Question 1

How does excess carbohydrate intake contribute to obesity? ​

Accepted Answer

A)  It is efficiently converted to storage fat.
B)  It spares oxidation of body fat and dietary fat.
C)  It stimulates glucagon release, resulting in inhibition of fatty acid oxidation.
D)  It stimulates pancreatic lipase secretion, which results in higher dietary fat absorption.E) A) and B)
F) A) and C)

Question 2

What minimum concentration of blood alcohol leads to impaired judgment and increased heart rate? ​

Accepted Answer

A)  ​0.01
B)  ​0.05
C)  ​0.10
D)  ​0.35E) A) and B)
F) A) and C)

Question 3

When energy-yielding nutrients are consumed in excess, which one(s) can lead to storage of fat? ​

Accepted Answer

A)  fat only
B)  carbohydrate only
C)  and carbohydrate only
D)  fat, carbohydrate, and proteinE) None of the above
F) All of the above

Question 4

How soon would death occur from starvation if the body was unable to shift to a state of ketosis? ​

Accepted Answer

A)  within 3 weeks
B)  less than 2 weeks
C)  between 5 and 6 weeks
D)  between 2 and 3 monthsE) None of the above
F) B) and C)

Question 5

Explain how and where alcohol is metabolized in the body, beginning with absorption into the body and ending with the metabolites of alcohol metabolism.

Accepted Answer

Alcohol is absorbed into the body in the...

Question 6

What is a coenzyme? ​

Accepted Answer

A)  a unit consisting of an enzyme bound to reactants plus ATP
B)  an organic molecule required for the functioning of an enzyme
C)  the small, active part of an enzyme that binds to the organic reactants
D)  an inactive enzyme that becomes functional upon contact with specific cofactorsE) A) and B)
F) C) and D)

Question 7

Identify each individual pathway in order that a molecule of glucose must go through in order to be completely oxidized, and identify how many ATP are derived from each step.

Accepted Answer

Initially, glucose enters glycolysis. Fo...

Question 8

Match between columns
                        Premises: specific process in metabolism in which carbon dioxide is formed during metabolism

Accepted Answer

The Answer of pyruvate and TCA and Cori cycle and is...

Question 9

Match between columns
                        Premises: glycolysis

Accepted Answer

The Answer of smooth endoplasmic reticulum and inner compartment of is...

Question 10

Your roommate Demetrius is participating in a weightlifting program and complains of a burning pain during workouts. You explain to Demetrius that the rapid breakdown of glucose in his muscles produces large amounts of pyruvate, which leads to a fall in pH within the muscle and that the muscle responds by converting excess pyruvate to ____. ​

Accepted Answer

A)  lactate
B)  glycerol
C)  acetyl CoA
D)  amino acidsE) A) and B)
F) C) and D)

Question 11

What is acetaldehyde? ​

Accepted Answer

A)  an intermediate in fatty acid synthesis
B)  an intermediate in alcohol metabolism
C)  the first product of fatty acid catabolism
D)  the TCA compound that combines with acetyl CoAE) A) and B)
F) All of the above

Question 12

How many acetyl CoA molecules can be obtained from oxidation of an 18-carbon fatty acid? ​

Accepted Answer

A)  ​3
B)  ​6
C)  ​9
D)  ​18E) All of the above
F) A) and C)

Question 13

In a triglyceride that contains 54 carbon atoms, how many carbons can become part of glucose? ​

Accepted Answer

A)  ​3
B)  ​9
C)  ​54
D)  ​108E) C) and D)
F) A) and B)

Question 14

Which organ is the most metabolically active? ​

Accepted Answer

A)  liver
B)  brain
C)  kidney
D)  small intestinesE) C) and D)
F) A) and B)

Question 15

Match between columns
                        Premises: the molecule that all energy yielding nutrients can be broken down into

Accepted Answer

The Answer of Cori cycle and oxaloacetate and lactate and is...

Question 16

An aerobic reaction is one that requires ____. ​

Accepted Answer

A)  alcohol
B)  oxygen
C)  nitrogen
D)  ammoniaE) All of the above
F) B) and C)

Question 17

What is a characteristic of the metabolism of specific macronutrients?

Accepted Answer

A)  The rate of fat oxidation does not change when fat is eaten in excess.
B)  The rate of protein oxidation does not change when protein is eaten in excess.
C)  The rate of glucose oxidation does not change when carbohydrate is eaten in excess.
D)  The conversion of dietary glucose to fat is the major pathway of carbohydrate utilization.E) A) and C)
F) B) and D)

Question 18

An immediate consequence of a cellular deficiency of oxaloacetate is a slowing of ____. ​

Accepted Answer

A)  glycolysis
B)  the TCA cycle
C)  lactate synthesis
D)  ketone formationE) C) and D)
F) A) and B)

Question 19

Glycolysis is the conversion of ____. ​

Accepted Answer

A)  glycogen to fat
B)  glycogen to protein
C)  glucose to pyruvate
D)  glucose to glycogenE) B) and D)
F) B) and C)

Question 20

What process describes the sum of all chemical reactions that go on in living cells?

Accepted Answer

A)  digestion
B)  metabolism
C)  absorption
D)  catabolismE) A) and B)
F) None of the above

Exam 7: Energy Metabolism

In a triglyceride that contains 54 carbon atoms, how many carbons can become part of glucose?

Correct Answer
verified

What is acetaldehyde?

Correct Answer
verified

What minimum concentration of blood alcohol leads to impaired judgment and increased heart rate?

Correct Answer
verified

When energy-yielding nutrients are consumed in excess, which one(s) can lead to storage of fat?

Correct Answer
verified

Identify each individual pathway in order that a molecule of glucose must go through in order to be completely oxidized, and identify how many ATP are derived from each step.

Correct Answer
verified
Initially, glucose enters glycolysis. Fo...
View Answer

An immediate consequence of a cellular deficiency of oxaloacetate is a slowing of ____.

Correct Answer
verified

Correct Answer
verified

How soon would death occur from starvation if the body was unable to shift to a state of ketosis?

Correct Answer
verified

What is a coenzyme?

Correct Answer
verified

Glycolysis is the conversion of ____.

Correct Answer
verified

An aerobic reaction is one that requires ____.

Correct Answer
verified

Explain how and where alcohol is metabolized in the body, beginning with absorption into the body and ending with the metabolites of alcohol metabolism.

Correct Answer
verified
Alcohol is absorbed into the body in the...
View Answer

Match the subcellular location with the processes indicated in the questions below.

How does excess carbohydrate intake contribute to obesity?

Correct Answer
verified

Match each word or phrase with the most appropriate definition or explanation.

What is a characteristic of the metabolism of specific macronutrients?

Correct Answer
verified

What process describes the sum of all chemical reactions that go on in living cells?

Correct Answer
verified

How many acetyl CoA molecules can be obtained from oxidation of an 18-carbon fatty acid?

Correct Answer
verified

Match each word or phrase with the most appropriate definition or explanation.

Which organ is the most metabolically active?

Correct Answer
verified

Exam 7: Energy Metabolism

In a triglyceride that contains 54 carbon atoms, how many carbons can become part of glucose? ​

Correct AnswerverifiedShow Answer

What is acetaldehyde? ​

Correct AnswerverifiedShow Answer

What minimum concentration of blood alcohol leads to impaired judgment and increased heart rate? ​

Correct AnswerverifiedShow Answer

When energy-yielding nutrients are consumed in excess, which one(s) can lead to storage of fat? ​

Correct AnswerverifiedShow Answer

Identify each individual pathway in order that a molecule of glucose must go through in order to be completely oxidized, and identify how many ATP are derived from each step.

Correct AnswerverifiedInitially, glucose enters glycolysis. Fo...View AnswerShow Answer

An immediate consequence of a cellular deficiency of oxaloacetate is a slowing of ____. ​

Correct AnswerverifiedShow Answer

Correct AnswerverifiedShow Answer

How soon would death occur from starvation if the body was unable to shift to a state of ketosis? ​

Correct AnswerverifiedShow Answer

What is a coenzyme? ​

Correct AnswerverifiedShow Answer

Glycolysis is the conversion of ____. ​

Correct AnswerverifiedShow Answer

An aerobic reaction is one that requires ____. ​

Correct AnswerverifiedShow Answer

Explain how and where alcohol is metabolized in the body, beginning with absorption into the body and ending with the metabolites of alcohol metabolism.

Correct AnswerverifiedAlcohol is absorbed into the body in the...View AnswerShow Answer

Match the subcellular location with the processes indicated in the questions below.

How does excess carbohydrate intake contribute to obesity? ​

Correct AnswerverifiedShow Answer

Match each word or phrase with the most appropriate definition or explanation.

What is a characteristic of the metabolism of specific macronutrients?

Correct AnswerverifiedShow Answer

What process describes the sum of all chemical reactions that go on in living cells?

Correct AnswerverifiedShow Answer

How many acetyl CoA molecules can be obtained from oxidation of an 18-carbon fatty acid? ​

Correct AnswerverifiedShow Answer

Match each word or phrase with the most appropriate definition or explanation.

Which organ is the most metabolically active? ​

Correct AnswerverifiedShow Answer

In a triglyceride that contains 54 carbon atoms, how many carbons can become part of glucose?

Correct Answer
verified

What is acetaldehyde?

Correct Answer
verified

What minimum concentration of blood alcohol leads to impaired judgment and increased heart rate?

Correct Answer
verified

When energy-yielding nutrients are consumed in excess, which one(s) can lead to storage of fat?

Correct Answer
verified

Correct Answer
verified
Initially, glucose enters glycolysis. Fo...
View Answer

An immediate consequence of a cellular deficiency of oxaloacetate is a slowing of ____.

Correct Answer
verified

Correct Answer
verified

How soon would death occur from starvation if the body was unable to shift to a state of ketosis?

Correct Answer
verified

What is a coenzyme?

Correct Answer
verified

Glycolysis is the conversion of ____.

Correct Answer
verified

An aerobic reaction is one that requires ____.

Correct Answer
verified

Correct Answer
verified
Alcohol is absorbed into the body in the...
View Answer

How does excess carbohydrate intake contribute to obesity?

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

How many acetyl CoA molecules can be obtained from oxidation of an 18-carbon fatty acid?

Correct Answer
verified

Which organ is the most metabolically active?

Correct Answer
verified