ 
E) FADH2

Question 9

The urea cycle is a multistep pathway that converts ammonium ions to urea,(NH2)2C=O,in the kidneys.

Accepted Answer

A) True 
 B)False

Question 10

Under anaerobic conditions,the reaction of pyruvate with NADH and H+ should form which of the following products?

Accepted Answer

A)    
B)    
C)    
D)    
A)    
B)    
C)    
D)

Question 11

________ and ________ are obtained by the hydrolysis of the disaccharide sucrose,which is found in sugar beets and sugarcane.

Accepted Answer

The answer of ________ and ________ are obtained by the...

Question 12

What product(s)is formed in a transamination reaction?

Accepted Answer

A) An amino acid 
B) Urea 
C) Ammonia 
D) An α-keto acid 
E) An amino acid and an α-keto acid are both formed 
A) An amino acid 
B) Urea 
C) Ammonia 
D) An α-keto acid 
E) An amino acid and an α-keto acid are both formed

Question 13

Under some circumstances,when glucose is unavailable or cannot pass into a cell for use as fuel,ketone bodies accumulate,a condition called ________.

Accepted Answer

The answer of Under some circumstances,when glucose is unavailable or...

Question 14

Which steps in glycolysis use ATP?

Accepted Answer

A) Steps 1 and 2 
B) Steps 3 and 6 
C) Steps 7 and 10 
D) Steps 1 and 3 
E) Steps 4 and 5 
A) Steps 1 and 2 
B) Steps 3 and 6 
C) Steps 7 and 10 
D) Steps 1 and 3 
E) Steps 4 and 5

Question 15

A glucogenic amino acid may also be a ketogenic amino acid.

Accepted Answer

A) True 
 B)False

Question 16

Oxygen is needed to oxidize NADH to NAD+.

Accepted Answer

A) True 
 B)False

Question 17

The products that result when alanine is subjected to transamination followed by oxidative deamination are properly indicated below.

Accepted Answer

A) True 
 B)False

Question 18

Individuals with galactosemia lack one of the enzymes necessary for converting galactose to glucose 6-phosphate.

Accepted Answer

A) True 
 B)False

Question 19

In glycolysis,two three-carbon molecules of pyruvate (CH3COCO2-)are formed from each glucose molecule.

Accepted Answer

A) True 
 B)False

Question 20

How much ATP results from the transformation of one glucose molecule to two (2)molecules of acetyl CoA?

Accepted Answer

A) 2 ATP molecules 
B) 5 ATP molecules 
C) 12 ATP molecules 
D) 20 ATP molecules 
E) 32 ATP molecules 
A) 2 ATP molecules 
B) 5 ATP molecules 
C) 12 ATP molecules 
D) 20 ATP molecules 
E) 32 ATP molecules

Exam 24: Carbohydrate,lipid,and Protein Metabolism

What is ketosis?

The major products of glycolysis are glucose and ATP.

Step [1] of the β-oxidation of a fatty acid is considered an oxidation reaction even though the product has no additional C-O bonds.

How many molecules of coenzyme A are needed for complete catabolism of a saturated fatty acid with the chemical formula CH3(CH2)18CO2H?

Fermentation is the aerobic conversion of glucose to ethanol and CO2.

________ is the main source of energy for cells and the only source of energy used by the brain.

Dihydroxyacetone phosphate and glyceraldehyde 3-phosphate,two intermediates in glycolysis,are related as constitutional isomers.

Which compound is necessary for the oxidative deamination of the glutamate formed by transamination?

The urea cycle is a multistep pathway that converts ammonium ions to urea,(NH2)2C=O,in the kidneys.

Under anaerobic conditions,the reaction of pyruvate with NADH and H+ should form which of the following products?

________ and ________ are obtained by the hydrolysis of the disaccharide sucrose,which is found in sugar beets and sugarcane.

What product(s)is formed in a transamination reaction?

Under some circumstances,when glucose is unavailable or cannot pass into a cell for use as fuel,ketone bodies accumulate,a condition called ________.

Which steps in glycolysis use ATP?

A glucogenic amino acid may also be a ketogenic amino acid.

Oxygen is needed to oxidize NADH to NAD+.

The products that result when alanine is subjected to transamination followed by oxidative deamination are properly indicated below.

Individuals with galactosemia lack one of the enzymes necessary for converting galactose to glucose 6-phosphate.

In glycolysis,two three-carbon molecules of pyruvate (CH3COCO2-)are formed from each glucose molecule.

How much ATP results from the transformation of one glucose molecule to two (2)molecules of acetyl CoA?

Matter and Measurement

Atoms and the Periodic Table

Ionic Compounds

Covalent Compounds

Chemical Reactions

Energy Changes,reaction Rates,and Equilibrium

Gases,liquids,and Solids

Solutions

Acids and Bases

Nuclear Chemistry

Introduction to Organic Molecules and Functional Groups

Alkanes

Unsaturated Hydrocarbons

Organic Compounds That Contain Oxygen,halogen,or Sulfur

The Three-Dimensional Shape of Molecules

Aldehydes and Ketones

Carboxylic Acids,esters,and Amides

Amines and Neurotransmitters

Lipids

Carbohydrates

Amino Acids,proteins,and Enzymes

Nucleic Acids and Protein Synthesis

Metabolism and Energy Production

Filters

How many molecules of coenzyme A are needed for complete catabolism of a saturated fatty acid with the chemical formula CH₃(CH₂)₁₈CO₂H?

Fermentation is the aerobic conversion of glucose to ethanol and CO₂.

The urea cycle is a multistep pathway that converts ammonium ions to urea,(NH₂)₂C=O,in the kidneys.

Under anaerobic conditions,the reaction of pyruvate with NADH and H⁺ should form which of the following products?

and are obtained by the hydrolysis of the disaccharide sucrose,which is found in sugar beets and sugarcane.

Oxygen is needed to oxidize NADH to NAD⁺.

In glycolysis,two three-carbon molecules of pyruvate (CH₃COCO₂^-)are formed from each glucose molecule.