Question 1

Which of the following statements about the citric acid cycle is false?

Accepted Answer

A)  The process occurs in the mitochondria.
B)  The major end product of the cycle is lactic acid.
C)  At several steps,NADH molecules are formed.
D)  Carbon dioxide is produced at several steps in the cycle.
E)  Two ATP are formed in the cycle from one glucose.F) C) and E)
G) B) and E)

Question 2

The chemical formation of ATP is coupled to a diffusion force in __________.

Accepted Answer

The answer of The chemical formation of ATP is coupled...

Question 3

Each complex in the electron transport chain collectively acts as a _____ pump that removes H+ from the mitochondrial matrix and pumps it into the space between the inner and outer mitochondrial membranes.

Accepted Answer

A)  proton
B)  electron
C)  neutron
D)  sodium-potassium
E)  calciumF) None of the above
G) All of the above

Question 4

Fat soluble vitamins can be toxic in large doses because they

Accepted Answer

A)  do not dissolve in water.
B)  can be stored and accumulate in body tissues.
C)  are rapidly excreted.
D)  release free radicals.
E)  are flushed out of the body.F) D) and E)
G) A) and B) B

Question 5

Match the function or term with the appropriate organic molecule.
-actin & myosin

Accepted Answer

A)  carbohydrates
B)  lipids
C)  proteins
D)  nucleic acidsE) A) and B)
F) A) and C)

Question 6

In glycolysis,

Accepted Answer

A)  NAD+ is reduced to form NADH.
B)  more energy is used than produced.
C)  glucose is formed as an end product.
D)  glyceraldehyde-3-phosphate is used as an enzyme.
E)  oxygen must be present for it to start.F) C) and D)
G) All of the above A

Question 7

If air temperature is higher than skin temperature,_______ becomes a means of heat loss through evaporation.

Accepted Answer

A)  sweating
B)  shivering
C)  fever
D)  chills
E)  vasoconstrictionF) B) and E)
G) A) and D)

Question 8

With uncontrolled diabetes mellitus,the increased lipid metabolism will cause an increase in ______ formation.

Accepted Answer

A)  ketone bodies
B)  carbohydrates
C)  fatty acids
D)  oxygen
E)  ATPF) C) and D)
G) None of the above

Question 9

When is NAD+ reduced to form NADH in glycolysis?

Accepted Answer

A)  After cleavage of sugar
B)  First step of the process
C)  Right before the cleavage step
D)  Right before conversion to pyruvic acidE) C) and D)
F) A) and B)

Question 10

The mitochondrion is the site of

Accepted Answer

A)  glycolysis.
B)  the citric acid cycle.
C)  anaerobic respiration.
D)  lactic acid formation.
E)  the citric acid cycle and the electron-transport chain.F) C) and E)
G) All of the above

Question 11

Match the function or term with the appropriate organic molecule.
-steroids

Accepted Answer

A)  carbohydrates
B)  lipids
C)  proteins
D)  nucleic acidsE) B) and C)
F) B) and D)

Question 12

How many ATP are made from each FADH2 that transfers electrons to the electron transport chain?

Accepted Answer

A)  1
B)  2
C)  3
D)  4E) B) and D)
F) None of the above

Question 13

The energy currency of the cell is a molecule called

Accepted Answer

A)  glucose.
B)  pyruvate.
C)  fat.
D)  ADP.
E)  ATP.F) A) and C)
G) A) and B)

Question 14

Match the vitamin with its associated disease.
-thiamin

Accepted Answer

A)  scurvy
B)  night blindness
C)  beriberi
D)  pellagra
E)  pernicious anemiaF) D) and E)
G) A) and C)

Question 15

A kilocalorie (kcal) is a measure of the

Accepted Answer

A)  protein content of food.
B)  acidity of food.
C)  fat content of food.
D)  energy content of food.
E)  heat content of food.F) C) and D)
G) A) and B)

Question 16

Transamination

Accepted Answer

A)  results in free fatty acids.
B)  requires glucose.
C)  can be used to synthesize essential amino acids.
D)  involves removing an amine group from an amino acid.
E)  directly produces urea.F) B) and C)
G) A) and D)

Question 17

Match the function or term with the appropriate organic molecule.
-antibodies

Accepted Answer

A)  carbohydrates
B)  lipids
C)  proteins
D)  nucleic acidsE) B) and C)
F) All of the above

Question 18

When glucose enters a cell,it is phosphorylated to form __________.

Accepted Answer

The answer of When glucose enters a cell,it is phosphorylated...

Question 19

Which of the following vitamins is mismatched with its function?

Accepted Answer

A)  vitamin D - bone growth
B)  vitamin A - rhodopsin synthesis
C)  folate - synthesis of clotting factors
D)  vitamin C - collagen synthesis
E)  vitamin B12 - red blood cell productionF) A) and E)
G) None of the above C

Question 20

Excess triglycerides are stored in adipose tissue.Adipose tissue functions

Accepted Answer

A)  to assist the body in temperature homeostasis.
B)  pads and protects.
C)  energy storage.
D)  insulates.
E)  All of these choices are correct.F) D) and E)
G) B) and E)

Exam 25: Nutrition,metabolism,and Temperature Regulation

Which of the following statements about the citric acid cycle is false?

Correct AnswerverifiedShow Answer

The chemical formation of ATP is coupled to a diffusion force in __________.

Correct AnswerverifiedShow Answer

Each complex in the electron transport chain collectively acts as a _____ pump that removes H+ from the mitochondrial matrix and pumps it into the space between the inner and outer mitochondrial membranes.

Correct AnswerverifiedShow Answer

Fat soluble vitamins can be toxic in large doses because they

Correct AnswerverifiedB

Match the function or term with the appropriate organic molecule. -actin & myosin

Correct AnswerverifiedShow Answer

In glycolysis,

Correct AnswerverifiedA

If air temperature is higher than skin temperature,_______ becomes a means of heat loss through evaporation.

Correct AnswerverifiedShow Answer

With uncontrolled diabetes mellitus,the increased lipid metabolism will cause an increase in ______ formation.

Correct AnswerverifiedShow Answer

When is NAD+ reduced to form NADH in glycolysis?

Correct AnswerverifiedShow Answer

The mitochondrion is the site of

Correct AnswerverifiedShow Answer

Match the function or term with the appropriate organic molecule. -steroids

Correct AnswerverifiedShow Answer

How many ATP are made from each FADH2 that transfers electrons to the electron transport chain?

Correct AnswerverifiedShow Answer

The energy currency of the cell is a molecule called

Correct AnswerverifiedShow Answer

Match the vitamin with its associated disease. -thiamin

Correct AnswerverifiedShow Answer

A kilocalorie (kcal) is a measure of the

Correct AnswerverifiedShow Answer

Transamination

Correct AnswerverifiedShow Answer

Match the function or term with the appropriate organic molecule. -antibodies

Correct AnswerverifiedShow Answer

When glucose enters a cell,it is phosphorylated to form __________.

Correct AnswerverifiedShow Answer

Which of the following vitamins is mismatched with its function?

Correct AnswerverifiedC

Excess triglycerides are stored in adipose tissue.Adipose tissue functions

Correct AnswerverifiedShow Answer

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B

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A

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How many ATP are made from each FADH₂ that transfers electrons to the electron transport chain?

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C

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