,Cholesterol, though it is not an energy molecule, has importance in the body
because it _______.
A. helps provide essential nutrients to the brain and lungs
B. helps mobilize fats during periods of starvation
C. is a stabilizing component of the plasma membranes and is the parent
molecule of steroid hormones
D. enters the glycolytic pathway without being altered. - CORRECT
ANSWER - C. is a stabilizing component of the plasma membranes and is
the parent molecule of steroid hormones
Many factors influence BMR. What is the most critical factor?
A. the way skeletal muscles break down glycogen
B. the ratio of surface area to volume (weight) of the body
C. the way an individual metabolizes fat
D. an individual's body weight - CORRECT ANSWER - B. the ratio of surface
area to volume (weight) of the body
What is BMR? - CORRECT ANSWER - basal metabolic rate; rate at which
the resting body breaks down food & releases heat along with the energy needed
to perform basic activities
Oxidation reduction reactions _______.
A. may involve the loss of hydrogen and electrons
B. are rarely coupled together
C. utilize hydrogenases
D. occur via the gain of hydrogen or the loss of oxygen - CORRECT
ANSWER - A. may involve the loss of hydrogen and electrons
,Select the correct statement about proteins.
A. Proteins will be used by most cells for ATP synthesis if insufficient
carbohydrates are ingested
B. Strict vegetarians need not worry about adequate protein intake, as most
vegetables are perfect sources of amino acids
C. Catabolic steroids (hormones) accelerate the rate of protein synthesis
D. Proteins can be synthesized in the body if most of the amino acids are
present - CORRECT ANSWER - A. proteins will be used by most cells for
ATP synthesis if insufficient carbohydrates are ingested.
Gluconeogensis is the process in which _______.
A. glycogen is formed
B. glucose is converted into carbon dioxide and water.
C. glucose is formed from noncarbohydrate precursors.
D. glycogen is broken down to release glucose. - CORRECT ANSWER - C.
Glucose is formed from noncarbohydrate precursors
Which of the following mechanisms produces the most ATP during cellular
respiration?
A. oxidation reactions
B. substrate-level phosphorylation
C. lactic acid production
D. oxidative phosphorylation - CORRECT ANSWER - D. oxidative
phosphorylation
Which of the choices below describes the pathway of cellular respiration (the
complete oxidation of glucose)?
A. glycogenesis, lipogenesis, electron transport chain
B. lipolysis, glycogenesis, beta oxidation
C. glycolysis, Krebs cycle, electron transport chain, oxidative phosphorylation
, D. glucogenesis, Krebs cycle, lipolysis - CORRECT ANSWER -
What is the most important outcome of the Krebs cycle? - CORRECT
ANSWER - formation of NADH and FADH2
Glycolysis is best defined as a catabolic reaction based upon the _____.
A. conversion of glucose into carbon dioxide and water
B. conversion of glucose into two molecules of pyruvic acid
C. formation of sugar
D. conversion of pyruvic acid into carbon dioxide and water - CORRECT
ANSWER - B. conversion of glucose into two molecules of pyruvic acid
In gluconeogenesis, during the postabsorptive state, amino acids and _____ are
converted to glucose.
A. Acetyl CoA
B. glycerol
C. glucagon
D. glycogen - CORRECT ANSWER - B. glycerol
Which of the following does NOT occur in the mitochondria?
A. glycolysis
B. Krebs Cycle
C. electron transport
D. formation of malic acid - CORRECT ANSWER - A. glycolysis
The primary function of cellular respiration is to _____.
A. provide the body with adequate amounts of vitamins and minerals
B. efficiently monitor the energy needs of the body
C. determine the amount of heat needed by the human body
because it _______.
A. helps provide essential nutrients to the brain and lungs
B. helps mobilize fats during periods of starvation
C. is a stabilizing component of the plasma membranes and is the parent
molecule of steroid hormones
D. enters the glycolytic pathway without being altered. - CORRECT
ANSWER - C. is a stabilizing component of the plasma membranes and is
the parent molecule of steroid hormones
Many factors influence BMR. What is the most critical factor?
A. the way skeletal muscles break down glycogen
B. the ratio of surface area to volume (weight) of the body
C. the way an individual metabolizes fat
D. an individual's body weight - CORRECT ANSWER - B. the ratio of surface
area to volume (weight) of the body
What is BMR? - CORRECT ANSWER - basal metabolic rate; rate at which
the resting body breaks down food & releases heat along with the energy needed
to perform basic activities
Oxidation reduction reactions _______.
A. may involve the loss of hydrogen and electrons
B. are rarely coupled together
C. utilize hydrogenases
D. occur via the gain of hydrogen or the loss of oxygen - CORRECT
ANSWER - A. may involve the loss of hydrogen and electrons
,Select the correct statement about proteins.
A. Proteins will be used by most cells for ATP synthesis if insufficient
carbohydrates are ingested
B. Strict vegetarians need not worry about adequate protein intake, as most
vegetables are perfect sources of amino acids
C. Catabolic steroids (hormones) accelerate the rate of protein synthesis
D. Proteins can be synthesized in the body if most of the amino acids are
present - CORRECT ANSWER - A. proteins will be used by most cells for
ATP synthesis if insufficient carbohydrates are ingested.
Gluconeogensis is the process in which _______.
A. glycogen is formed
B. glucose is converted into carbon dioxide and water.
C. glucose is formed from noncarbohydrate precursors.
D. glycogen is broken down to release glucose. - CORRECT ANSWER - C.
Glucose is formed from noncarbohydrate precursors
Which of the following mechanisms produces the most ATP during cellular
respiration?
A. oxidation reactions
B. substrate-level phosphorylation
C. lactic acid production
D. oxidative phosphorylation - CORRECT ANSWER - D. oxidative
phosphorylation
Which of the choices below describes the pathway of cellular respiration (the
complete oxidation of glucose)?
A. glycogenesis, lipogenesis, electron transport chain
B. lipolysis, glycogenesis, beta oxidation
C. glycolysis, Krebs cycle, electron transport chain, oxidative phosphorylation
, D. glucogenesis, Krebs cycle, lipolysis - CORRECT ANSWER -
What is the most important outcome of the Krebs cycle? - CORRECT
ANSWER - formation of NADH and FADH2
Glycolysis is best defined as a catabolic reaction based upon the _____.
A. conversion of glucose into carbon dioxide and water
B. conversion of glucose into two molecules of pyruvic acid
C. formation of sugar
D. conversion of pyruvic acid into carbon dioxide and water - CORRECT
ANSWER - B. conversion of glucose into two molecules of pyruvic acid
In gluconeogenesis, during the postabsorptive state, amino acids and _____ are
converted to glucose.
A. Acetyl CoA
B. glycerol
C. glucagon
D. glycogen - CORRECT ANSWER - B. glycerol
Which of the following does NOT occur in the mitochondria?
A. glycolysis
B. Krebs Cycle
C. electron transport
D. formation of malic acid - CORRECT ANSWER - A. glycolysis
The primary function of cellular respiration is to _____.
A. provide the body with adequate amounts of vitamins and minerals
B. efficiently monitor the energy needs of the body
C. determine the amount of heat needed by the human body
