Question 1

When energy demands are low, glucose is stored as the polymer _____ in the liver and muscles.

Accepted Answer

The answer of When energy demands are low, glucose is...

Question 2

The major products of glycolysis are glucose and ATP.

Accepted Answer

A) True 
 B)False

Question 3

Ketone bodies are produced in the kidneys, and since they are small molecules that can hydrogen bond with water, they are readily soluble in blood and urine.

Accepted Answer

A) True 
 B)False

Question 4

The rate of glycolysis decreases when the body's ATP concentration is high.

Accepted Answer

A) True 
 B)False

Question 5

Ketogenesis is the synthesis of ketone bodies from acetyl CoA.

Accepted Answer

A) True 
 B)False

Question 6

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 7

Cortisol is an anti-inflammatory agent that also regulates carbohydrate metabolism. Cortisol contains a primary alcohol, a secondary alcohol, and a quaternary alcohol.

Accepted Answer

A) True 
 B)False

Question 8

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

Accepted Answer

A) True 
 B)False

Question 9

A carboxylase enzyme catalyzes the removal of carbon dioxide from a substrate.

Accepted Answer

A) True 
 B)False

Question 10

When acetyl CoA levels exceed the capacity of the citric acid cycle, acetyl CoA is converted to ketone bodies.

Accepted Answer

A) True 
 B)False

Question 11

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 12

Which amino acid is classified as ketogenic?

Accepted Answer

A) histidine 
B) valine 
C) arginine 
D) leucine 
A) histidine 
B) valine 
C) arginine 
D) leucine

Question 13

Cortisol is an anti-inflammatory agent that also regulates carbohydrate metabolism. Cortisol contains a primary alcohol, a secondary alcohol, and a quaternary alcohol.

Accepted Answer

A) True 
 B)False

Question 14

Glycolysis is a cyclic, 10-step pathway.

Accepted Answer

A) True 
 B)False

Question 15

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 16

How much ATP results from the transformation of two (2)molecules of acetyl CoA to four (4)molecules of CO2?

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

Question 17

Six of the steps of gluconeogenesis use the same enzymes as used in glycolysis.

Accepted Answer

A) True 
 B)False

Question 18

Which enzyme is capable of catalyzing the reaction shown?

Accepted Answer

A) propanol kinase 
B) propanol isomerase 
C) propanol dehydrogenase 
D) propanol carboxylase 
A) propanol kinase 
B) propanol isomerase 
C) propanol dehydrogenase 
D) propanol carboxylase

Question 19

Glycolysis begins with the phosphorylation of glucose to form glucose 6-phosphate.

Accepted Answer

A) True 
 B)False

Question 20

Glycolysis occurs when the body has depleted its supplies of glucose and stored glycogen, and occurs during sustained physical exercise and fasting.

Accepted Answer

A) True 
 B)False

Exam 24: Carbohydrate, Lipid, and Protein Metabolism

When energy demands are low, glucose is stored as the polymer _____ in the liver and muscles.

The major products of glycolysis are glucose and ATP.

Ketone bodies are produced in the kidneys, and since they are small molecules that can hydrogen bond with water, they are readily soluble in blood and urine.

The rate of glycolysis decreases when the body's ATP concentration is high.

Ketogenesis is the synthesis of ketone bodies from acetyl CoA.

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

Cortisol is an anti-inflammatory agent that also regulates carbohydrate metabolism. Cortisol contains a primary alcohol, a secondary alcohol, and a quaternary alcohol.

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

A carboxylase enzyme catalyzes the removal of carbon dioxide from a substrate.

When acetyl CoA levels exceed the capacity of the citric acid cycle, acetyl CoA is converted to ketone bodies.

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

Which amino acid is classified as ketogenic?

Cortisol is an anti-inflammatory agent that also regulates carbohydrate metabolism. Cortisol contains a primary alcohol, a secondary alcohol, and a quaternary alcohol.

Glycolysis is a cyclic, 10-step pathway.

What is ketosis?

How much ATP results from the transformation of two (2)molecules of acetyl CoA to four (4)molecules of CO2?

Six of the steps of gluconeogenesis use the same enzymes as used in glycolysis.

Which enzyme is capable of catalyzing the reaction shown?

Glycolysis begins with the phosphorylation of glucose to form glucose 6-phosphate.

Glycolysis occurs when the body has depleted its supplies of glucose and stored glycogen, and occurs during sustained physical exercise and fasting.

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

Digestion and the Conversion of Food Into Energy

Filters

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

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

How much ATP results from the transformation of two (2)molecules of acetyl CoA to four (4)molecules of CO₂?